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MK H12F42 Pizzato Microswitch with roller lever
Pizzato MKH12F42 microswitch with rear roller lever actuator, 1 NO + 1 NC contacts, snap-action switching, positive opening and technopolymer housing for industrial automation.
£5.13
Why Choose the Pizzato MKH12F42 Safety Microswitch?
The Pizzato MKH12F42 is a high-performance industrial microswitch with rear roller lever actuator, designed for precise position detection and dependable switching in automation systems. As part of the advanced Pizzato MK series, it offers excellent durability, consistent switching performance and suitability for safety-critical applications.
This model features a back direct action roller lever (approximately 38 mm), enabling actuation from the rear of the switch. This configuration provides flexible installation in complex machinery layouts and ensures smooth interaction with moving components thanks to the integrated roller.
With a 1 NO + 1 NC snap-action contact configuration, the MKH12F42 ensures fast and reliable switching. The reinforced technopolymer housing offers strong resistance to wear and impact, while optional terminal covers allow protection up to IP65, making it suitable for demanding industrial environments.
Key Advantages
- Reliable microswitch with rear roller lever actuator.
- Back direct actuation enables flexible installation.
- Integrated roller reduces mechanical wear and friction.
- Snap-action switching ensures fast and consistent response.
- Optional sealing up to IP65 for harsh environments.
- Positive opening operation for safety applications.
Key Features
- Pizzato MK series microswitch.
- 1 NO + 1 NC (changeover) contacts.
- Rear roller lever (~38 mm).
- Back direct action switching mechanism.
- Glass fibre reinforced technopolymer housing.
- Vertical faston terminal connections.
- Optional terminal covers for protection up to IP65.
- Positive opening compliant with industrial safety requirements.
Reliable Rear Actuation for Safety and Automation
The MKH12F42 is designed for applications where actuation occurs from behind or via indirect mechanical movement. The roller lever ensures smooth engagement with moving parts, improving system accuracy while reducing mechanical stress.
Its snap-action switching mechanism provides rapid electrical response with minimal contact bounce, ensuring reliable operation in industrial automation and safety circuits.
Typical Applications
- Position detection in industrial machinery.
- Safety circuits requiring positive opening contacts.
- Automation systems with rear or indirect actuation.
- Conveyors and material handling equipment.
- Packaging and production machinery.
- End-of-travel detection.
Technical Specifications
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| Device Type | Limit switch | |
|---|---|---|
| Housing Material | Technopolymer | |
| Switching Action | Snap action | |
| IP Rating | IP00 | |
| Contacts | 1NO + 1NC | |
| Actuator Type | Roller lever | |
| Positive Opening | Yes | |
| Series | MK Series Microswitches | |
| Product type | Microswitch with rear lever | |
| Contact configuration | 1 NO + 1 NC | |
| Contact type | Snap-action changeover | |
| Actuation type | Back direct action | |
| Actuator | Roller lever (~38 mm) | |
| Connection type | Vertical faston terminals | |
| Housing material | Technopolymer | |
| Protection rating | IP00 (IP20/IP65 with terminal cover) | |
| Operating temperature | -25 to +85 °C | |
| Rated voltage | up to 250 V AC / 300 V DC | |
| Rated current | up to 5–6 A | |
| Positive opening | Yes | |
| HS Code | 85369095 |
Frequently Asked Questions
What is the Pizzato MKH12F42 used for?
This microswitch is used for detecting position and movement in industrial machinery, especially where rear or indirect actuation is required.
What is the benefit of the roller lever?
The roller lever reduces friction and wear, ensuring smooth actuation and extended mechanical life.
What does positive opening mean?
Positive opening ensures the normally closed contact is mechanically forced open, improving safety in critical applications.
What protection rating does it offer?
It has a base IP00 rating, which can be increased up to IP65 with suitable 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 safety-focused switching performance in industrial automation systems.
