Spring break device for hollow shafts without keyway

Article number 29950 (left version) 29951 (right version) now on stock

Unit: 1 piece

Weight: 0,680 kg

Material: Zinc plated steel, casted wheel

Description: Spring break device for residential garage doors. prevents the door from falling down in case of a spring failure. Suitable for 50 and 67mm spring plugs. For hollow shafts without key. Max. torque: 46 Nm/spring.

29950: Left version

29951: Right version

Application: Residential

Download installation manual here.