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Schmersal BNS 33-11Z | Safety Door Switch, 1NO+1NC, IP67

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"ACH has proven to be a reliable partner. Their products are genuine and high-quality, with competitive prices and on-time delivery. We trust them as our long-term supplier in automation."

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Schmersal BNS 33-11Z | Safety Door Switch, 1NO+1NC, IP67

Schmersal BNS 33-11Z | Safety Door Switch, 1NO+1NC, IP67
Schmersal BNS 33-11Z | Safety Door Switch, 1NO+1NC, IP67 Schmersal BNS 33-11Z | Safety Door Switch, 1NO+1NC, IP67 Schmersal BNS 33-11Z | Safety Door Switch, 1NO+1NC, IP67

Large Image :  Schmersal BNS 33-11Z | Safety Door Switch, 1NO+1NC, IP67 Get Best Price

Product Details:
Place of Origin: DE
Brand Name: Schmersal
Certification: ATEX
Model Number: BNS 33-11Z
Document: ACH-AB-P+F-E+H-IFM-ASCO-YOK...WA.pdf
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: Negotiable
Packaging Details: carton
Delivery Time: Negotiable
Payment Terms: T/T,XT,ALIPAY
Supply Ability: 100pcs per month
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Detailed Product Description
Power Supply: 1 Ambient Temperature: -
Electrical Rating: G Certifications: S
Highlight:

Schmersal BNS 33-11Z safety door switch

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IP67 safety door switch

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1NO+1NC safety door switch

Schmersal BNS 33-11Z | Safety Door Switch, 1NO+1NC, IP67

Schmersal BNS 33-11Z magnetic safety switch. Plastic housing, 1NO+1NC contacts, 100V AC/DC, IP67, -25°C to +70°C. Requires separate BPS actuator.

Product Overview

The Schmersal BNS 33-11Z​ is a non-contact magnetic safety switch​ designed for machine guarding and safety door monitoring. It features a thermoplastic housing​ and offers 1 normally open (NO) and 1 normally closed (NC) contact​ configuration. This switch operates on a magnetic reed principle​ and requires a separate coded actuator (BPS 33 series) for operation, ensuring compliance with safety standards up to Category 4 (EN ISO 13849-1).

Technical Specifications (Electrical & Functional)

Parameter

Specification

Product Type​

Magnetic Safety Switch (Reed)

Contact Configuration​

1 NO + 1 NC​

Rated Voltage​

≤ 100 V AC / ≤ 100 V DC​

Rated Current​

0.4 A

Max. Switching Power​

10 W

Switching Frequency​

≤ 5 Hz

Safety Category​

Category 4 (EN ISO 13849-1)​

B10D Value​

25,000,000 operations

Standards​

EN IEC 60947-5-3, BG-GS-ET-14

Technical Specifications (Mechanical & Environmental)

Parameter

Specification

Housing Material​

Glass-fiber Reinforced Thermoplastic

Actuator Type​

Coded Magnet (Separate, BPS 33)​

Switching Distance (Sao)​

5 mm (BPS 33) / 8 mm (BPS 33-2326)

Release Distance (Sar)​

15 mm (BPS 33) / 18 mm (BPS 33-2326)

Degree of Protection​

IP67​

Operating Temperature​

-25 °C ... +70 °C​

Dimensions (L x W x H)​

88 mm x 25 mm x 13 mm

Connection​

Cable or M8 Connector (Variant Dependent)

Mounting​

Concealed/Flush Mount

Key Features

  • High Safety Integrity:​ Designed for Category 4 applications with a high B10D value, suitable for protecting hazardous machine access points.

  • Coded Actuation:​ Requires a specific Schmersal BPS actuator, preventing tampering or bypass with a standard magnet.

  • Robust Construction:​ IP67-rated housing protects against dust and temporary immersion, ideal for harsh industrial environments.

Applications

  • Safety door monitoring on CNC machines and robotic cells

  • Access panel interlocking in packaging and assembly machinery

  • Guard locking systems in compliance with EN ISO 14119

Schmersal BNS 33-11Z | Safety Door Switch, 1NO+1NC, IP67 0

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About ACH

Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL  to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.

Schmersal BNS 33-11Z | Safety Door Switch, 1NO+1NC, IP67 1
Frequently Ask & Questions
Are preferential prices available?

Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.

Are the Products Genuine OEM Units?

Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.

How will you arrange shipment?

We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.

What is the warranty of goods?

One-year Warranty.

How long is the logistics cycle of the product?

Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.

Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

B
Budi
Indonesia May 8.2026
Helpful (2)
This Turck sensor performs reliably even at high temperatures.
J
Joko Susilo
Indonesia May 4.2026
Helpful (1)
This AUMA actuator is reliable and works flawlessly!
A
Arjun
India May 1.2026
Helpful (1)
This Omron input module is stable and easy to integrate.
Tag:

VEGA Instruments,

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Schmersal BNS 33-11Z safety door switch

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