Why Choose the ABB M2SSK1-201 Key Selector Switch?
The ABB M2SSK1-201 is a 2-position maintained key-operated selector switch designed for controlled operator access in industrial machinery, automation systems and electrical control panels. Supplied under ABB order code 1SFA611280R2001, it forms part of ABB’s modular pilot device range and provides secure manual selection between two fixed operating positions.
The M2SSK1-201 features a black key-operated actuator with a chrome-plastic bezel and non-illuminated construction. Both positions are maintained, allowing the selected operating state to remain active until deliberately changed. The key can be removed in both positions, providing flexibility for applications where an authorised user needs to set and secure a machine or process state.
This version uses key code 455 and is supplied as a single selector-switch operator. ABB’s modular construction allows compatible contact blocks and holders to be selected separately according to the electrical switching requirements of the application, making the M2SSK1-201 suitable for machinery panels, operator stations and OEM automation equipment.
Key Advantages
- 2-position maintained key-operated selector switch for controlled industrial operation.
- Key removable in both positions for flexible access-control arrangements.
- Key code 455 provides a defined key configuration.
- Chrome-plastic bezel provides a clean and durable control-panel finish.
- Maintained operation keeps the selected state active until deliberately changed.
- Modular ABB construction allows compatible contact blocks to be selected according to the required control circuit.
Key Features
- ABB M2SSK1 modular key-operated selector switch.
- 2-position maintained operation.
- Key-operated actuator.
- Key removable in both positions.
- Key code 455.
- Black/key operator.
- Non-illuminated design.
- Chrome-plastic bezel.
- Supplied without a contact block.
- Package quantity of 1 piece.
- ABB order code 1SFA611280R2001.
Key-Controlled Selection for Industrial Automation
Key-operated selector switches provide an effective method of restricting changes to machine or process operating states to personnel holding the appropriate key. The ABB M2SSK1-201 combines two maintained positions with key removal in both positions, allowing the selected state to remain set after the operator removes the key.
The defined key code 455 makes the M2SSK1-201 suitable for applications where compatible keyed access is required across designated controls. ABB’s modular pilot device architecture allows suitable contact blocks and holders to be configured according to the required electrical control function, while the chrome-plastic bezel provides a professional panel-mounted finish.
Typical Applications
- Industrial machinery control panels.
- Restricted machine operating-mode selection.
- Authorised enable and disable functions.
- Maintenance and service mode selection.
- Factory automation systems.
- Process and motor control panels.
- Key-controlled machinery and operator stations.
- OEM equipment requiring controlled access to operating functions.
