Wieland Dual-Channel Safety Relay, 115 → 230V ac, 2 Safety Contacts

SNZ 1022K Safety Relay Function - after the power supply is established at terminals A1/A2 and the feedback loop is closed (terminals Y1/Y2), the release current paths are closed when the actuators (S1+S2) are operated at the same time. The two actuators must be operated within 0.5 s to trigger a release. If just one of the two actuators is released, the device is immediately de-energized and the enabling current path is opened. The device can only be restarted once the two actuators are returned to their initial positions (e.g. the two-hand buttons have been released). The current status of the device is shown by 2 LEDs. The presence of the power supply is indicated with the SUPPLY LED, the operation of the two actuators with the K1 LED, if there is synchronous operation.

Monitoring of Safety Gate and Two Hand Control applications
Stop Category 0 according to EN 60204-1
Two-channel actuation; 1 NO contact and 1 NC contact for each channel
Cross monitoring
Monitoring of synchronous activation
1 changeover contact
Screw terminals, pluggable
Up to PL c / Category 1 (EN ISO 13849-1)
Up to SIL_CL 1 (EN 62061)

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