Why Choose the ABB M3SS8-10B Three-Position Selector Switch?
The ABB M3SS8-10B is a durable and versatile three-position selector switch operator designed for reliable manual control of industrial machinery, electrical equipment and automation systems. As part of the ABB Modular Plastic pilot device range, it provides a practical operator interface for selecting machine functions, operating modes and control circuit conditions.
This non-illuminated selector switch features a black long-handle actuator and a matching black plastic bezel, offering a robust and professional appearance for industrial control panels. Its three-position operating mechanism combines maintained and momentary switching functions, with spring return from position A to position B and maintained operation in positions B and C.
Designed for installation in a standard 22 mm panel mounting hole, the M3SS8-10B provides a compact solution for industrial pushbutton stations, operator control panels and machine control interfaces. Its modular construction allows compatible ABB contact blocks and mounting accessories to be selected according to the electrical switching requirements of the application.
Key Advantages
- Reliable three-position selector switch operator for industrial control applications.
- Long black selector handle provides convenient manual operation.
- Spring return from position A to B enables momentary control functions.
- Maintained positions B and C support stable operating mode selection.
- 22 mm mounting diameter compatible with standard industrial control panel openings.
- Durable black plastic bezel provides a consistent appearance across control stations.
- Non-illuminated design suitable for straightforward machine control interfaces.
- Modular construction supports compatible ABB contact blocks and accessories.
- Designed for demanding industrial environments and frequent operator interaction.
- Suitable for control panels, machinery, automation systems and operator stations.
Key Features
- ABB Modular Plastic pilot device range.
- M3SS8-10B three-position selector switch operator.
- Three operating positions: A, B and C.
- Operating mechanism: Spring return from A to B.
- Maintained positions: B and C.
- Actuator type: Long rotary selector handle.
- Actuator colour: Black.
- Bezel material: Black plastic.
- Non-illuminated selector switch design.
- 22 mm standard panel mounting.
- Modular construction for use with compatible ABB contact blocks.
- Contact actuation determined by selector handle position.
- Suitable for industrial machinery and electrical control systems.
- Designed for integration into modular pilot device assemblies.
Technical Specifications
- Manufacturer: ABB
- Series: Modular Plastic Pilot Devices
- Model: M3SS8-10B
- ABB order code: 1SFA611217R1006
- Product type: Three-position selector switch operator
- Product group: Pilot Devices
- Selector switch type: Modular, non-illuminated
- Number of positions: 3
- Operating positions: A, B and C
- Switching function: Maintained / momentary
- Spring-return function: Position A to position B
- Maintained positions: B and C
- Actuator style: Long handle
- Actuator colour: Black
- Bezel colour: Black
- Bezel material: Plastic
- Illumination: Non-illuminated
- Mounting hole diameter: 22 mm
- Front protection rating: IP66
- NEMA protection rating: 4X
- Panel mounting thickness: 1.5–6 mm
- Approximate front dimensions: 43 × 30 mm
- Contact block arrangement: Modular, compatible contact blocks selected separately
- Mounting type: Panel mounting
- Net weight: Approximately 0.018 kg
- EAN / GTIN: 7320500301074
- Applicable standard: IEC/EN 60947-5-1
Reliable Three-Position Control for Industrial Machinery
Selector switches such as the ABB M3SS8-10B provide a convenient means of manually selecting operating modes and control functions in industrial electrical systems. The operator's three-position mechanism allows machinery and automation equipment to be controlled through a combination of maintained and momentary switching actions.
The M3SS8-10B features a specific operating sequence in which position A is momentary and returns automatically to position B when released. Positions B and C are maintained, allowing the operator to remain in the selected position without continuous manual pressure.
When compatible contact blocks are installed, the selector handle can actuate different control circuits according to its position. In a typical modular arrangement, the left contact block is actuated in position A, neither contact block is actuated in position B, and the right contact block is actuated in position C.
This combination of operating functions makes the selector suitable for applications requiring a momentary command alongside maintained mode selection. The long black handle provides a clear manual interface, while the standard 22 mm mounting format supports straightforward installation into industrial control panels and operator stations.
As a modular selector switch operator, the M3SS8-10B is intended for assembly with compatible ABB contact blocks and mounting components. The electrical contact ratings and final switching configuration depend on the contact blocks selected for the completed assembly.
Typical Applications
- Industrial machinery operating mode selection.
- Electrical control panels and operator stations.
- PLC-based automation and machine control systems.
- Manual and automatic control mode selection.
- Momentary command and maintained selection circuits.
- Industrial motor control and auxiliary control functions.
- Conveyor and material handling equipment.
- Manufacturing and production machinery.
- Packaging and processing equipment.
- Pump and ventilation control panels.
- Industrial process control interfaces.
- OEM machine building and modular control stations.
