Why Choose the Pizzato FM638-W4M2 Position Switch?
The Pizzato FM638-W4M2 is a robust industrial position switch with rotating lever and manual reset function designed for reliable mechanical position monitoring in automation systems, machinery and industrial control applications. As part of the proven Pizzato FM series position switches, it combines a durable metal housing, slow-action contacts and an integrated reset device for dependable operation in demanding industrial environments.
The FM638-W4M2 is designed for machine builders and automation engineers requiring accurate position detection with positive opening operation and reliable switching performance. Its rotating lever head and W4 reset configuration provide controlled actuator and contact block operation, making it suitable for safety-related machine monitoring applications.
Featuring a metal housing, IP67 protection rating, one threaded PG 13.5 conduit entry and a 1NO + 1NC slow-action contact block, the Pizzato FM638-W4M2 provides a dependable solution for industrial machinery, automation equipment and position control systems.
Key Advantages
Reliable Pizzato FM series industrial position switch design.
Integrated W4 reset device for coordinated actuator operation.
Durable metal housing construction for industrial environments.
IP67 protection rating for protection against dust and water ingress.
1NO + 1NC slow-action contacts for dependable switching performance.
Positive opening operation suitable for safety monitoring applications.
Key Features
Pizzato FM638 series position switch.
Model: FM638-W4M2.
Position switch for rotating levers.
Manual reset function.
1NO + 1NC slow-action contact block.
Metal housing with one threaded PG 13.5 conduit entry.
Positive opening operation.
Suitable for industrial machine safety and automation systems.
Reliable Position Detection for Industrial Machinery
Industrial position switches such as the Pizzato FM638-W4M2 provide accurate mechanical feedback by detecting the position and movement of machine components. This enables reliable machine sequencing, operational monitoring and improved safety performance within automated systems.
The FM series is designed for industrial applications where robust construction, dependable switching and long service life are essential. Its rotating lever design, reset functionality and positive opening contacts make it suitable for professional machine building and automation installations.
Typical Applications
Industrial automation machinery.
Machine tools and production equipment.
Safety monitoring systems.
Conveyor and material handling systems.
Packaging and processing machinery.
OEM machinery and industrial control installations.
Technical Specifications
HS Code
85369095
Manufacturer
Pizzato Elettrica
Series
FM Series Position Switches
Model
FM638-W4M2
Product type
Industrial position switch with reset
Head type
For rotating levers
Contact configuration
1NO + 1NC slow action
Housing material
Metal
Connection
One threaded PG 13.5 conduit entry
Protection rating
IP67
Rated thermal current
10 A
Rated insulation voltage
500 V AC / 600 V DC
Ambient temperature
-25°C to +80°C
Mechanical endurance
20 million operating cycles
Frequently Asked Questions
What is the Pizzato FM638-W4M2 used for?
The FM638-W4M2 is used for mechanical position detection and safety monitoring in industrial machinery and automation systems.
What type of actuator does the FM638-W4M2 use?
The FM638-W4M2 is designed for use with rotating levers, allowing flexible mechanical position sensing applications.
What contact configuration does the FM638-W4M2 have?
The FM638-W4M2 features a 1NO + 1NC slow-action contact block for reliable switching and monitoring functions.
What protection rating does the FM638-W4M2 provide?
The FM638-W4M2 provides an IP67 protection rating, making it suitable for demanding industrial environments.
Where is the FM638-W4M2 typically installed?
The switch is typically installed on industrial machinery, automation equipment and safety control systems requiring reliable position feedback.
Trusted by Machine Builders Worldwide
Pizzato FM series position switches are trusted by automation professionals and machine builders for reliable mechanical detection, durable construction and consistent performance in industrial applications.
HS Code
85369095
Manufacturer
Pizzato Elettrica
Series
FM Series Position Switches
Model
FM638-W4M2
Product type
Industrial position switch with reset
Head type
For rotating levers
Contact configuration
1NO + 1NC slow action
Housing material
Metal
Connection
One threaded PG 13.5 conduit entry
Protection rating
IP67
Rated thermal current
10 A
Rated insulation voltage
500 V AC / 600 V DC
Ambient temperature
-25°C to +80°C
Mechanical endurance
20 million operating cycles
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...