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- DC UPS SystemDC UPS Systems Power Supply + Battery Charger in one single unit Our Smart DC UPS Systems have ethernet-based communications and control in every model and are suitable for standby and cyclic applications. Some of the load and battery monitorable parameters are: Mains fails – PSU fails Battery missing – Battery low Charge current control Monitoring and reporting of battery current and state of charge Low voltage disconnect operation Automatic battery test Battery temperature compensation Multi-stage Charging modes ( Boost – Absorption – Float – Recovery) 12V DC UPS 24V DC UPS 48V DC UPS 110V DC UPS
- AC/DC Power SuppliesAC/DC Power Supplies Single, Variable & Multioutput DC Output Voltages For All Types Of Applications HELIOS POWER SOLUTIONS comprehensive portfolio of AC/DC power supplies has been chosen strategically to meet the needs of applications across most major industries. High reliability, efficiency, flexibility and a wide variety of mechanical formats including PCB mount, open- frame, chassis mount, external and DIN rail are some characteristics of our complete Power Supplies Solutions. From low-cost commercial grade single output DC power supplies to high-grade multi-output AC/DC supplies, our extensive range will have a solution for you. Dear customer, please use the banner on the left side to filter our products by main features or keep browsing by categories. If using the left banner, we advise using just those fields that are relevant for your application; many conditions might incur in an unsuccessful search. For multioutput voltage applications higher than 100W, we recommend to mark configurable output voltage field or click on Multioutput AC/DC Power Supplies Category.
- DC/DC ConvertersDC/DC Converters From 0.5 Watt to 30000 Watts to Any DC to DC input/output configuration Helios is able to supply an extensive range of converters designed to meet the needs and criteria of your application. Typical application environments include railway, defence, transportation, heavy industry, industrial automation, power utilities, telecommunications, mining, marine and many others. For OEM solutions we offer a range of Single and Dual in Line Package (SIP/DIP) models, with semi-regulated and fully regulated units to high power PCB mount modules. To complement this we also offer chassis mount, DIN mount and rack mount converters to build our comprehensive range. For rail applications our ruggedized DC/DC converters are designed to meet EN50155. Helios’ DC systems can be customised to suit any application with options including IP-rated and portable solutions, labelling, special terminations/connections, remote monitoring and control, N+X redundancy level, mounting and form factor, status signals and control, voltage adjustment (knob/pot), special input and multioutput options, and conformal coating. Dear customer, please use the banner on the left side to filter our DC/DC Converters by main features or keep browsing by categories. If using the left banner, we advise using just those fields that are relevant for your application; many…
- DC/AC InvertersDC/AC Inverters Sine Wave Inverters For Industrial And Telecommunication Applications Dear customer, please use the banner on the left side to filter our products by main features or keep browsing by categories. If using the left banner, we advise using just those fields that are relevant for your application; many conditions might incur in an unsuccessful search. An Industrial DC/AC inverter needs to be high performance, but it is equally important that it is durable and reliable. Often there are a number of physical requirements for the inverter, be it limited space or environmental exposure. An Industrial DC/AC power inverter must meet the specific requirements of its use. We offer a wide range of high quality industrial pure sine wave power inverters, that can be used in a number of diverse applications. Our single & multiphase power inverter series can be designed to deliver any Input/output voltage and frequency combination complemented by a range of versatile mounting options to suit including rack-mountable units. With a tailored Helios Inverter solution built to your exacting specification’s and operational environment, you can be confident power will be delivered to the critical areas of your operation.
- Battery ChargersBattery Chargers When you need a battery charger that will deliver you need a HELIOS battery charger. For “CYCLIC” applications, our 3 Step battery chargers with Timer Boost control provide options for charging lead-acid batteries from 3AH and up to 1000AH capacity. Our battery-backed chargers offer separate outputs for Load and Battery charging with a range of alarms, monitoring and control protocols. Helios’ battery chargers for back-up industrial applications can be customised to suit your unique applications. We also manufacture Modular Chargers with Hot-Swappable capabilities plus a convenient serviceable 19in Rack mounting system. Dear customer, please use the banner on the left side to filter our Battery Chargers by main features or keep browsing by categories. If using the left banner, we advise using just those fields that are relevant for your application; many conditions might incur in an unsuccessful search. Do not hesitate to contact us to receive the best assistance from our Technical Sales Engineers.
