Silent Knight PSM800M Power Supply/Battery Charger
Shop the Silent Knight PSM800M, a reliable 24VDC power supply and battery charger. Ideal for fire alarm systems, it offers dual 4.0 Amp outputs and a universal 120-240VAC input. Ensure your life safety system has consistent power with this essential module.
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Silent Knight PSM800M Power Supply/Battery Charger
The Silent Knight PSM800M is a robust and reliable power supply and battery charger module designed for use with fire alarm control panels and other critical life safety systems. It provides two regulated, power-limited 24VDC outputs, each capable of delivering 4.0 Amps, ensuring consistent and clean power for your devices. With its versatile AC input range of 120-240VAC, the PSM800M is adaptable to various electrical environments. The integrated 24V battery charger maintains backup power readiness, making it an essential component for ensuring uninterrupted system operation during power failures.
Technical Specifications:
- Model: PSM800M
- Part Number: 557 202 403
- AC Input: 120-240VAC, 50/60 Hz, 1.6 – 0.8 Amps RMS
- DC Outputs: Two (2) field-connectable outputs – Regulated 24VDC @ 4.0 Amps and Regulated (resettable) 24VDC @ 4.0 Amps
- Battery Charger: Integrated 24V battery charger
- Circuit Type: Power Limited Circuits

| Brand | Silent Knight |
|---|---|
| Model | PSM800M |
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Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
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