EMAS B101K20BB12 Double Push Button 2NO White-White (I-II) Marked 22mm
The EMAS B101K20BB12 is a professional 22mm double flush push button designed for industrial automation systems, electrical control panels, and machine command applications. Featuring a 2NO (Normally Open) contact configuration, white-white actuator design, and I-II marking, this EMAS B Series control unit provides reliable operator control and efficient switching for industrial environments.
Manufactured by EMAS, the B101K20BB12 combines durable construction, ergonomic operation, and dependable electrical performance. Its double button configuration allows two separate control functions within a single 22mm mounting position, making it suitable for compact control panel applications.
Product Features
Manufacturer: EMAS
Product Code: B101K20BB12
22mm panel mounting diameter
Double flush push button design
White-white actuator colour
I-II marked button identification
Contact configuration: 2NO (Normally Open)
Momentary push button operation
Rated current: 4A at 250V AC
Usage category: AC-15
Mechanical life: minimum 500,000 operations
Electrical life: minimum 100,000 operations
Protection rating: IP50
Contact material: AgNi
Applications
The EMAS B101K20BB12 double push button is suitable for:
Industrial automation control panels
Machine operation interfaces
Electrical control cabinets
Production line equipment
Operator control stations
Start/command switching applications
Why Choose EMAS B101K20BB12?
The EMAS B101K20BB12 provides a compact and reliable solution for applications requiring multiple operator commands in a single panel location. With its dual white actuator design, clear I-II identification marking, 2NO contact arrangement, and industrial-grade construction, it delivers dependable performance for automation and control systems.
Technical Specifications
Specification Details Brand
EMAS
Model
B101K20BB12
Product Type
Double Flush Push Button
Operation
Momentary Spring Return
Contact Configuration
2NO
Actuator Colour
White-White
Marking
I-II
Mounting Diameter
22mm
Rated Current (Ie)
4A (250V AC)
Usage Category
AC-15
Insulation Voltage (Ui)
300V
Impulse Withstand Voltage (Uimp)
2.5kV
Mechanical Life
500,000 operations minimum
Electrical Life
100,000 operations minimum
Operating Temperature
-15°C to +80°C
Protection Degree
IP50
Contact Material
AgNi
Cable Section
1.5-2.5 mm²
Frequently Asked Questions
What type of push button is the EMAS B101K20BB12?
The EMAS B101K20BB12 is a double flush push button with white-white actuators, I-II marking, and 2NO contact configuration.
What is the contact configuration of the B101K20BB12?
The EMAS B101K20BB12 features two normally open contacts (2NO).
What mounting size is required for installation?
The EMAS B101K20BB12 is designed for standard 22mm control panel mounting.
Where can the EMAS B101K20BB12 be used?
It is commonly used in industrial automation systems, machinery controls, and electrical panels requiring compact dual-function pushbutton control.
Specification Details Brand
EMAS
Model
B101K20BB12
Product Type
Double Flush Push Button
Operation
Momentary Spring Return
Contact Configuration
2NO
Actuator Colour
White-White
Marking
I-II
Mounting Diameter
22mm
Rated Current (Ie)
4A (250V AC)
Usage Category
AC-15
Insulation Voltage (Ui)
300V
Impulse Withstand Voltage (Uimp)
2.5kV
Mechanical Life
500,000 operations minimum
Electrical Life
100,000 operations minimum
Operating Temperature
-15°C to +80°C
Protection Degree
IP50
Contact Material
AgNi
Cable Section
1.5-2.5 mm²
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
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Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
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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...