Thermoplastic body
Protection degree IP65
With flat key
Contact types – slow action and snap action type “Zb”: X11 (1NC/1NO Slow Action) – W02 (2NC Slow Action) – Z11 (1NC/1NO Snap Action)
Conduit entry: Standard M20 – On request 1/2 NPT
Series
LIMIT SWITCHES, STNK With safety key
Automation - Contact type
X11 - 1nc/1no slow action, Z11 - 1nc/1no snap action, W02 - 2nc slow action, Z02 - 2NC Snap Action, W20 - 2N0 Slow action
Automation - Thread dimension of lead exit
M20, 1/2NPT
The STNK series of safety interlock and safety door switches is a line of specially designed safety switches for machine door and guard applications. This tongue or key operated safety interlock switch is cUL508 Listed, available with positive opening NC contacts and carries an IP67, NEMA 4, 4X, 6 and 6P protection rating.Customer wiring to this safety interlock switch is simplified due to the removable contact blocks. The head of this safety door switch can be mounted in 4 directions and the key or tongue can be inserted into the safety switch in 5 directions including downwards.There are 3 different keys available for each tongue interlock switch and the customer has several options for the type of contacts including both slow action and snap action. Applications for the STNK series include safety gate switch, door interlock switch, guard safety switch and as a panel door safety switch.The housing of these mechanical safety interlock switches are double insulated avoiding the need for additional ground connections. To ensure the ingress protection rating the STNK safety interlock switch accepts M16 cable glands as a standard with M20, NPT, PG and M12 connectors as an option.