Belimo BF230-C93 - spring-return actuator for fire dampers

Belimo BF230-C93 actuator

Spring-return actuator for 90° fire and smoke control dampers in ventilation and air-conditioning systems. When power is applied, it moves the damper to the operating position while tensioning the spring; when power is interrupted, the spring moves the damper to the safety position.

Key technical data

• Motor torque: 18 Nm; safety function torque: 12 Nm.
• Rated voltage: AC 230 V, 50/60 Hz; voltage range: AC 198...264 V.
• Control: Close/Open.
• Motor running time: <120 s / 90°; safety function running time: 16 s @ 20°C.
• Power consumption: 8 W while running and 3 W at rest; sizing power for cables: 12.5 VA.
• Auxiliary switches: 2x SPDT, switching points 5° / 80°.
• Power and control connection: 1 m cable, 2x 0.75 mm² (silicone); auxiliary switch connection: 1 m cable, 4x 0.75 mm² (silicone).
• Mechanical connection: 12x12 mm form-fit connection, non-through hollow shaft.
• Motor direction of movement selected by L/R mounting; manual adjustment with position stop.
• Degree of protection: IP54; IEC/EN protection class II, reinforced insulation.

Included: hand crank, indicator, protective cover and 12/10 mm form-fit insert. The actuator is adapted and mounted to the damper by the fire damper manufacturer.