EMAS B101K20YY12 22mm Double Flush Push Button Control Unit - Green Green I-II Marked 2NO
The EMAS B101K20YY12 is a professional 22mm industrial double flush push button control unit designed for reliable operator control in automation systems, electrical panels, and machinery applications. Featuring a green-green double button configuration with I-II printed marking and two normally open (2NO) contacts, this EMAS B Series control unit provides clear visual identification and dependable switching performance.
Manufactured by EMAS, the B101K20YY12 double push button is suitable for industrial control panels, machine interfaces, motor control systems, production equipment, and operator stations. Its standard 22mm mounting size, durable construction, and long operating life make it a reliable choice for demanding industrial environments.
EMAS B101K20YY12 Product Features
Brand: EMAS
Model: B101K20YY12
Product Type: Double Flush Push Button Control Unit
Series: B Series Plastic
Mounting Diameter: 22mm
Button Type: Double Flush
Contact Configuration: 2NO (Two Normally Open Contacts)
Colour: Green-Green
Marking: I-II Printed Marking
Rated Current: 4A at 250V AC
Usage Category: AC-15
Mechanical Life: Minimum 500,000 operations
Electrical Life: Minimum 100,000 operations
Protection Degree: IP50
Contact Material: AgNi
Operating Temperature: -15°C to +80°C
Applications
The EMAS B101K20YY12 is commonly used in industrial automation panels, machinery control stations, motor control applications, electrical cabinets, production lines, and operator interfaces requiring reliable dual-button operation.
Why Choose EMAS B101K20YY12?
The EMAS B101K20YY12 combines durable industrial construction with dependable switching technology. Its green-green I-II marked design allows easy operator identification, while the 22mm mounting format ensures compatibility with standard control panels. The unit is designed for long service life and consistent performance in industrial applications.
Technical Specifications
Specification Value Product Code
B101K20YY12
Product Type
Double Flush Control Unit
Contact Type
2NO
Button Colour
Green-Green
Marking
I-II
Mounting Diameter
22mm
Rated Current (Ie)
4A at 250V AC
Insulation Voltage (Ui)
300V
Impulse Withstand Voltage (Uimp)
2.5kV
Dielectric Strength (Body-Contact)
2500V AC
Dielectric Strength (Contact-Contact)
1500V AC
Isolation Resistance
10MΩ minimum at 500V DC
Short Circuit Breaking Capacity
1kA
Cable Section
1.5-2.5mm²
Screw Torque
1.5Nm
Standards
IEC 60947-5-1, TS EN 60947-5-1, UL 508, VDE 0660
Frequently Asked Questions
What is the EMAS B101K20YY12?
The EMAS B101K20YY12 is a 22mm double flush push button control unit with green-green buttons, I-II marking, and two normally open contacts for industrial control applications.
How many contacts does the EMAS B101K20YY12 have?
The EMAS B101K20YY12 features two normally open contacts (2NO).
What is the mounting diameter of the EMAS B101K20YY12?
The EMAS B101K20YY12 is designed for standard 22mm panel mounting.
Where can the EMAS B101K20YY12 be used?
It is suitable for industrial automation systems, machinery controls, electrical panels, and operator control stations.
Specification Value Product Code
B101K20YY12
Product Type
Double Flush Control Unit
Contact Type
2NO
Button Colour
Green-Green
Marking
I-II
Mounting Diameter
22mm
Rated Current (Ie)
4A at 250V AC
Insulation Voltage (Ui)
300V
Impulse Withstand Voltage (Uimp)
2.5kV
Dielectric Strength (Body-Contact)
2500V AC
Dielectric Strength (Contact-Contact)
1500V AC
Isolation Resistance
10MΩ minimum at 500V DC
Short Circuit Breaking Capacity
1kA
Cable Section
1.5-2.5mm²
Screw Torque
1.5Nm
Standards
IEC 60947-5-1, TS EN 60947-5-1, UL 508, VDE 0660
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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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...