FM 638-W3 Pizzato Position switch for rotating levers with reset device

Why Choose the Pizzato FM638-W3 Position Switch?

The Pizzato FM638-W3 is a heavy-duty industrial position switch with integrated reset device, designed for accurate detection of mechanical movement in automation and safety systems. As part of the reliable Pizzato FM series, it delivers consistent switching performance and long service life in demanding industrial environments.

Constructed with a robust metal housing and a standard PG13.5 threaded conduit entry, the FM638-W3 is engineered for easy installation in machinery and control panels. The integrated W3 reset device ensures synchronised actuation between the actuator movement and contact block, improving reliability in applications subject to vibration or dynamic loads.

This model features a 1NO + 1NC slow action contact configuration with positive opening operation, making it suitable for both control and safety circuits. Its IP67 protection rating ensures dependable operation in harsh environments exposed to dust, moisture and mechanical stress.

Key Advantages

• Durable metal housing for long-term industrial reliability.
• 1 normally open + 1 normally closed contacts for flexible control circuits.
• Integrated W3 reset device for synchronised switching.
• Slow action switching ensures stable signal output.
• Positive opening contacts enhance safety compliance.
• IP67 protection rating for harsh environments.

Key Features

• Pizzato FM series position switch with reset device.
• 1NO + 1NC slow action contact block (B6).
• W3 simultaneous reset mechanism.
• Metal enclosure for high mechanical strength.
• Designed for rotating lever actuators (not included).
• PG13.5 threaded cable entry.
• IP67 ingress protection according to EN 60529.
• Suitable for vibration and dynamic load applications.

Reliable Position Detection with Reset Function

Position switches with reset devices such as the FM638-W3 ensure synchronised mechanical and electrical switching, improving reliability in automation systems. This is particularly important in applications involving vibration, shock or high-speed machine movement.

The integrated reset mechanism provides controlled switching behaviour and reduces reliance on snap action contacts, resulting in smoother operation and increased durability across industrial processes.

Typical Applications

• Industrial machinery and automation systems.
• Safety circuits requiring monitored switching.
• Conveyor and material handling systems.
• Packaging and production lines.
• Applications with vibration or dynamic loads.
• OEM machine building and control panels.