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Datasheet generated 2026-10-07
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Selector switch Modular

ABB · Control & Automation · Pushbuttons & Pilot Lights · Switzerland · abb.com
Part Number
M3SS3-40B-20  ·  HS 8536.50
Selector switch Modular

ABB M3SS3-40B-20 — The M3SS3-40B-20 Selector Switch is: 3-position - Momentary - Short handle - Black - Non-illuminated - Black Plastic - 2NO - 2 NO - 690 V. This Selector Switch is part of ABB's modular plastic range, the most versatile range with a high level of flexibility and market-leading electrical ratings. Engineered for total reliability, longer lifetime, and highest mechanical durability. Self-cleaning contacts ensure reliable operation without the need for maintenance, increasing uptime. A high degree of protection guarantees reliability in extreme environments. The innovative design simplifies the entire process, from selection to easy and quick, tool-free installation. The perfect solution for every application.

Technical Specifications

Manufacturer part number (MPN)M3SS3-40B-20
EAN / GTIN7320500296059
Sales unitpcs
Package quantity10 pcs
Product Net Width0.048 m
Product Net Height0.03 m
Product Net Depth / Length0.078 m
Ambient Air TemperatureOperation -25 ... +70 °C; Storage -40 ... +85 °C
ColorBlack
Bezel MaterialPlastic
IlluminationNon-illuminated
FunctionMaintained/Momentary
Sub-Function3-position
Maintained PositionsA, B
Spring Return FromC to B
Number of Auxiliary Contacts NO2
Enclosure Type NEMAType1; Type12; Type13; Type3R; Type4; Type4X
Pollution Degree3
Rated Insulation Voltage (U i )690 V
Rated Impulse Withstand Voltage (U imp )6 kV
Rated Frequency (f)50 / 60 Hz
Rated Operational VoltageMaximum 690 V
Rated Operational Current DC-13 (I e )(24 V) 5 A
Rated Operational Current AC-15 (I e )(230 V AC) 6 A; (120 V) 8 A; (220 / 240 V) 6 A
Power LossMaximum 5 W
Mechanical Durability0.5 million
Connecting CapacityFlexible with Ferrule 1 x 0.75...2.5 mm²; Flexible with Ferrule 2 x 0.75...2.5 mm²; Flexible with Insulated Ferrule 1 x 0.75...2.5 mm²; Flexible with Insulated Ferrule 2 x 0.75...2.5 mm²; Flexible 1 x 0.75 ... 2.5 mm²; Flexible 2 x 0.75 ... 2.5 mm²; Solid 1 x 0.75...2.5 mm²; Solid 2 x 0.75...2.5 mm²
Connection TypeScrew Clamp
Terminal TypeScrew Terminals
Tightening Torque0.9 N·m
Wire Stripping Length8 mm
Connecting Capacity UL/CSA1x 18...14 AWG; 2x 18...14 AWG
Degree of ProtectionFront IP66; Terminals IP20
CQC CertificateCQC2005010304154103; CQC2008010305274953
cULus Certificate9AKK107046A9925
Declaration of Conformity - CCC2020980305001528; 2020980305001106
Declaration of Conformity - CE2CMT2015-005452
Declaration of Conformity - UKCA2CMT2020-006121
DNV GL CertificateE-14107
Object Classification CodeS
ETIM 6EC000222 - Front element for selector switch
ETIM 7EC001029 - Selector switch, complete
eClassV11.0 : 27371243
UNSPSC39121500
E-Number (Norway)4372877
E-Number (Sweden)3716025

Properties

MOQ1

Cross-References

Attached Documents