- DC Power Distribution PanelsDC Power Distribution Panels Reduce Unnecessary Site Visits And Increase Quality Of Service To Your Customer What if you could do this without physically visiting the site? What if you could do this from the comfort of your office, from your laptop, from your smartphone? Our DC Power distribution panels offer this flexibility.One of the key advantages of wireless broadband – providing high-bandwidth internet access to remote customers – can also present challenges, especially when a remote site experiences a technical issue. This often necessitates a visit to the site by a technician to troubleshoot the problem. In some instances, the issue can be resolved simply by power cycling power to a troublesome device. Ethernet communication options, which allow users to remotely monitor DC power conditions at a site, and if needed, remotely power cycle the connected devices. Our Smart DC Distribution panels also allow you to disconnect non-critical devices in order to preserve battery life in the event of an AC mains failure. All this can be done manually via a desktop PC, laptop or smartphone, or can be preconfigured to occur automatically based on parameters you set. No additional software is required, just a standard web browser. And…
- Modular DC Power SystemsModular DC Power Systems Battery Charger Systems – Inverters – Battery Monitoring Solutions – Batteries With Helios Power Solutions the ability to customise is always an option, ensuring our products meet your every specification, in turn providing a robust reliable and proven solution. Some areas of customization include IP rating & Seismic rated, Special terminations/ connections, Remote monitoring & control, Distribution Rack 19″ and Load control & selectivity just to name a few. The products below are the main DC Systems integrated by Helios Power Solutions. Do not hesitate to contact us, our team of engineers are looking forward to assisting you.
- Hybrid DC Power SystemsHybrid DC Power Systems Hybrid DC Power Systems are made up of different power conversion components, AC & DC voltages levels and voltage conversion configurations. Check out below our most popular solutions for wireless communications sites, protection and control. Hybrid Power Series: 1U Power Shelf with integrated Intelligent ethernet controller, up to 1.4kW 48V and 24V DC power system with integrated 12V or 24V 700W DC Converter. Hybrid Ultra Series: 2U Power Shelf with integrated Intelligent ethernet controller, up to 3.5kW 48V and 24V DC power system with integrated 12V or 24V 700W DC Converter. Four or eight load outputs provide remote monitoring and management of connected loads, including the ability to power cycle or load shed. (Supports up to 30A breakers.) OPUS MVPS: Multi Voltage Power System consists of MHE rectifiers, DC to AC inverters, BPU static bypass switch, VIDI+ controllers, connections for mains and battery, and load distribution MCB. Offered in a 19″ 12U rack, the system delivers a maximum 4 kW DC power 24-220VDC and 3.6kVA AC power 200-240VAC. Sierra 25 -48/230: 2U rack modular UPS to secure AC & DC loads and charge the batteries. 4 modules can be integrated into 2U high shelves to provide…
- Programmable AC Power SupplyProgrammable AC Power Supply Single & Three Phase Programmable AC Power Source for Testing Equipment and R&D Applications Our range of programmable AC power sources are available from 600W up to 20kW. Depending on the series the input and output voltage can be either single phase or three phase. Single and Three Phase high performance AC Power sources are used in different applications such as AC Power simulation, manufacturing and process control, frequency & voltage conversion, IEC standard testing and R&D activities. All models support the following digital control interfaces: RS232 RS485 USB LAN (optional) GPIB (optional) Support both SCPI (Standard commands for Programmable Instruments) & MODBUS communication protocols Model Type Voltage Current Power SP-300 1Ph/1Ph 150VAC-300VAC 2.8A-46A 600W-5000W SPS-300 3Ph/1Ph 150VAC-600VAC 2.5A-165.6A 1.2kW-20kW SPST 3Ph/3Ph 150VAC-300VAC 2.8A-46A 1.8kW-15kW
- DC Electronic LoadsDC Electronic Loads High-density Programmable DC Electronic Loads This series of High-density Programmable DC Electronic Load provides three voltage ranges 200V/600V/1200V. Supports CV, CC, CR and CP these 4 basic operating modes, as well as CV+CC, CV+CR, CR+CC these 3 complex operating modes. Full protection including OCP, OPP, OTP, over-voltage and reverse alarm. Remote Monitoring & Control Support external control and monitor mode, the 0 to 10V input or output signal represent 0 to full range voltage or current. Provide OCP test, OPP test and Short circuit simulation to effectively solve the application demands for power and automated testing. Built-in RS232, RS485 and USB communication interfaces, LAN&GPIB communication card is optional. Two or more loads can be connected in master-slave parallel mode to provide more power or current capacity. This series DC load can be applied to battery discharge, DC charging station and power electronics and other electronics products.
