Parameters
Category Parameter Specification for M2SS2-42R-10
General Product Type Modular, Illuminated Mushroom Push Button (Operator)
Series M2S (System M2S)
Assembly Type Front Operator Module with Integrated Indicator
Mechanical Design Actuator Type Mushroom Head, 42mm Square
Actuator Color Red (R)
Front Bezel Material Stainless Steel AISI 316/316L
Actuator Material Thermoplastic (e.g., Polyamide PA)
Indicator Diameter 10 mm (Central, behind actuator)
Electrical (Illumination) Light Source LED (standard for modern versions) or Incandescent
Voltage for Light Requires separate LED module (e.g., 24V DC, 110V AC). Not included with operator.
Lens Transparent/Translucent Red Polycarbonate
Operational Action Type Momentary (push-to-actuate) or Latching – Defined by the contact block used.
Mechanical Life > 1 million operations
Operating Force Approx. 20 - 40 N (typical for mushroom head)
Environmental & Certifications Protection Degree (IP) IP66 / IP67 (when assembled with seal and approved enclosure)
Hazardous Area Certification ATEX/IECEx: Ex d IIC T6 Gb / Ex e IIC T6 Gb / Ex tb IIIC T80°C Db (as part of complete certified M2S assembly).
Corrosion Resistance Excellent (Stainless steel 316).
Operating Temperature -40°C to +70°C (ambient)
Impact Resistance (IK) IK08+
Compatibility & Assembly Required Components 1. M2S Contact Block (e.g., M2S-CB2B11 for 2NO+2NC, latching).
2. M2S LED Holder & LED Module (specific voltage).
3. M2S Sealing Ring.
4. M2S Certified Enclosure.
Panel Cut-out 42mm x 42mm square (standard).
Standards Compliance IEC/EN 60947-5-1, IEC 60529 (IP).
Hazardous Area: IEC/EN 60079-0, 60079-1, 60079-7, 60079-31.
Certifications CE, cULus, ATEX, IECEx, DNV GL, etc.
The ABB M2SS2-42R-10 is a robust, modular illuminated push button operator from ABB's flagship M2S (System M2S) series of industrial control devices. It is designed as a high-visibility, combined control and signaling unit for harsh and hazardous industrial environments. The product code specifies a 42mm square, red illuminated push button with an integrated 10mm diameter indicator light.