The 133803 is a guard lock safety-door switch designed for secure access control. It features an M20 mounting head and includes a mechanical lock with a solenoid release operating at 24 VDC. The switch incorporates a configuration of 2NC (normally closed) and 1NO (normally open) contacts, along with an additional 1NC contact, suitable for slow-action applications. Its robust construction includes a plastic head and a mechanical locking mechanism, making it ideal for safeguarding machinery and ensuring safety in industrial environments.
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