Pizzato FM638-W3 position switch with metal housing, integrated W3 reset device, 1NO+1NC slow action contacts and PG13.5 conduit entry for industrial automation and safety systems.
£19.37
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.
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.
| Current | 10 A |
|---|---|
| IP Rating | IP67 |
| Series | FM Series |
| Product type | Position / limit switch with reset device |
| Housing material | Metal |
| Contact configuration | 1 NO + 1 NC |
| Switching function | Slow action |
| Reset device | W3 simultaneous reset |
| Positive opening | Yes |
| Actuator type | For rotating levers (not included) |
| Conduit entry | PG13.5 |
| Protection rating | IP67 |
| Rated current | up to 10 A at 250 V AC |
| HS Code | 85369095 |
This switch is used to detect mechanical movement in industrial automation and safety systems requiring synchronised reset functionality.
The W3 reset device ensures simultaneous actuation between the actuator movement and the contact block, improving switching reliability.
The FM638-W3 features 1 normally open and 1 normally closed contact.
No, it is designed for use with compatible rotating lever actuators, which must be selected separately.
Yes, the metal housing and IP67 protection rating make it suitable for demanding industrial environments.
Pizzato FM series position switches with reset devices are trusted for their precision, durability and reliable performance in demanding automation and safety applications.
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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...