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Schmersal Magnetic Non-Contact Safety Switch Plastic Housing 24V DC 1 NO/2 NC M12 BNSB20
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Schmersal |
| Length | 43.3mm |
| Model | BNSB20 |
| Connection Type | M12 |
| Depth | 140mm |
| IP Rating | IP67 |
| Width | 119.5mm |
| Housing Material | Plastic |
| Series | BNSB20 |
| Actuator Type | Coded |
| Safety Category | 4 |
| Switching Current | 0.01A |
| Terminal type | M12 |
| Sensor Principle | Magnetic |
| Body Style | Rectangular |
| Switching DC Voltage | 24V dc |
| Housing Colour | Black |
| Safety Contacts | 1 NO/2 NC |
| Switching Distance | 22 mm |
| Door handle 1NC/1NO grn/red ledBrand | Schmersal |
Key Features
- Ensures operator safety by breaking the circuit when the guard is opened.
- Features a durable glass fibre-reinforced thermoplastic body for impact and heat resistance.
- Compact rectangular design with IP67 rating for dust and water protection.
- Utilizes a coded magnetic sensor to prevent unauthorised tampering.
- Supports switching current of 0.01 A and switching distance of 22 mm.
- Equipped with an M12 connection terminal and coded actuator interface.
- Suitable for industrial applications including food processing, pharmaceuticals, automotive, mining, and factory automation.
- Wide operating temperature range from -25°C to +70°C for varied environments.
Product Description
Schmersal BNSB20 Series Magnetic Non-Contact Safety Switch model BNSB20 is designed for enhanced safety in industrial automation. It features a robust plastic housing and operates at 24V DC with 1 normally open and 2 normally closed safety contacts, ensuring reliable circuit interruption when safety guards are opened.
The switch body is made from glass fibre-reinforced thermoplastic, which offers excellent impact and heat resistance, suitable for harsh environments. Its compact rectangular form, with dimensions of approximately 119.5 mm width, 43.3 mm length, and 140 mm depth, allows for space-efficient installation.
The device utilizes a coded magnetic sensor principle, preventing unauthorised tampering by operating only with a correctly coded actuator. The switch design includes an M12 connection and a safety category rating of 4, meeting rigorous international safety standards such as IEC 60947-5-3, EN ISO 13849-1, and CE certification among others.
Operator safety by automatic circuit disconnection upon guard removal. Durability from glass fibre-reinforced plastic housing. IP67-rated protection against dust and water ingress. Tamper-resistant coded magnetic sensor technology.
Wide industrial application including automotive and pharmaceutical sectors. Wide temperature operating range for varied industrial environments.
This safety switch is an essential component for machinery safety, ensuring compliance and operator protection in manufacturing, food and beverage, and mining industries. Note that the actuator is sold separately. Compatible with Schmersal’s safety monitoring modules for full system integrity.
Explore the Electronics & Electricals category for more Safety Switch solutions and Schmersal products on EnvMart.
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Frequently Asked Questions
The safety switch operates at a switching voltage of 24V DC and supports a switching current of 0.01 A.
It is equipped with an M12 connection terminal, facilitating easy integration into existing systems.
The switch has an IP67 rating, providing protection against dust and water ingress.
This safety switch is rated under safety category 4, complying with rigorous international safety standards.
The switch utilizes a coded actuator type, which prevents unauthorized tampering by ensuring operation only with a correctly coded actuator.
It operates effectively within a wide temperature range of -25°C to +70°C, suitable for various industrial environments.
This model is suitable for industrial applications including food processing, pharmaceuticals, automotive, mining, and factory automation.
The switch supports a switching distance of 22 mm, which is essential for its operation in safety applications.
No, the actuator is sold separately and must be purchased to ensure proper functionality of the switch.
The switch is CE certified and meets standards such as IEC 60947-5-3 and EN ISO 13849-1, ensuring compliance with safety regulations.
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