Key Parameters
Parameter Specification
Model / Part Number M2SS4‑11L (ABB)
Catalog / Ordering Code 1SFA611203R1104
Product Type Modular Illuminated Selector Switch
Actuator Color Blue
Number of Positions 2 Positions (Maintained)
Handle Style Long handle (rotary)
Illumination Illuminated (LED ready, requires LED block)
Contact Blocks Not included (modular design)
Mounting Cut‑out 22 mm panel hole
Bezel Material Black plastic
Operator Function Maintained (latching)
Protection Degree (Front) High ingress protection (e.g., IP66/67/69K) typical for modular pilot devices
Mechanical Durability Designed for high mechanical reliability
Ambient Operating Temperature –25 °C to +70 °C typical
Storage Temperature –40 °C to +85 °C typical
Usage Manual selector for control logic, mode selection, and operator input
The ABB M2SS4‑11L is a modular illuminated selector switch designed for industrial control panels and automation systems. It features a 2‑position maintained long handle with a blue illuminated actuator that provides clear operator feedback. The switch is part of ABB’s modular plastic pilot device range, allowing flexible assembly with contact blocks and LED modules depending on the control circuit design. This selector switch is robust enough for harsh industrial environments and easy to install, offering reliable manual selection between two circuit states.