Why Choose the EMAS A21B1K11 EMAS ROCKER SWITCH ILLUMINATED RED?
£1.67
The EMAS A21B1K11 is a compact illuminated rocker switch designed for industrial control panels, automation equipment, and electrical devices requiring reliable ON/OFF switching with clear visual indication. Featuring a 30x11mm black body design, red illuminated actuator, and 1NO (1 Normally Open) contact configuration, this A21 Series rocker switch provides dependable performance in space-limited applications.
Manufactured by EMAS, the A21B1K11 includes a 0-I marked red button, integrated illumination, and terminal connection. It is rated at 16A at 250V AC with a mechanical and electrical life of 50,000 operations, making it suitable for industrial machinery, OEM equipment, and general-purpose control applications.
The EMAS A21B1K11 rocker switch is ideal for industrial automation panels, machinery controls, electrical cabinets, laboratory equipment, catering equipment, workshop machinery, and OEM electrical devices requiring illuminated ON/OFF switching.
| Specification Details Product Type | Illuminated Rocker Switch |
|---|---|
| Model | A21B1K11 |
| Series | A21 |
| Contact Type | 1NO |
| Illumination | Integrated Illumination |
| Body Colour | Black |
| Button Colour | Red |
| Connection Type | Terminal |
| Electrical Rating | 16A / 250V AC |
| Usage Category | AC15 |
| Mechanical Life | 50,000 operations |
| Electrical Life | 50,000 operations |
| Insulation Voltage | 300V |
| Impulse Withstand Voltage | 2.5kV |
| Terminal Size | 6.3 x 0.8mm |
The EMAS A21B1K11 is a black body illuminated rocker switch with a red actuator, 1NO contact configuration, terminal connection, and 0-I marking.
Yes, the A21B1K11 features integrated illumination for clear ON/OFF status indication.
The EMAS A21B1K11 is rated at 16A at 250V AC.
It is suitable for industrial control panels, machinery, OEM equipment, and electrical devices requiring a compact illuminated rocker switch.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
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...