£37.84
The ABB 1SFA611281R1001 is a secure and reliable M2SSK2-101 key-operated selector switch designed for industrial control panels, machinery interfaces and automation systems where controlled operator access is required. This modular selector switch provides maintained switching operation with a removable key mechanism for authorised machine control.
Part of ABB’s trusted Modular Plastic Range, the M2SSK2-101 combines a compact 22 mm mounting design with durable construction, flexible configuration options and high mechanical reliability. The selector switch features a black key actuator, black plastic bezel and non-illuminated operation for dependable industrial applications.
The ABB 1SFA611281R1001 provides a two-position maintained selector function with key removal capability in position B. It is supplied without a contact block, allowing users to select the required switching configuration separately for customised machine control and automation applications.
Key selector switches provide an additional security layer in industrial systems by restricting machine operation to authorised personnel. The ABB M2SSK2-101 enables operators to securely select machine states, operating modes and control functions while maintaining dependable switching performance.
The modular design of the ABB 1SFA611281R1001 allows simple integration with ABB contact blocks, making it suitable for machine builders, OEM equipment manufacturers and industrial automation engineers.
| Manufacturer | ABB |
|---|---|
| Series | Modular Plastic Range |
| Model | M2SSK2-101 |
| Product ID | 1SFA611281R1001 |
| Product type | Key selector switch actuator |
| Actuator type | Key operated |
| Operation | Maintained |
| Number of positions | 2-position |
| Maintained positions | B, C |
| Key removal position | B only |
| Key code | Ronis 455 / Key code 71 |
| Handle colour | Black |
| Bezel material | Black plastic |
| Illumination | Non-illuminated |
| Mounting diameter | 22 mm |
| Front protection rating | IP66 |
| NEMA protection | Type 1, 12, 3R, 4, 4X |
| Mechanical durability | 0.5 million operations |
| Operating temperature | -25 to +85 °C |
| Dimensions (W × H × D) | approx. 48 × 30 × 63 mm |
| Weight | approx. 0.069 kg |
| HS Code | 85389099 |
| Country of Manufacture | China |
The ABB 1SFA611281R1001 is a key-operated selector switch used for secure operator control and machine function selection in industrial systems.
Yes. The M2SSK2-101 uses a removable key actuator to provide controlled access to switching functions.
The ABB M2SSK2-101 provides a two-position maintained selector function.
No. The ABB 1SFA611281R1001 is a non-illuminated key selector switch.
No. Contact blocks are ordered separately according to the required switching arrangement.
ABB key selector switches provide secure, reliable and flexible operator control solutions for modern industrial automation and machinery applications.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...