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MJS4-60B

The ABB MJS4-60B is a compact, modular selector switch from ABB's MJS (Compact MJS) series, designed for space-constrained industrial control panels requiring a simple and reliable mode selection. This specific model is a non-illuminated, two-position selector switch with a 60-degree throw angle and a black rotary knob, offering a cost-effective and durable solution for basic control functions.

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Parameters Category Parameter Specification for MJS4-60B General Product Type Modular, Non-Illuminated Selector Switch (Actuator) Series MJS (Compact MJS Series) Assembly Type Front Operator Module (Knob & Shaft) Mechanical Design Actuator Type Rotary Selector Knob Number of Positions 2 Positions Angle of Throw 60° between positions Knob Color Black (B) Knob Material Thermoplastic (e.g., PA) Shaft Material Metal Panel Cut-out 22 mm diameter (Standard) Operational Action Type Maintained (stays in selected position) Detent Mechanism Spring-loaded ball detent for positive positioning. Operating Torque Approx. 0.5 - 1.0 Nm Mechanical Life > 50,000 cycles Electrical Electrical Circuitry None in actuator. Defined 100% by the MJS Contact Block. Environmental Protection Degree (IP) Typically IP40 (front). Can achieve IP54/IP65 with optional sealing kit and correct mounting. Operating Temperature -25°C to +70°C Ambient Humidity ≤ 85% RH (non-condensing) Compatibility & Assembly Required Components 1. MJS Series Contact Block (e.g., MJS-CB2A10 for a 2-position, 1 changeover circuit). 2. Mounting Clamp. 3. Optional Sealing Ring for higher IP rating. Contact Block Compatibility Must use an MJS series block with a shaft matching the actuator's 60° throw. Standards & Approvals Compliance Standards IEC/EN 60947-5-1 Certifications CE, cULus