Why Choose the EMAS B100SL21S EMAS B SELECTOR SW.
£7.66
The EMAS B100SL21S is a B Series plastic illuminated selector switch control unit designed for industrial automation, machinery control panels, and electrical control applications. Featuring a 1NO contact configuration, 0-I selector positions, a 60° spring return mechanism, and yellow illumination, this 22mm selector switch provides reliable momentary switching control with clear operator indication.
Manufactured by EMAS, the B100SL21S features durable non-flammable V0 PA6.6 contact blocks and is engineered for dependable industrial performance. It provides a 4A rating at 250V AC, AC-15 utilisation category, IP50 protection, AgNi contact material, and compliance with IEC 60947-5-1, TS EN 60947-5-1, UL 508, and VDE 0660 standards.
The EMAS B100SL21S illuminated selector switch is suitable for industrial control panels, automation systems, machinery interfaces, electrical cabinets, and applications requiring a visible momentary selector input.
| Specification Details Manufacturer | EMAS |
|---|---|
| Part Number | B100SL21S |
| Product Series | B Series Plastic |
| Switch Type | Illuminated Selector Switch |
| Selector Type | Spring Return |
| Selector Position | 0-I |
| Contact Configuration | 1NO |
| Illumination Colour | Yellow |
| Contact Material | AgNi |
| Rated Current | 4A at 250V AC |
| Usage Category | AC-15 |
| Insulation Voltage | 300V |
| Impulse Withstand Voltage | 2.5kV |
| Operating Temperature | -15°C to +80°C |
| Protection Degree | IP50 |
| Mounting Size | Ø22mm |
| Cable Section | 1.5-2.5mm² |
| Short Circuit Breaking Capacity | Ics 1kA |
| Standards | IEC 60947-5-1, TS EN 60947-5-1, UL 508, VDE 0660 |
The EMAS B100SL21S is a 22mm illuminated B Series plastic selector switch with a 1NO contact configuration, 0-I spring return selector operation, and yellow illumination.
No. The B100SL21S uses a spring return mechanism, meaning the selector returns to its original position after release.
The EMAS B100SL21S features yellow illumination.
The EMAS B100SL21S is designed for standard 22mm control panel mounting.
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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...