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Safety Relays & Controllers

SCHMERSAL SRB301ST-48-230VAC PULL-WIRE EMERGENCY STOP SWITCH 101170099

Product Code: 101170099

The Schmersal SRB301 series pull-wire emergency stop switch is engineered for robust machine safety. This E-Stop features a signalling output, an auxiliary contact, two openers, and three safety contacts to ensure reliable operation. It's equipped with an electronic fuse and wire breakage detection for enhanced security. The device also boasts removable terminals for easy installation, a start input, and a feedback circuit for system monitoring. Safety is further reinforced with an automatic reset function, reset edge detection, and earth connection detection. Integral system diagnostics keep you informed of the switch's status at all times. Designed to meet rigorous demands, it operates efficiently with AC-15: 230 VAC up to 6 A and DC-13: 24 VDC up to 6 A utilisation categories. Trust in the Schmersal brand for your machine safety needs with this dependable pull-wire E-Stop solution.

Technical Specifications

Cable Note All indications including the conductor ferrules.
eCl@ss Number, Version 11.0 27-27-26-01
eCl@ss Number, Version 9.0 27-27-26-01
ETIM 6.0 EC000030
ETIM 7.0 EC000030
Gross Weight (g) 87
Housing Construction Form Norm construction design
Maximum Actuating Speed (m/s) 0.3
Maximum Fuse Rating 6 A (slow blow)
Maximum Temperature (°C) 60
Minimum Ambient Temperature (°C) -30
Minimum Temperature (°C) -25
Net Weight (g) 3626.9
No. of Auxiliary Contacts 1
No. of Safety Contacts 1
Rated Short-circuit Current (A) 1000
Sensor Height (mm) 90.5
Sensor Length (mm) 30
Switching Element Opener (NC)
Switching Principle Slow action
Thermal Test Current (A) 2.5
Utilisation Category DC-13 | AC-15
Working Principle Inductive
Brand SCHMERSAL
Actuator Type Roller lever H200
Contact Material Silver
Degree of Protection IP40
EAN 4250120000000
Enclosure Material Aluminium
Maximum Ambient Temperature (°C) 70
Maximum Cable Cross Section (mm²) 2.5
Minimum Cable Cross Section (mm²) 0.34
Minimum Mechanical Life 1000000 Operations
Mounting Type DIN Rail
Rated Impulse Withstand Voltage (kV) 6
Rated Insulation Voltage (V) 500
Series SRB301
Standards EN IEC 60947-5-3 / BG-GS-ET-14
Terminal Type Screw terminals M20 x 1.5

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