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Safety Pushbuttons & Operator Devices

SCHMERSAL NDRZ50SW NDR - EMERGENCY STOP LATCHING PUSHBUTTON 101179795

Product Code: 101179795

The Schmersal NDR Series offers a robust emergency stop latching pushbutton designed for demanding industrial environments. This pushbutton features a 22.3 mm diameter hole for easy installation and a round profile with a black operating element, complemented by a silver front ring and white bellows for clear visibility. Its latching function ensures the button remains engaged until manually reset, while the integrated snap-action mechanism provides reliable operation. The mounting flange facilitates secure attachment, and full insulation guarantees safety across temperature ranges from -25°C to +80°C. Engineered to withstand harsh conditions, it boasts an IP67 and IP69K rating for dust and water resistance, making it an ideal choice for applications requiring stringent hygiene standards. Trust in Schmersal's commitment to quality with this essential component in your pushbuttons & signalling systems.

Technical Specifications

Brand SCHMERSAL
Actuator Type Roller lever
Contact Material Silver
Degree of Protection IP67/69K
EAN 4030660000000
eCl@ss Number, Version 11.0 27-27-26-01
eCl@ss Number, Version 9.0 27-27-26-01
Enclosure Material Plastic, glass-fibre reinforced thermoplastic, self-extinguishing
ETIM 6.0 EC000030
ETIM 7.0 EC000030
Gross Weight (g) 126
Maximum Actuating Speed (m/s) 3
Maximum Ambient Temperature (°C) 70
Maximum Cable Cross Section (mm²) 2.5
Maximum Fuse Rating 6 A gG D-fuse
Maximum Temperature (°C) 80
Minimum Ambient Temperature (°C) -30
Minimum Cable Cross Section (mm²) 0.25
Minimum Mechanical Life 10000000 Operations
Minimum Temperature (°C) -25
Net Weight (g) 60
No. of Safety Contacts 1
Rated Impulse Withstand Voltage (kV) 4
Rated Insulation Voltage (V) 500
Rated Short-circuit Current (A) 100
Sensor Height (mm) 35
Sensor Length (mm) 40
Series NDR - Emergency stop latching pushbutton
Standards EN IEC 60947-5-1 / EN IEC 60947-1
Switching Element NO contact, NC contact
Switching Principle Slow action
Terminal Type Screw terminals M20 x 1.5
Utilisation Category DC-13 | AC-15
Utilisation Category DC-13 2.5 A
Working Principle RFID

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