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Presence Sensing Safety Devices

SCHMERSAL BNS250-12Z SAFETY SENSOR 101123071

Product Code: 101123071

The Schmersal BNS250 series safety sensor is a robust machine safety solution designed with a thermoplastic enclosure to ensure durability. This sensor requires an evaluation unit for proper functioning and features two openers and one shutter for versatile application. It operates with a magnet as the actuating element and connects via cable terminals, ensuring easy integration into existing systems. Optimized for low-power operations, it runs on 24 VDC with a switching current of 0.1 A and a modest switching capacity of 1 W. Ideal for engineers looking to enhance machine safety without compromising on efficiency or space, the BNS250 is tailored for front-side detection, streamlining your machinery's safety mechanisms seamlessly.

Technical Specifications

Cable Note All indications including the conductor ferrules.
eCl@ss Number, Version 11.0 27-27-06-01
eCl@ss Number, Version 9.0 27-27-24-03
ETIM 6.0 EC000030
ETIM 7.0 EC000030
Gross Weight (g) 20
Housing Construction Form Norm construction design
Installation Conditions Arbitrarily
Maximum Actuating Speed (m/s) 1
Maximum Fuse Rating 6 A gG D-fuse
Maximum Switching Capacity (W) 0.24
Maximum Temperature (°C) 70
Minimum Actuating Speed (mm/min) 60
Minimum Ambient Temperature (°C) -25
Minimum Positive Break Force (N) 20
Minimum Temperature (°C) -25
Net Weight (g) 75
No. of Auxiliary Contacts 2
No. of Safety Contacts 1
Nominal Output Current (A) 0.1
Nominal Power (W) 1
Protection Class of Operating Resource 3
Rated Maximum Operational Voltage DC (V) 24
Rated Operating Current (mA) 50
Rated Short-circuit Current (A) 400
Recommended Safety Switchgear PROTECT PSC1 | SRB-E-301ST | SRB-E-201LC
Resistance to Shock (g/ms) 110 / 4 - 30 / 18
Sensor Height (mm) 133
Sensor Length (mm) 60.55
Switching Element 1 NO contact, 1 NC contacts
Switching Principle Slow action
Utilisation Category DC-13 | AC-15
Utilisation Category DC-13 0.05 A
Wire Cross-Section 0.25 mm
Working Principle Electromechanical
Brand SCHMERSAL
Actuator Type Magnet
Contact Material Silver
Degree of Protection IP67
EAN 4030660000000
Enclosure Coating Material Painted
Enclosure Material Aluminium
Height (mm) 69
Maximum Ambient Temperature (°C) 80
Maximum Cable Cross Section (mm²) 1 x 1 , flexible
Minimum Cable Cross Section (mm²) 0.34
Minimum Mechanical Life 1000000 Operations
Mounting Type Snaps onto standard DIN rail to EN 60715
Overvoltage Category 3
Pollution Degree 3
Rated Impulse Withstand Voltage (kV) 6
Rated Insulation Voltage (V) 400
Series BNS250
Standards EN IEC 60947-5-1
Storage Temperature (°C) -40 to 85
Terminal Type Connector
Width (mm) 33

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