Electrical counter, short plate, Fail Secure - YLI YS-131NO-S

The YLI YS-131NO-S is an electric counter for access control systems, designed for built-in installation in door frames and operation with standard mechanical locks. The model is Fail-Secure (NO) - in the absence of power it remains locked, and when power is applied it unlocks the door. The unit operates on 12 V DC (24 V optional) and consumes about 240 mA at 12 V, providing a holding force of about 350-500 kg. The housing is painted steel with a stainless steel locking element, the dimensions are approximately 160 × 25 × 31 mm, and the weight is approximately 0.36 kg. The model is suitable for wooden, metal and PVC doors and has a signal output (NO/NC/COM) for status reporting to an access control system or intercom