Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1SFA611213R2104 ABB M3SS4-21L Three-Position Maintained Illuminated Selector Switch
ABB M3SS4-21L is a blue illuminated three-position maintained selector switch with a long rotary handle, chrome-plastic bezel and 22 mm panel-mounting format for industrial control applications.
£8.96
Why Choose the ABB M3SS4-21L Selector Switch?
The ABB M3SS4-21L is a three-position maintained illuminated selector switch designed for industrial control panels, machinery and automation systems. Part of ABB's modular plastic pilot-device range, it features a blue long-handle rotary actuator with a chrome-plastic bezel for clear operator control and visual indication.
The M3SS4-21L provides three maintained positions, A, B and C, allowing the selected position to remain mechanically set after the operator releases the handle. This latching operating principle makes it suitable for mode selection, directional commands and other machine-control functions where a persistent operator selection is required.
Designed for standard 22 mm panel mounting, the M3SS4-21L is an illuminated modular selector-switch operator. Its modular construction allows compatible ABB contact and illumination components to be selected according to the required electrical control and indication function.
Key Advantages
- Three-position maintained operation provides stable A, B and C selections.
- Blue illuminated long-handle actuator combines rotary control with visual indication.
- Chrome-plastic bezel provides a clean industrial operator interface.
- Standard 22 mm panel mounting supports straightforward integration into control panels and operator stations.
- IP66 front protection supports installation in demanding industrial environments.
- NEMA 4X front rating provides additional environmental protection for suitable installations.
- Modular ABB construction allows compatible control components to be configured for the application.
Key Features
- ABB M3SS4 modular selector switch series.
- Three-position maintained operation.
- A, B and C selector positions.
- Long-handle rotary actuator.
- Blue actuator colour.
- Illuminated selector switch design.
- Chrome-plastic bezel.
- 22 mm panel-mounting format.
- IP66 front protection.
- NEMA 4X front rating.
- Individual operator weight of 0.018 kg.
Reliable Maintained Control for Industrial Machinery
Three-position maintained selector switches allow an operator to choose between defined machine states and leave the selected command mechanically engaged. The ABB M3SS4-21L provides A, B and C positions with maintained operation and no spring return, making it suitable for applications where the control must remain in its selected state until deliberately changed.
The M3SS4-21L forms part of ABB's modular plastic pilot-device system, allowing machine builders and panel designers to configure an operator interface around the required control circuit. Its blue illuminated long handle, chrome-plastic bezel and standard 22 mm format provide a compact and clearly identifiable control point for industrial machinery and automation equipment.
Typical Applications
- Industrial machinery control panels.
- Three-position operating-mode selection.
- Forward / neutral / reverse control functions.
- Manual / off / automatic selection.
- Manufacturing and production equipment.
- Material handling and conveyor systems.
- OEM machinery and industrial automation systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Illumination | Illuminated | |
|---|---|---|
| Device Type | Selector Switch | |
| Product Series | ABB Modular | |
| Mounting Diameter | 22 mm | |
| Colour | Blue | |
| Operation | Maintained | |
| Series | M3SS4 | |
| ABB order code | 1SFA611213R2104 | |
| Product type | Selector switch | |
| Product range | Modular plastic pilot devices | |
| Operating principle | Maintained / latching | |
| Number of positions | 3 | |
| Positions | A, B, C | |
| Spring return | No | |
| Actuator type | Long rotary handle | |
| Actuator colour | Blue | |
| Illumination | Illuminated | |
| Bezel material | Plastic | |
| Bezel finish | Chrome | |
| Panel mounting | 22 mm | |
| Front protection | IP66 | |
| NEMA rating | 4X | |
| Product weight | 0.018 kg | |
| EAN | 7320500297117 | |
| ABB product group | 312001-Pilot Devices (Secrl) |
Frequently Asked Questions
What is the ABB M3SS4-21L used for?
The M3SS4-21L is a three-position maintained illuminated selector switch used for mode selection and other persistent operator commands in industrial machinery, automation equipment and control panels.
How does the ABB M3SS4-21L operate?
The M3SS4-21L provides three maintained positions, A, B and C. It is a latching selector, so the chosen position remains selected until the operator deliberately moves the handle.
Does the ABB M3SS4-21L have spring return?
No. The M3SS4-21L uses maintained operation without spring return, allowing each selected position to remain mechanically engaged.
What type of actuator does the ABB M3SS4-21L use?
The M3SS4-21L uses a blue long rotary handle with a chrome-plastic bezel.
Is the ABB M3SS4-21L illuminated?
Yes. The M3SS4-21L is an illuminated selector switch with a blue actuator.
What mounting size is used for the ABB M3SS4-21L?
The M3SS4-21L is designed for a standard 22 mm mounting hole, making it suitable for ABB modular industrial control-panel assemblies.
What protection ratings does the ABB M3SS4-21L provide?
The M3SS4-21L provides IP66 front protection and a NEMA 4X front rating for suitable industrial installations.
Trusted by Industrial Control Professionals Worldwide
ABB pilot devices are widely used by machine builders, panel builders and automation professionals to provide dependable operator control and indication across industrial machinery, manufacturing equipment and process automation systems.
