Why Choose the EMAS B101AC20 EMAS B KEY OPER.
£18.38
The EMAS B101AC20 is a 22mm key operated selector switch from the EMAS B Series Plastic range, designed for reliable industrial control panel applications. Featuring a 2NO contact configuration, stay-put switching operation, and key removal capability in all positions, this control unit provides secure operator access and dependable switching performance for automation and machinery systems.
Built for demanding industrial environments, the EMAS B101AC20 offers durable construction, long mechanical life, and compatibility with standard 22mm panel mounting systems. It is suitable for applications requiring controlled key operation and maintained switching positions.
The EMAS B101AC20 key selector switch is commonly used in:
The EMAS B101AC20 delivers secure keyed control, reliable maintained switching, and robust performance for professional industrial environments. Its 22mm format enables easy integration into standard control panels, while the stay-put mechanism ensures the selected position remains maintained until manually changed.
| Specification Details Brand | EMAS |
|---|---|
| Model | B101AC20 |
| Product Type | Key Operated Control Unit |
| Operation Type | Stay Put |
| Key Removal | All Positions |
| Position | (0-I) 60° |
| Contact Configuration | 2NO |
| Mounting Diameter | 22mm |
| Rated Current | 4A (250V AC) |
| Usage Category | AC-15 |
| Insulation Voltage | 300V |
| Impulse Withstand Voltage | 2.5kV |
| Operating Temperature | See manufacturer datasheet |
The EMAS B101AC20 is a key operated selector switch with stay-put maintained operation and two normally open contacts.
The EMAS B101AC20 features a 2NO (two normally open) contact configuration.
Yes, the key can be removed at all positions on the EMAS B101AC20 model.
The EMAS B101AC20 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...