Allen - Bradley 440N - Z21S16H is a non - contact safety switch. Here are its main parameters in English:
Model: 440N - Z21S16H
Series: 440N
Supply Voltage: 24V DC
Switching Distance: 15 mm
Connection Type: M12
Housing Material: Plastic
IP Rating: IP69K
Actuator Included: Yes
Actuator Type: Coded
Sensor Principle: RFID
Safety Category: 4
Width (Dia): 18 mm
Length: 67.06 mm
Weight: 0.001 lb
Safety Outputs: 2 x PNP, 0.2A max
Auxiliary Outputs: 1 x PNP, 0.2A max
LED Indication: Yes, for door status and troubleshooting