ABB 1SFA Series, Pull Release, Emergency Stop Push Button Head 40 mm Diameter

This emergency stop push button head is a red mushroom-style actuator designed to provide a clear, immediate means of stopping machinery in industrial settings. It is intended for panel mounting into a 22mm cut-out and offers a pull-release action for reset. The unit is non-illuminated and constructed from plastic, suitable for installations where a ProMinent manual stop Interface is required.

• 40mm cap delivers a large target for Rapid manual activation
• Pull-release actuation enables positive manual reset after stop
• Dual ingress ratings allow flexible environmental placement
• Plastic construction reduces weight and simplifies handling
• Non-illuminated design removes the need for lamp wiring

• Suitable for control panels in factory automation systems
• Ideal for machinery stop functions on production lines
• Used with electrical enclosures requiring a 22mm entry
• Can be used for retrofit replacement of worn stop heads

It employs a pull-release reset, meaning the operator must physically pull the mushroom head to return the circuit to its ready state.

The head provides IP20 protection for general indoor control-panel zones and IP66 for sealed locations requiring resistance to dust and powerful water jets.

No, the unit is non-illuminated and does not contain an internal lamp or light source.

The actuator is moulded from plastic, which offers electrical isolation and reduced mass compared with metal alternatives.