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- Online UPS TU5000
- Mobile Power System
- TN280 Modular Inverter System
- STM250 Modular Inverter System
- TW5000 Standalone Inverter
- Inverter /Charger Combination
- Pure Sine Wave Inverter
- Modular Inverter System
- Standalone Inverter
- Offgrid Solar/Backup System
- Telecom Pure Sine Wave Inverter
- TP600 Standalone Inverter
- Charger /Inverter Combination
- Shore Power Kits
- Pure Sine Wave Inverter
- Battery Charger
- Online UPS TU5000
- Mobile Power System
- TN280 Modular Inverter System
- STM250 Modular Inverter System
- TW5000 Standalone Inverter
- Inverter /Charger Combination
- Pure Sine Wave Inverter
- Modular Inverter System
- Standalone Inverter
- Offgrid Solar/Backup System
- Telecom Pure Sine Wave Inverter
- TP600 Standalone Inverter
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STM250 Modular Inverter System
The STM250 series is an integrated power system, which includes the function of inverter, monitor, and relay switch.
It is a truly redundant modular inverter which can be composed into an N+1 redundancy system. This function is totally self-determined without the need of an additional controller. In case of a faulty master, a new master will be automatically selected and the loads are uninterrupted.
Single modules are hot plug design which make the maintenance an easy job without interruption to your critical load. It makes the system power expansion possible and convenient.
The STM250 series offers a very flexible platform to design compact DC/AC or AC/AC power supply solutions. It is available for use with DC input voltages of 48VDC, 110VDC, 220VDC and 240VDC. The output is available for 230VAC, 220VAC, 240VAC, 110VAC and 120VAC.
STM250 Sub-rack System will be Composed of the Following Parts
1. TMK3-19 3U sub-rack
2. TM252: Inverter module
3. TM250A: Monitor and switch module
Technical Specifications of the STM250 Inverter Module System
Electrical |
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| Safety and Environment |
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Model | TM251, TM252 |
| Operating Temp. | -10C - 50C | |
DC Input |
| Storage Temp. | -40C - 85C | ||
Nominal Voltage | 48VDC, 110VDC, 220VDC, 240VDC |
| Isolation | AC - DC: 2000Vrms | |
Operating Range | .-18% - +25% |
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| DC - ground: 2000Vrms | |
AC Output |
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| AC ground: 2000Vrms | ||
Output Power | 1KVA, 1.5KVA |
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Wave Form | Pure sine wave |
| Display |
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Power Factor | 0.8 |
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Nominal Output | 110/120VAC, 220/230/240VAC |
| LED Indicator | Running | |
Voltage Variation | Max 2% |
| Failure | ||
Output Frequency | 50/60Hz 0.1% |
| Load Percentage | ||
THD | <3% liner load |
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<5% non-liner load |
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Crest Factor | .3:1 |
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Efficiency | Max 90% |
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Overload | 150% 1min |
| Safety | EN60950-1 | |
125% 10mins |
| Emission | EN55022 | ||
Dynamic Response Time | < 20ms |
| Immunity | EN55022 | |
Monitor Module
Display |
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LCD | 4x16 character |
LED | Working status |
Alarm | LED, audible |
Communication Interface | RS485 or RS232 |
4 x Dry contact |
Relay Switch |
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Input | |
Voltage Range | :-25% - +20% |
Frequency Range | : 10% |
Output | |
Work Mode | AC priority or inverter priority |
Transfer Time | 5-8ms |
Mechanical |
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Model | Size | Weight |
Module | ||
TM251 | 2Ux3U | 4kgs |
TM252 | 2Ux3U | 4kgs |
TM250A | 2Ux3U | 3kgs |
Sub-rack | ||
TMK3-19" | 19" 3U | 7kgs |
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