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- Home
- Our Products
- DC UPS SystemDC UPS Systems Power Supply + Battery Charger in one single unit Our Smart DC UPS Systems have ethernet-based communications and control in every model and are suitable for standby and cyclic applications. Some of the load and battery monitorable parameters are: Mains fails – PSU fails Battery missing – Battery low Charge current control Monitoring and reporting of battery current and state of charge Low voltage disconnect operation Automatic battery test Battery temperature compensation Multi-stage Charging modes ( Boost – Absorption – Float – Recovery) 12V DC UPS 24V DC UPS 48V DC UPS 110V DC UPS
- AC/DC Power SuppliesAC/DC Power Supplies Single, Variable & Multioutput DC Output Voltages For All Types Of Applications HELIOS POWER SOLUTIONS comprehensive portfolio of AC/DC power supplies has been chosen strategically to meet the needs of applications across most major industries. High reliability, efficiency, flexibility and a wide variety of mechanical formats including PCB mount, open- frame, chassis mount, external and DIN rail are some characteristics of our complete Power Supplies Solutions. From low-cost commercial grade single output DC power supplies to high-grade multi-output AC/DC supplies, our extensive range will have a solution for you. Dear customer, please use the banner on the left side to filter our products by main features or keep browsing by categories. If using the left banner, we advise using just those fields that are relevant for your application; many conditions might incur in an unsuccessful search. For multioutput voltage applications higher than 100W, we recommend to mark configurable output voltage field or click on Multioutput AC/DC Power Supplies Category.
- DC/DC ConvertersDC/DC Converters From 0.5 Watt to 30000 Watts to Any DC to DC input/output configuration Helios is able to supply an extensive range of converters designed to meet the needs and criteria of your application. Typical application environments include railway, defence, transportation, heavy industry, industrial automation, power utilities, telecommunications, mining, marine and many others. For OEM solutions we offer a range of Single and Dual in Line Package (SIP/DIP) models, with semi-regulated and fully regulated units to high power PCB mount modules. To complement this we also offer chassis mount, DIN mount and rack mount converters to build our comprehensive range. For rail applications our ruggedized DC/DC converters are designed to meet EN50155. Helios’ DC systems can be customised to suit any application with options including IP-rated and portable solutions, labelling, special terminations/connections, remote monitoring and control, N+X redundancy level, mounting and form factor, status signals and control, voltage adjustment (knob/pot), special input and multioutput options, and conformal coating. Dear customer, please use the banner on the left side to filter our DC/DC Converters by main features or keep browsing by categories. If using the left banner, we advise using just those fields that are relevant for your application; many…
- DC/AC InvertersDC/AC Inverters Sine Wave Inverters For Industrial And Telecommunication Applications Dear customer, please use the banner on the left side to filter our products by main features or keep browsing by categories. If using the left banner, we advise using just those fields that are relevant for your application; many conditions might incur in an unsuccessful search. An Industrial DC/AC inverter needs to be high performance, but it is equally important that it is durable and reliable. Often there are a number of physical requirements for the inverter, be it limited space or environmental exposure. An Industrial DC/AC power inverter must meet the specific requirements of its use. We offer a wide range of high quality industrial pure sine wave power inverters, that can be used in a number of diverse applications. Our single & multiphase power inverter series can be designed to deliver any Input/output voltage and frequency combination complemented by a range of versatile mounting options to suit including rack-mountable units. With a tailored Helios Inverter solution built to your exacting specification’s and operational environment, you can be confident power will be delivered to the critical areas of your operation.
- Battery ChargersBattery Chargers When you need a battery charger that will deliver you need a HELIOS battery charger. For “CYCLIC” applications, our 3 Step battery chargers with Timer Boost control provide options for charging lead-acid batteries from 3AH and up to 1000AH capacity. Our battery-backed chargers offer separate outputs for Load and Battery charging with a range of alarms, monitoring and control protocols. Helios’ battery chargers for back-up industrial applications can be customised to suit your unique applications. We also manufacture Modular Chargers with Hot-Swappable capabilities plus a convenient serviceable 19in Rack mounting system. Dear customer, please use the banner on the left side to filter our Battery Chargers by main features or keep browsing by categories. If using the left banner, we advise using just those fields that are relevant for your application; many conditions might incur in an unsuccessful search. Do not hesitate to contact us to receive the best assistance from our Technical Sales Engineers.
