24V 2A Unregulated Door Release PSU Part No. BF377
- A boxed door release power supply unit designed to provide DC power to 24V DC electromagnetic door retainers.
- Can be controlled automatically from a fire alarm control panel or manual release keyswitch.
- 2A max. output.
- Includes Mains On and Output Triggered indicators
- No battery back up facility.
- Download datasheet
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| Application/operation | A boxed unregulated DC power supply providing 2A @ 24V to control multiple electromagnetic door retainers. Max. magnets 20 @ 100mA or 26 @ 75mA. |
| Mains supply | 230V 50/60Hz. |
| Output | 2A @ 22-29V DC. |
| Quiescent current | 300mA max. |
| Indicators | Mains On; Output Triggered. |
| Connections | SW1 input (auto release from a fire panel): requires +18-30V DC @ 30mA to trigger; SW2 input (manual release): switches power off when shorted. |
| Product dimensions (mm) | 330 W x 270 H x 92 D mm. |
| Construction & finish | Metal lid with grey and white label; Metal base. |
| IP Rating | IP30. |
| Weight | 4kg. |
| Operating conditions/temperature | -10ºC to +40ºC. Max relative humidity: 95%. |
