1SFA611210R2104 ABB M3SS1-21L Selector Switch

1SFA611210R2104 ABB M3SS1-21L Selector Switch

ABB M3SS1-21L 1SFA611210R2104 is a blue three-position maintained illuminated selector switch operator with a short handle, chrome-plastic bezel and 22 mm mounting for industrial control panels.

SKU: 1SFA611210R2104Alt SKU: M3SS1-21LMPN: 1SFA611210R2104
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Why Choose the ABB M3SS1-21L Selector Switch?

The ABB M3SS1-21L is a robust three-position illuminated selector switch operator designed for industrial control panels, machinery and automation systems. Supplied under ABB order code 1SFA611210R2104, it forms part of ABB’s modular pilot device range and provides reliable manual selection between multiple machine functions or operating modes.

The M3SS1-21L features a blue illuminated short-handle operator with a chrome-plastic bezel and maintained switching action. Its three-position A-B-C operating principle allows the selector to remain in the chosen position until manually changed, providing clear physical and visual indication as part of an industrial operator interface.

Designed for installation in a standard 22 mm mounting hole, the M3SS1-21L is supplied as a modular selector switch operator without a contact block. It can be combined with compatible ABB holders, contact blocks and illumination components to create a complete selector switch assembly for industrial control and automation applications.

Key Advantages

  • Industrial three-position illuminated selector switch operator for machinery and control panels.
  • Maintained A-B-C operation retains the selected position until manually changed.
  • Blue short-handle actuator provides compact and convenient operator control.
  • Chrome-plastic bezel provides a durable and professional panel appearance.
  • Designed for standard 22 mm panel mounting.
  • IP66 front protection supports installation in demanding industrial environments.

Key Features

  • ABB M3SS1-21L selector switch.
  • ABB order code 1SFA611210R2104.
  • Three selector positions.
  • Maintained operating action.
  • A-B-C operating principle.
  • Short-handle actuator.
  • Blue operator colour.
  • Chrome-plastic bezel.
  • Illuminated design.
  • 22 mm mounting-hole diameter.
  • IP66 front protection.
  • NEMA Type 4X front protection.

Reliable Three-Position Control for Industrial Machinery

Three-position selector switches provide operators with a straightforward method of choosing between multiple predefined machine functions or operating modes. The ABB M3SS1-21L uses a maintained A-B-C mechanism, allowing each selected position to remain mechanically set until the operator deliberately changes it.

ABB’s modular pilot-device construction allows the M3SS1-21L to be combined with compatible holders, contact blocks and illumination components according to the required control circuit. This modular approach makes the selector suitable for new machinery, control-panel construction, system integration, maintenance and replacement applications.

Typical Applications

  • Industrial machinery control panels.
  • Three-mode machine function selection.
  • Manual, off and automatic control selection.
  • Automation and production equipment.
  • Motor and process control stations.
  • Manufacturing and assembly machinery.
  • OEM electrical control systems and panel building.

Technical Specifications

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Illumination Illuminated
Device Type Selector Switch
Product Series ABB Modular
Mounting Diameter 22 mm
Colour Blue
Operation 3 positions
Product group 312001-Pilot Devices (Secrl)
Series M3SS1 Modular Pilot Devices
Order code 1SFA611210R2104
Product type Illuminated selector switch operator
Number of positions 3
Maintained positions A, B, C
Operating principle A-B-C
Operating action Maintained
Actuator type Short handle
Operator colour Blue
Bezel colour Chrome
Bezel material Plastic
Illumination Illuminated
Mounting-hole diameter 22 mm
Front protection rating IP66
NEMA protection Type 1, 3R, 4, 4X, 12 and 13
Mechanical durability 0.5 million operations
Operating temperature -25 to +70 °C
Storage temperature -40 to +85 °C
Contact block Not included
Dimensions (W × H × D) approx. 48 × 30 × 50 mm
Weight approx. 0.019 kg
EAN 7320500293515

Frequently Asked Questions

What is the ABB M3SS1-21L used for?

The ABB M3SS1-21L is a three-position maintained illuminated selector switch operator used to select between machine functions or operating modes in industrial control panels and automation systems.

What is the ABB order code for the M3SS1-21L?

The ABB order code for the M3SS1-21L is 1SFA611210R2104.

How many positions does the M3SS1-21L have?

The M3SS1-21L has three maintained positions, A, B and C, allowing the selector to remain in each chosen position until manually changed.

Is the ABB M3SS1-21L illuminated?

Yes. The M3SS1-21L is an illuminated selector switch operator with a blue short-handle actuator and can be combined with compatible ABB modular illumination components.

What mounting size does the M3SS1-21L require?

The M3SS1-21L is designed for installation in a standard 22 mm panel mounting hole and provides IP66 front protection when correctly installed.

Trusted Industrial Control from ABB

ABB modular pilot devices provide machine builders, panel builders and automation engineers with flexible operator components designed for dependable control and signalling across industrial machinery and electrical control-panel applications.