- DC Power Distribution PanelsDC Power Distribution Panels Reduce Unnecessary Site Visits And Increase Quality Of Service To Your Customer What if you could do this without physically visiting the site? What if you could do this from the comfort of your office, from your laptop, from your smartphone? Our DC Power distribution panels offer this flexibility.One of the key advantages of wireless broadband – providing high-bandwidth internet access to remote customers – can also present challenges, especially when a remote site experiences a technical issue. This often necessitates a visit to the site by a technician to troubleshoot the problem. In some instances, the issue can be resolved simply by power cycling power to a troublesome device. Ethernet communication options, which allow users to remotely monitor DC power conditions at a site, and if needed, remotely power cycle the connected devices. Our Smart DC Distribution panels also allow you to disconnect non-critical devices in order to preserve battery life in the event of an AC mains failure. All this can be done manually via a desktop PC, laptop or smartphone, or can be preconfigured to occur automatically based on parameters you set. No additional software is required, just a standard web browser. And…
- Modular DC Power SystemsModular DC Power Systems Battery Charger Systems – Inverters – Battery Monitoring Solutions – Batteries With Helios Power Solutions the ability to customise is always an option, ensuring our products meet your every specification, in turn providing a robust reliable and proven solution. Some areas of customization include IP rating & Seismic rated, Special terminations/ connections, Remote monitoring & control, Distribution Rack 19″ and Load control & selectivity just to name a few. The products below are the main DC Systems integrated by Helios Power Solutions. Do not hesitate to contact us, our team of engineers are looking forward to assisting you.
- Hybrid DC Power SystemsHybrid DC Power Systems Hybrid DC Power Systems are made up of different power conversion components, AC & DC voltages levels and voltage conversion configurations. Check out below our most popular solutions for wireless communications sites, protection and control. Hybrid Power Series: 1U Power Shelf with integrated Intelligent ethernet controller, up to 1.4kW 48V and 24V DC power system with integrated 12V or 24V 700W DC Converter. Hybrid Ultra Series: 2U Power Shelf with integrated Intelligent ethernet controller, up to 3.5kW 48V and 24V DC power system with integrated 12V or 24V 700W DC Converter. Four or eight load outputs provide remote monitoring and management of connected loads, including the ability to power cycle or load shed. (Supports up to 30A breakers.) OPUS MVPS: Multi Voltage Power System consists of MHE rectifiers, DC to AC inverters, BPU static bypass switch, VIDI+ controllers, connections for mains and battery, and load distribution MCB. Offered in a 19″ 12U rack, the system delivers a maximum 4 kW DC power 24-220VDC and 3.6kVA AC power 200-240VAC. Sierra 25 -48/230: 2U rack modular UPS to secure AC & DC loads and charge the batteries. 4 modules can be integrated into 2U high shelves to provide…
- Programmable AC Power SupplyProgrammable AC Power Supply Single & Three Phase Programmable AC Power Source for Testing Equipment and R&D Applications Our range of programmable AC power sources are available from 600W up to 20kW. Depending on the series the input and output voltage can be either single phase or three phase. Single and Three Phase high performance AC Power sources are used in different applications such as AC Power simulation, manufacturing and process control, frequency & voltage conversion, IEC standard testing and R&D activities. All models support the following digital control interfaces: RS232 RS485 USB LAN (optional) GPIB (optional) Support both SCPI (Standard commands for Programmable Instruments) & MODBUS communication protocols Model Type Voltage Current Power SP-300 1Ph/1Ph 150VAC-300VAC 2.8A-46A 600W-5000W SPS-300 3Ph/1Ph 150VAC-600VAC 2.5A-165.6A 1.2kW-20kW SPST 3Ph/3Ph 150VAC-300VAC 2.8A-46A 1.8kW-15kW
- DC Electronic LoadsDC Electronic Loads High-density Programmable DC Electronic Loads This series of High-density Programmable DC Electronic Load provides three voltage ranges 200V/600V/1200V. Supports CV, CC, CR and CP these 4 basic operating modes, as well as CV+CC, CV+CR, CR+CC these 3 complex operating modes. Full protection including OCP, OPP, OTP, over-voltage and reverse alarm. Remote Monitoring & Control Support external control and monitor mode, the 0 to 10V input or output signal represent 0 to full range voltage or current. Provide OCP test, OPP test and Short circuit simulation to effectively solve the application demands for power and automated testing. Built-in RS232, RS485 and USB communication interfaces, LAN&GPIB communication card is optional. Two or more loads can be connected in master-slave parallel mode to provide more power or current capacity. This series DC load can be applied to battery discharge, DC charging station and power electronics and other electronics products.
