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M2SS5-11R

The ABB M2SS5‑11R is a 22 mm modular selector switch operator designed for industrial control panels and automation systems. It features a maintained 2‑position action with a red rotary knob and is part of ABB’s modular pilot‑device range. The unit is supplied as the operator only (no contact blocks included), allowing flexible configuration with desired contact combinations for specific control functions.

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Technical Parameters Mechanical Positions: 2 maintained positions — switch stays in selected position until manually changed. Mounting: Standard 22 mm panel mounting. Operator Type: Modular selector — requires separate contact block(s). Mechanical Durability: Designed for a high number of operator cycles. Electrical (via Contact Blocks, Sold Separately) Contact Blocks Required: Must be selected and installed behind the operator to provide electrical switching. Contact Configuration Options: Determined by contact blocks chosen (NO, NC, combinations). Rated Insulation Voltage: Designed to meet typical low‑voltage control circuit requirements. Rated Operational Voltage & Current: Depends on the contact blocks used (typically suitable for pilot duty control circuits). Environmental Operating Temperature Range: Suitable for standard industrial ambient conditions. Storage Temperature Range: Extended range for safe transport and storage. Protection Ratings: Front Panel: High ingress protection when installed properly (resistant to dust and splash). Terminals: Basic protection at the terminals when enclosed. Physical Dimensions Operator Diameter: Approx. 29 mm. Overall Depth: Compact profile behind panel. Weight: Lightweight unit suitable for modular panel assemblies. Typical Applications Mode selection (e.g., On/Off, Auto/Manual) in control panels. Operator interface for machinery controls and automation systems. PLC or relay logic input selection. Flexible control functions when paired with appropriate contact blocks.