Pizzato MKH12D40 microswitch with roller lever actuator, 1 NO + 1 NC contacts, snap-action switching and technopolymer housing for industrial automation and position detection.
SKU:MKH12D40Alt SKU:MKH12D40MPN:MK H12D40
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Why Choose the Pizzato MKH12D40 Safety Microswitch?
The Pizzato MKH12D40 is a compact and reliable industrial microswitch with roller lever actuator, designed for precise position detection and dependable switching in automation and safety systems. As part of the advanced Pizzato MK series, it is engineered to deliver consistent performance in demanding industrial environments.
This model features a roller lever actuator (approx. 48 mm), providing smooth, low-friction actuation and reduced wear when interacting with moving machine components. Its reinforced technopolymer housing ensures durability while maintaining a lightweight and compact form factor for easy integration.
With a 1 NO + 1 NC snap-action contact configuration, the MKH12D40 ensures fast and reliable switching. It is suitable for industrial control systems, position sensing and safety-related applications where accuracy and reliability are essential.
Key Advantages
Reliable microswitch with roller lever actuator.
Smooth actuation reduces mechanical wear and friction.
Snap-action switching ensures fast and consistent performance.
Durable technopolymer housing for long service life.
Compact design for easy installation in machinery.
Suitable for automation and position detection systems.
Key Features
Pizzato MK series microswitch.
1 NO + 1 NC (changeover) contacts.
Roller lever actuator for smooth mechanical operation.
Direct action switching mechanism.
Glass fibre reinforced technopolymer housing.
Vertical faston terminal connections.
Optional terminal covers for increased protection up to IP65.
High mechanical durability for repeated operation.
Smooth and Reliable Position Detection
The Pizzato MKH12D40 is designed for applications requiring smooth mechanical interaction and precise switching. The roller lever reduces friction and wear, making it ideal for systems with frequent or continuous movement.
Its snap-action contact system ensures rapid switching with minimal contact bounce, improving reliability and reducing maintenance in industrial automation circuits.
Typical Applications
Position detection in industrial machinery.
Conveyors and material handling systems.
Packaging and processing equipment.
End-of-travel detection.
Automation and control systems.
General-purpose industrial switching.
Technical Specifications
Current
6 A
IP Rating
IP00
Series
MK Series Microswitches
Product type
Microswitch with roller lever
Contact configuration
1 NO + 1 NC
Contact type
Snap-action changeover
Actuation type
Direct action
Actuator
Roller lever (~48 mm)
Connection type
Vertical faston terminals
Housing material
Reinforced technopolymer
Protection rating
IP00 (IP20/IP65 with terminal covers)
Operating temperature
-25 to +85 °C
Rated voltage
up to 250 V AC / 300 V DC
Rated current
up to 6 A
HS Code
85369095
Frequently Asked Questions
What is the Pizzato MKH12D40 used for?
This microswitch is used for detecting position and movement in industrial machinery and automation systems.
What type of actuator does this switch use?
It features a roller lever actuator, providing smooth and low-friction operation.
What contact configuration does it have?
The MKH12D40 includes a 1 NO + 1 NC snap-action contact configuration.
What protection rating does it offer?
The switch has a base IP00 rating, which can be increased up to IP65 with appropriate terminal covers.
What temperature range does it operate in?
It operates within approximately -25 to +85 °C.
Trusted by Industrial Automation Engineers
Pizzato MK series microswitches are widely trusted for their precision, durability and reliable switching performance in industrial automation and control applications.
Current
6 A
IP Rating
IP00
Series
MK Series Microswitches
Product type
Microswitch with roller lever
Contact configuration
1 NO + 1 NC
Contact type
Snap-action changeover
Actuation type
Direct action
Actuator
Roller lever (~48 mm)
Connection type
Vertical faston terminals
Housing material
Reinforced technopolymer
Protection rating
IP00 (IP20/IP65 with terminal covers)
Operating temperature
-25 to +85 °C
Rated voltage
up to 250 V AC / 300 V DC
Rated current
up to 6 A
HS Code
85369095
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.
What product ranges do you supply
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...