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Product Information
- Battery detection – regular battery presence and battery circuit integrity checks
- Deep discharge protection for battery
- Battery circuit overload , short circuit protection and reverse polarity protection for battery
- Automatic temperature compensated output
- Low Voltage Disconnect
SKU: HPS-PS-DC-UPS-SR500i-SR750
SR500i – SR750i
DC UPS – No – Break ™ DC Uninterruptible Power Supply TECHNOLOGY
Helios Power Solutions proprietary No-Break ™ DC UPS Technology represents a truly unique, comprehensive approach to providing uninterruptible and secure DC power when you need it.The system maximises the integrity of standby battery installations whilst optimising the life and availability of the backup batteries.
The No – Break ™ DC UPS intelligent system provides a vastly improved solution over the traditional methods of float charger plus battery. The battery is accurately charged with independent current limit and you cannot overload the charger or overheat the battery.
The No – Break ™ DC UPS highly efficient system is the ideal solution for:
- Systems which require no transition from mains to battery backup
- Applications having standing load with back up standby battery installed
- Cost-effective management of your battery system investment
- Mission Critical systems from 100W to 750W and above.
Critical factors in the lifetime and capacity of (lead-acid) batteries
- Temperature compensation
- Controlled charge current
- Regular check up
- Deep discharge protection
Unique additional features of the No – Break ™ DC UPS system
Battery Detection: Monitors integrity of battery circuit hourly (battery missing, open fuse/electronic breaker)
Battery Condition Test (0ption): Indicative test of battery autonomy at predetermined intervals (automated battery condition check, ideal for remote sites).
Configurable Software
Adjustable Load
Communications Interface Port: (Options RS485 , RS232 , Ethernet)
SERIES TABLE
| Model | Output (V) | PSU Rated (A) | Charge Limit (A) *1 | Recomm. Load (A) |
| SR500i12 | 13.8 | 36 | 36 | 30 |
| SR500i24 | 27.6 | 18 | 18 | 13 |
| SR5000i30 | 34.5 | 14.5 | 14.5 | 10 |
| SR500i36 | 41.4 | 12 | 12 | 8 |
| SR500i48 | 55.2 | 9 | 9 | 6 |
| SR750i12 | 13.8 | 54 | 54 | 42 |
| SR750i24 | 27.6 | 27 | 27 | 19 |
| SR750i30 | 34.5 | 21 | 21 | 14 |
| SR750i36 | 41.4 | 18 | 18 | 12 |
| SR750i48 | 55.2 | 13.5 | 13.5 | 8.5 |
FAQ
- Why is Helios Power Solutions SR No-Break ; DC charger recommended by consultants for critical applications?
Our No-Break ™ DC chargers have been designed for industrial use and have over twenty years of proven reliable operations. In addition, the chargers have many outstanding features such as fault alarms, LED fault alarm codes, battery detection, low voltage disconnect circuitry, automatic battery condition testing, communication options and can be connected to the battery permanently due to the precise temperature-compensated voltage control.
- Why should we use a SR No-Break; as opposed to a normal float charger?
The No-Break ™ DC UPS has many features which a normal float charger does not, these including:
- Precise alarm indication for mains or DC faults
- Overcurrent protection on the battery circuit
- Battery presence checking
- Temperature-compensated charging
- Low voltage disconnect circuitry to prevent deep discharge of the battery
- Independent charge current limit
- Automatic battery condition testing
- Why don’t you use a boost charge on the SR No-Break unit?
Normally it is not necessary to have a boost on the No-Break ™ unit, as the power is on the system continuously and it is not that critical to restoring 100% of charge rapidly, as in the case of cyclic applications. A boost charge voltage may damage the equipment which is permanently connected to a standby system.
- Can I use the SR No-Break DC UPS without a battery?
No, the No-Break ™DC UPS is designed to operate with a battery connected and instability may result if there is no battery connected. If you wanted to do this then it is advisable to use a standard two-terminal DC power supply SR500L – SR750L
- Why is the battery negative separate from the load negative in the SR No-Break DC UPS?
This is done to implement two of the features of the No-Break ™ UPS/charger. There is an “electronic circuit breaker” fitted between the battery negative and load negative terminals to provide the battery overcurrent protection. The separate battery circuit also allows for independent control of the charging current when required.
- Can I connect the battery directly to the load terminals when using SR No-Break DC UPS?
No, it would nullify all the features of using the No-Break ™DC design and provide false alarm signals from the relays. If you wanted to do this, then it is advisable to use a standard two-terminal float charger, with or without alarms.
- When does the SR No-Break system disconnect to protect deep discharge of the battery?
At approximately 1.67 volts per 2V (nominal) cell, so for a 12V system the disconnect voltage is set at 10V.
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