Limit Switch Roller Plunger with Reset Pin 2NC (ZR 236-02ZR-1816) – Schmersal

Limit switch from Schmersal with roller plunger and integrated reset pin. Equipped with 2 NC safety contacts and latching function, making it suitable for safety-critical applications. 

General information 

Manufacturer: ZR 236-02ZR-1816 
Type: Limit switch 
Actuator: Roller plunger 
Reset: Manual reset pin 
Contacts: 2 NC 
Housing: Glass-fibre reinforced plastic 
Protection class: IP65 / IP67 
Weight: 0.064 kg 

Electrical data 

Rated voltage (AC-15): 230 V 
Current (AC-15): 4 A 
Rated voltage (DC-13): 24 V 
Current (DC-13): 1 A 
Thermal current: 10 A 
Insulation voltage: 500 V 
Impulse voltage: 6 kV 

Mechanical data 

Mechanical life: 20,000,000 operations 
B10D (NC): 20,000,000 
Actuating force: min. 9 N 
Positive break force: min. 19 N 
Max actuating speed: 1 m/s 

Function 

Snap-action with latch 
Positive opening (safety) 
Manual reset 

Connection 

Cable entry: 1 x M20 x 1.5 
Termination: Screw terminals 
Wire size: 0.75–2.5 mm² 

Environment 

Temperature: -30 °C to +80 °C 

Dimensions 

Length: 30 mm 
Width: 30 mm 
Height: 84 mm 

Standards 

EN IEC 60947-5-1 
EN ISO 13849-1 

Application 

Escalators 
Machine safety 
Safety circuits