SCHMERSAL BNS33-11ZG-3M Limit Switch, 1NO / 1NC, 250 mA, 100 V, BNS 33 Series

SCHMERSAL BNS33-11ZG-3M Limit Switch, 1NO / 1NC, 250 mA, 100 V, BNS 33 Series


Specifications
SKU
BNS 33-11ZG
Details

The BNS 33-11ZG is a coded-magnet safety sensor manufactured by Schmersal. It is widely used as a non-contact safety interlock switch on movable machine guards, doors, and articulating robot arms to ensure they are properly closed before machinery operates.
Core Specifications
  • Contact Configuration: 1 normally open (NO) and 1 normally closed (NC) contact.
  • Switching Elements: Reed contacts utilizing a non-contact, coded magnetic principle.
  • LED Display: Features an integral diagnostic LED that illuminates when the safety guard is open.
  • Enclosure: Thermoplastic, rated IP67 (submersible/dustproof).
  • Switching Distances: Assured "ON" distance of 5 mm to 8 mm; assured "OFF" distance of 15 mm to 18 mm.
  • Dimensions: 88 mm × 25 mm × 13 mm.
Usage & Installation
  • Actuators: The actuator (magnet) must be ordered separately; the recommended compatible actuator is the BPS 33.
  • Tolerance: The sensor is highly insensitive to transverse misalignment and soiling, ensuring a long operational lifespan without mechanical wear.
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