EMAS A71B1S11 Rocker Switch Black Body Yellow Illuminated 1NO Terminal 0-I Marked
The EMAS A71B1S11 is a compact illuminated rocker switch designed for industrial control panels, automation equipment, machinery, and electrical devices requiring reliable ON/OFF switching with clear status indication. Featuring a 22mm black body design, yellow illuminated actuator, and 1NO (1 Normally Open) contact configuration, this A71 Series rocker switch provides dependable operation in space-saving applications.
Manufactured by EMAS, the A71B1S11 includes a 0-I marked yellow button, integrated illumination, and terminal connection. It is designed for industrial switching applications requiring a compact illuminated rocker switch solution.
Product Features
Manufacturer: EMAS
Part Number: A71B1S11
Series: A71 Series Rocker Switch
Type: Illuminated Rocker Switch
Body Colour: Black
Button Colour: Yellow
Size: 22mm Diameter
Contact Configuration: 1NO (1 Normally Open)
Marking: 0-I ON/OFF
Illumination: With Illumination
Connection Type: Terminal
Protection Rating: IP20
Contact Material: AgNi
Applications
The EMAS A71B1S11 rocker switch is suitable for industrial automation panels, machinery controls, electrical cabinets, OEM equipment, and general-purpose control applications where a compact illuminated yellow actuator switch is required.
Why Choose the EMAS A71B1S11?
Compact 22mm panel mounting design
Yellow illuminated actuator for clear operating status indication
Reliable 1NO switching operation
Secure terminal connection
Suitable for industrial and OEM applications
Durable EMAS construction
Technical Specifications
Specification Details Product Type
Illuminated Rocker Switch
Model
A71B1S11
Series
A71
Contact Type
1NO
Illumination
Integrated Illumination
Body Colour
Black
Button Colour
Yellow
Connection Type
Terminal
Switch Marking
0-I
Mounting Diameter
22mm
Mechanical Life
10,000 operations
Electrical Life
10,000 operations
Frequently Asked Questions
What is the EMAS A71B1S11?
The EMAS A71B1S11 is a black 22mm illuminated rocker switch with a yellow actuator, 1NO contact configuration, terminal connection, and 0-I marking.
Is the EMAS A71B1S11 illuminated?
Yes, the A71B1S11 features integrated yellow illumination for clear ON/OFF status indication.
What is the contact configuration of the A71B1S11?
The EMAS A71B1S11 uses a 1NO (1 Normally Open) contact configuration.
Where can the A71B1S11 be used?
It is suitable for industrial control panels, automation equipment, machinery, and electrical devices requiring a compact illuminated rocker switch.
Specification Details Product Type
Illuminated Rocker Switch
Model
A71B1S11
Series
A71
Contact Type
1NO
Illumination
Integrated Illumination
Body Colour
Black
Button Colour
Yellow
Connection Type
Terminal
Switch Marking
0-I
Mounting Diameter
22mm
Mechanical Life
10,000 operations
Electrical Life
10,000 operations
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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● frequently asked questions
Common questions about our products and support
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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...