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SCHMERSAL BNS 33 - The DNA of Safety | Magnetic Safety Switch, Plastic Housing, 2 NO, Cable
Brand: SCHMERSAL
Specifications
SKU: Schmersal BNS33
Weighing: Thermoplastic enclosure
Concealed mounting possible
Insensitive to transverse misalignment
88 mm x 25 mm x 13 mm
The Schmersal BNS33 is a series of non-contact, magnetic safety switches designed to monitor the position of movable machine guards, safety doors, or robotic arms.
Key Features
Key Features
- Coded Actuation: Operating exclusively with a matching Schmersal BPS33 Actuator, preventing bypass using standard magnets.
- Industrial Durability: Sealed to IP67 standards, providing submersion protection and high tolerance to dust, dirt, shock, and heavy vibration.
- Compact Footprint: Features a slim glass-fiber reinforced thermoplastic housing measuring 88 mm x 25 mm x 13 mm.
- Long Lifespan: Non-contact magnetic operation eliminates physical wear, ensuring a longer mechanical life.
Core Technical Specifications
| Parameter | Specification |
|---|---|
| Switching Voltage (Max) | 100 VAC / VDC (Standard versions) |
| Switching Current (Max) | 250 mA to 400 mA (Depending on model) |
| Switching Distance | Assured ON: 5mm or 8mm | Assured OFF: 15mm or 18mm |
| Temperature Range | -25 °C to +70 °C |
| Safety Standards | EN ISO 14119 (Type 4 interlocking), EN 60947-5-3 |
Common Model Configurations
- BNS 33-11Z: Includes 1 Normally Open (NO) and 1 Normally Closed (NC) contact.
- BNS 33-12Z: Includes 1 Normally Open (NO) and 2 Normally Closed (NC) contacts.
- BNS 33-02Z: Includes 2 Normally Closed (NC) contacts.
- Suffix Options: "G" indicates an integrated LED status indicator; "ST" features an integrated M8 connector plug rather than a standard PVC pre-wired cable.
Note: For official safety circuit compliance up to Control Category 4, these switches must be used with a compatible Schmersal AES Safety Controller.
Are you looking to replace an existing sensor, or do you need help wiring a specific variant?
Inquiry - SCHMERSAL BNS 33 - The DNA of Safety | Magnetic Safety Switch, Plastic Housing, 2 NO, Cable
