Single-pole switch STP-BI-3A-2131A024SR11

IP67plasticsolenoid

• Actuating head made of metal • Auxiliary release on the front • Additional function BI-State • With door monitoring contact Additional function BI-State In addition, the STP-BI has a function to prevent persons from unintentionally locking themselves inside if the safety door is open in case of a power failure or if the machine is switched off the deactivation of the activated guard locking in case of a power failure. Solenoid operating voltage AC/DC 24 V +10%, -15% Guard locking type STP3 Closed-circuit current principle, guard locking by spring force. Release by applying voltage to the guard locking solenoid. Switching element 2131 Slow-action switching contact 2 NC + 1 NO + 1 NC (door monitoring contact) Auxiliary release This is used for releasing the guard locking with the aid of a tool. To protect against tampering, the auxiliary release is sealed with sealing lacquer.