EMAS KB14A2 Key Operated Selector Switch 1NO+1NC 0-I Stay Put 22mm Control Unit
The EMAS KB14A2 is a durable industrial key operated selector
switch designed for secure control applications in automation systems,
electrical panels, and machinery. Featuring a 1NO+1NC contact
configuration, 0-I two-position operation, 90° key
rotation, and key removal at the 0 position, the KB14A2 provides reliable
operator control with added access security.
Part of the EMAS KB Series Plastic range, the KB14A2 is designed for
22mm panel mounting and features robust construction with non-flammable
V0 PA6.6 contact blocks and AgNi contact material. It is suitable for
industrial control panels requiring controlled access switching.
EMAS KB14A2 Features
Manufacturer: EMAS
Model: KB14A2
Product Type: Key Operated Selector Switch
Contact Configuration: 1NO + 1NC
Operation Type: Stay Put Key Operated
Switch Position: 0-I
Rotation Angle: 90°
Key Removal Position: 0 Position
Mounting Diameter: 22mm
Series: KB Series Plastic
Contact Material: AgNi
Protection Rating: IP50
Applications
The EMAS KB14A2 key operated selector switch is suitable for industrial
automation panels, machine control systems, electrical cabinets, access
controlled operator stations, and applications requiring secure manual
switching control.
Technical Specifications
IP Rating
IP40
Specification Value Contact Configuration
1NO + 1NC
Selector Type
Key Operated Stay Put
Switch Positions
0-I
Rotation Angle
90°
Key Removal
At 0 Position
Mounting Diameter
22mm
Rated Current
4A at 220V AC
Usage Category
AC-15
Mechanical Life
300,000 operations minimum
Electrical Life
100,000 operations minimum
Operating Frequency
Mechanical 1200 / Electrical 1200 operations per hour
Insulation Voltage
300V
Impulse Withstand Voltage
2.5kV
Dielectric Strength
2500V AC (Body-Contact)
Operating Temperature
-15°C to +80°C
Pollution Degree
3
Cable Section
1.5-2.5mm²
Short Circuit Breaking Capacity
1kA
Protection Degree
IP50
Standards
IEC 60947-5-1 / TS EN 60947-5-1
Frequently Asked Questions
What type of contacts does the EMAS KB14A2 have?
The EMAS KB14A2 features one normally open (NO) and one normally closed (NC)
contact configuration.
What is the mounting size of the EMAS KB14A2?
The KB14A2 is designed for standard 22mm panel mounting applications.
Can the key be removed from the EMAS KB14A2?
Yes, the key can be removed in the 0 position for controlled access operation.
What standards does the EMAS KB14A2 comply with?
The KB14A2 complies with IEC 60947-5-1 and TS EN 60947-5-1 industrial control
device standards.
IP Rating
IP40
Specification Value Contact Configuration
1NO + 1NC
Selector Type
Key Operated Stay Put
Switch Positions
0-I
Rotation Angle
90°
Key Removal
At 0 Position
Mounting Diameter
22mm
Rated Current
4A at 220V AC
Usage Category
AC-15
Mechanical Life
300,000 operations minimum
Electrical Life
100,000 operations minimum
Operating Frequency
Mechanical 1200 / Electrical 1200 operations per hour
Insulation Voltage
300V
Impulse Withstand Voltage
2.5kV
Dielectric Strength
2500V AC (Body-Contact)
Operating Temperature
-15°C to +80°C
Pollution Degree
3
Cable Section
1.5-2.5mm²
Short Circuit Breaking Capacity
1kA
Protection Degree
IP50
Standards
IEC 60947-5-1 / TS EN 60947-5-1
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
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
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.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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...