1SFA611204R2104 ABB M2SS5-21L Illuminated 2-Position Maintained Selector Switch

1SFA611204R2104 ABB M2SS5-21L Illuminated 2-Position Maintained Selector Switch

ABB M2SS5-21L is a blue illuminated 2-position maintained A/C selector switch with a long rotary handle, chrome plastic bezel and IP66 front protection for 22 mm industrial control-panel applications.

SKU: 1SFA611204R2104Alt SKU: M2SS5-21LMPN: 1SFA611204R2104
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Why Choose the ABB M2SS5-21L Selector Switch?

The ABB M2SS5-21L is a robust 2-position illuminated selector switch designed for operator control and visual signalling in industrial machinery, electrical control panels and automation systems. Part of the ABB Modular Plastic pilot device range, it features a blue long-handle rotary actuator with a chrome plastic bezel for a clear and professional operator interface.

The M2SS5-21L provides maintained A/C selector operation, allowing the selected position to remain active until the operator deliberately changes it. Its long rotary handle provides positive manual selection, while the blue illuminated design enables clear visual indication of machine states, operating modes and control functions.

Designed for standard 22 mm pilot-device mounting, the M2SS5-21L integrates easily into industrial control panels and machinery. Its IP66 front protection and NEMA 4X rating support dependable operation in demanding environments, while ABB's modular construction allows compatible holders, contact blocks and LED blocks to be selected according to the application.

Key Advantages

  • Industrial 2-position illuminated selector switch for machinery and automation control.
  • Maintained A/C operation retains the selected position until manually changed.
  • Highly visible blue long-handle rotary actuator.
  • Professional chrome plastic bezel for industrial control panels.
  • Standard 22 mm mounting format simplifies panel integration.
  • IP66 front protection and NEMA 4X rating for demanding industrial environments.

Key Features

  • ABB Modular Plastic pilot device range.
  • 2-position selector switch.
  • Maintained operating action.
  • A and C maintained positions.
  • Long-handle rotary actuator.
  • Blue illuminated operator.
  • Chrome plastic bezel.
  • IP66 front protection rating.
  • NEMA 4X rating.
  • Holder, contact blocks and LED block are selected separately.

Reliable Illuminated Control for Industrial Machinery

Maintained selector switches are used where an operator needs to select a machine state, operating mode or process function and have that selection remain active without continuously holding the actuator. The ABB M2SS5-21L provides this functionality through two maintained A/C positions and a long rotary handle that gives operators a clear and intuitive indication of the selected state.

The blue illuminated operator adds visual signalling capability, while ABB's modular pilot-device architecture allows compatible holders, contact blocks and LED blocks to be configured according to the requirements of the control circuit. This makes the M2SS5-21L suitable for new machinery, OEM control panels and compatible ABB pilot-device installations.

Typical Applications

  • Industrial machinery control panels.
  • Machine operating-mode selection.
  • Factory automation systems.
  • Process control equipment.
  • Production and assembly machinery.
  • Conveying and material handling systems.
  • OEM electrical and automation panels.

Technical Specifications

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Illumination Illuminated
Device Type Selector Switch
Product Series ABB Modular
Mounting Diameter 22 mm
Colour Blue
Operation 2 positions – maintained
Series Modular Plastic Pilot Devices
ABB order code 1SFA611204R2104
Product group 312001 - Pilot Devices (Secrl)
Product type Illuminated selector switch
Number of positions 2
Maintained positions A, C
Switching action Maintained / latching
Spring return No
Actuator type Long rotary handle
Actuator colour Blue
Illumination Illuminated
Indicator colour Blue
Bezel material Plastic
Bezel colour Chrome
Mounting hole diameter 22 mm
Front protection rating IP66
NEMA rating 4X
Operating temperature -25–70 °C
Storage temperature -40–85 °C
Dimensions (H × W × D) 30 × 48 × 50 mm
Weight approx. 0.021 kg
Contact blocks Not included
LED block Not included

Frequently Asked Questions

What is the ABB M2SS5-21L used for?

The M2SS5-21L is an illuminated selector switch used for operator control, operating-mode selection and visual signalling in industrial machinery, automation equipment and electrical control panels.

How many positions does the ABB M2SS5-21L have?

The ABB M2SS5-21L is a 2-position selector switch with maintained A and C positions.

Is the ABB M2SS5-21L maintained or momentary?

The M2SS5-21L has maintained latching operation and does not use spring-return operation, so it remains in the selected position until manually changed.

Is the ABB M2SS5-21L illuminated?

Yes. The M2SS5-21L is an illuminated selector-switch operator with a blue long-handle actuator; the compatible LED block is selected separately according to the application.

What protection rating does the ABB M2SS5-21L provide?

The ABB M2SS5-21L provides IP66 front protection and a NEMA 4X rating, supporting installation in demanding industrial control-panel environments.

Trusted Industrial Pilot Devices from ABB

ABB modular pilot devices provide flexible and dependable operator interfaces for industrial machinery, automation systems and electrical control panels, with modular components designed for reliable operation and straightforward application configuration.