PULS
24 V dc UPS for external battery 17-130 Ah. 10 A
UB10.242 is primarily intended for use where there are requirements for long back-up times with relatively low current. A complete DC-UPS system consists of a control unit and battery, and power supply with suitable power for the application. In the event of a power outage, the battery is automatically switched in and supplies the connected loads. The control unit requires just (1) 12 V battery that then transforms the battery voltage up to 22.3 V dc. Two batteries do not need to be matched with one another and the output voltage does not follow the battery's discharge curve but is instead constant at 22.3 V. The battery capacity is utilized 100 % compared with two batteries connected in series, where one of the batteries is not fully charged.
Two relay outputs indicate status; the module is ready (battery capacity >85 %) and the module is active (back-up mode). The control unit tests the battery's condition in cycles. When it is time to replace the battery, a relay output is activated (replace battery). The control unit has an integrated temperature sensor to optimize the final charging voltage. If the battery is placed at another location and the ambient temperature differs from the control unit, a compensation must be set, which is done using a switch on the front. To attain the longest lifetime for the battery, we recommend placing the battery in the coolest part of the cabinet.
The back-up time is dependent on the capacity and performance of the battery and the load current. On the data sheet, we show some times for different standard batteries. The control unit protects the battery from deep discharge. The control unit shuts off the back-up function when the battery voltage drops under a given value. There is also an input, Inhibit, for external shut-off of the back-up time.
In the event of a battery fuse fault, the “ready” output is deactivated and a red LED lights on the control unit. The output is current limited and turns itself off after about 5 seconds after a short circuit to spare the battery and at the same time, avoids tripping the battery fuse. In the event of a short circuit in the battery mode, the module supplies about 20 A, which helps trip any secondary fuses.
Monitoring of the battery fuse and current limitation in the event of short circuits provides increased reliability and guarantees that the UPS will function after a short circuit. The input is galvanically isolated from the output side.
Backup times
Discharge curve with 2 A load current | Discharge curve with 10 A load current |
- Load current 10 A
- Requires just one 12 V dc battery
- Battery charging with temperature compensation
- Electronic overload/short-circuit protection
- Relay outputs for status
Selected variant
DC UPS 24V dc I/P 24V dc 10A O/P 17-130Ah
Art:
Selected variant
Specifications
| Approvals | ABS, CB, CE, CSA, CSA US, EX, GL, IECEx, UL |
|---|---|
| Charging The Battery Type | 3 |
| Depth | 117 |
| Efficiency | 97.8 |
| Height | 124 |
| Input Current During Charging Of Aggregates | 2 |
| Input voltage for battery connection | 22.8 |
| Input Voltage From battery | 12 |
| Input Voltage From The Unit | 24 |
| IP Class | IP20 |
| Life span | 114 000 h @ 10 A, 40 °C |
| MTBF (IEC 61709) | 886 000 h @ 10 A, 40 °C |
| Output current at 24 V dc | 10 |
| Output Current During Normal Operation Via The Unit Max | 15 |
|---|---|
| Output current for battery operation max | 10 A (15 A @ 5 s) |
| Output Voltage at Battery | 22.25 |
| Output Voltage At Buffering | 22.25 |
| Output Voltage Normal Operation | 24 |
| Permitted Battery Sizes | 17-130 Ah |
| Ripple. max | 20 |
| Temperature Range Without Derating From | -25 |
| Temperature Range Without Derating To | 50 |
| Weight | 0.545 |
| Width | 49 |
| Voltage Level Of The Connection Of The Battery | 22.3 |
Product description
UB10.242 is primarily intended for use where there are requirements for long back-up times with relatively low current. A complete DC-UPS system consists of a control unit and battery, and power supply with suitable power for the application. In the event of a power outage, the battery is automatically switched in and supplies the connected loads. The control unit requires just (1) 12 V battery that then transforms the battery voltage up to 22.3 V dc. Two batteries do not need to be matched with one another and the output voltage does not follow the battery's discharge curve but is instead constant at 22.3 V. The battery capacity is utilized 100 % compared with two batteries connected in series, where one of the batteries is not fully charged.
Two relay outputs indicate status; the module is ready (battery capacity >85 %) and the module is active (back-up mode). The control unit tests the battery's condition in cycles. When it is time to replace the battery, a relay output is activated (replace battery). The control unit has an integrated temperature sensor to optimize the final charging voltage. If the battery is placed at another location and the ambient temperature differs from the control unit, a compensation must be set, which is done using a switch on the front. To attain the longest lifetime for the battery, we recommend placing the battery in the coolest part of the cabinet.
The back-up time is dependent on the capacity and performance of the battery and the load current. On the data sheet, we show some times for different standard batteries. The control unit protects the battery from deep discharge. The control unit shuts off the back-up function when the battery voltage drops under a given value. There is also an input, Inhibit, for external shut-off of the back-up time.
In the event of a battery fuse fault, the “ready” output is deactivated and a red LED lights on the control unit. The output is current limited and turns itself off after about 5 seconds after a short circuit to spare the battery and at the same time, avoids tripping the battery fuse. In the event of a short circuit in the battery mode, the module supplies about 20 A, which helps trip any secondary fuses.
Monitoring of the battery fuse and current limitation in the event of short circuits provides increased reliability and guarantees that the UPS will function after a short circuit. The input is galvanically isolated from the output side.
Backup times
Discharge curve with 2 A load current | Discharge curve with 10 A load current |
.png?as=1&iar=0&hash=32754F69BDE594727B35F2B8B9C1A3EC)
Wohner 60 Classic and Crossboard
Modular busbar systems that streamline power distribution, improve safety, and speed up panel builds.
Tekox Terminal Strips Safety Blocks and Porcelain Blocks
Great electrical installations don't fail because of the major components. They fail because of the small ones that didn't get enough attention.
It's easy to focus on the big-ticket items during specification — and let the terminal blocks become an afterthought. But inferior connection components have a habit of making themselves known over time. Loose connections, degraded insulation, premature failure. The kind of faults that are frustrating to trace and expensive to fix.
Tekox engineer their terminal strips, safety blocks, insulated strips, and porcelain blocks to the standards your installations deserve. Available now from Demesne Electrical — get in touch and we'll show you the range.
Conta-Clip Push-in PPVK Distribution Terminals
Conta-Clip PPVK push-in potential distribution terminals simplify control cabinet wiring with tool-free connections, compact DIN rail mounting, and reliable current distribution up to 41A.
.png?as=1&iar=0&hash=6DDD16B03C4B424998A14DE19FF641F1)
Electrical Protection in Energy Storage Systems (ESS): Keys to a Safe Installation
The PMX fuse holder range is compact, halogen-free, and manufactured in Europe for fast availability. Available in 10×38, 14×51, and 22×58 sizes with IEC, UL, and CSA approvals, they feature silver-plated contacts, IP20 touch-safe design, and optional blown fuse indicators — giving panel builders reliable, safe, and flexible protection.
Wayne Moody Joins OEM | Demesne Electrical
We’re excited to share some great news at Demesne Electrical. Wayne Moody has joined our team, bringing with him years of experience and a clear vision for the future. His focus will be on building on our strong reputation here in Ireland and driving our growth across Europe.
PMX Fuse Holder Range – Compact, Reliable, Built for Demanding Panels
The PMX fuse holder range is compact, halogen-free, and manufactured in Europe for fast availability. Available in 10×38, 14×51, and 22×58 sizes with IEC, UL, and CSA approvals, they feature silver-plated contacts, IP20 touch-safe design, and optional blown fuse indicators — giving panel builders reliable, safe, and flexible protection.
