C-Tec BF375P 24V 250mA Door Release Power Supply Unit
PRODUCT FEATURES:
- A compact Mains derived power supply unit designed to provide power to 24V DC electromagnetic door retainers.
- Maximum output 250mA.
- Trigger Release, Hold Off and Local Trigger Inputs facilitate straightforward connection to fire alarm control panels, building management systems, timers, relays and other ancillary equipment.
- Includes a manual release button, a Mains On and an Output Triggered indicator.
- Can be mounted on a standard 25mm UK double gang flush or surface back box.
Technical Specifications:
| Application/operation |
A double gang Mains derived power supply providing 250mA @ 24V DC for powering up to 5 electromagnetic door retainers rated @ 50mA each. |
|---|---|
| Mains supply |
230V 50/60Hz. |
| Output |
250mA @ 21-28V DC. |
| Indicators |
Mains On; Output Triggered. |
| Controls |
Trigger Release: requires +5-27V DC @ 5mA ; Hold Off (failsafe): requires a constant +5-27V DC @ 5mA; Local Trigger: Triggers when taken to 0V; Manual release via red button on PSU fascia. |
| Connections |
Hold off; Trigger Release; Local Trigger; +V & 0V output. |
| Product dimensions (mm) |
147 W x 87 H x 39 D mm. |
| Construction & finish |
White PVC plate; Light grey label. |
| IP Rating |
IP40. |


Description
PRODUCT FEATURES:
- A compact Mains derived power supply unit designed to provide power to 24V DC electromagnetic door retainers.
- Maximum output 250mA.
- Trigger Release, Hold Off and Local Trigger Inputs facilitate straightforward connection to fire alarm control panels, building management systems, timers, relays and other ancillary equipment.
- Includes a manual release button, a Mains On and an Output Triggered indicator.
- Can be mounted on a standard 25mm UK double gang flush or surface back box.
Technical Specifications:
| Application/operation |
A double gang Mains derived power supply providing 250mA @ 24V DC for powering up to 5 electromagnetic door retainers rated @ 50mA each. |
|---|---|
| Mains supply |
230V 50/60Hz. |
| Output |
250mA @ 21-28V DC. |
| Indicators |
Mains On; Output Triggered. |
| Controls |
Trigger Release: requires +5-27V DC @ 5mA ; Hold Off (failsafe): requires a constant +5-27V DC @ 5mA; Local Trigger: Triggers when taken to 0V; Manual release via red button on PSU fascia. |
| Connections |
Hold off; Trigger Release; Local Trigger; +V & 0V output. |
| Product dimensions (mm) |
147 W x 87 H x 39 D mm. |
| Construction & finish |
White PVC plate; Light grey label. |
| IP Rating |
IP40. |











