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China-based manufacturer of Safety Light Curtains & Machine Safety Sensors

One-Stop Machine Safety OEM/ODM
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safety interlock switches -2

safety interlock switches -2

This robust safety interlock switch is designed for heavy-duty machine guarding applications. It ensures operator safety by reliably monitoring the position of guards, doors, and hatches, preventing machine operation when access is not securely closed, and is built to withstand harsh industrial environments.

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Product           High Performance Contactless Safety Door Switch
Product model Safety interlock NSS22
 Standard  Standard ISO13849-1(Cat.4/PLe);IEC/EN60947-5-1;IEC/EN60947-5-3
Powersupply  DC24V±15%
 Capacity  <1W
 Risktime 50ms
 Responsetime 50ms
 Magneticholdingforce >15N
 OSSDoutput  PNP or NPN signal. Load below 200mA, residual voltage below1V (except voltage caused by cable extension), leakage current below 1mA
 Protective circuit Over voltage protection, power supply reverse polarity protection and over current protection.
Coding mode Universal coding,unique coding
Enclosure rating  IP65
 Hosingsectionalsize 48*30mm
Vibration resistance Frequency 10Hz-55Hz, amplitude 0.35±0.05mm, 20 times each at X, Y and Z directions.
Working temperature -10℃~+55℃(No freezing)
Storage temperature -30℃~+70℃(No freezing)
Working humidity When 20℃, the humidity max <85%

MOQ & Customization

Flexible MOQs for pilot and scale orders. OEM/ODM with absorbency grades (Light/Moderate/Heavy), sizes, and private-label packaging; GS1/UPC ready.

Delivery Cycle & Support

3-day rapid sampling and 98.6% on-time delivery. Dedicated engineers, COA & compliance docs (FDA/CE/MDSAP), and training to speed your launch.

Quality & Certifications

ISO 13485–certified manufacturing with EN 13799:2019 absorption standards and OEKO-TEX® materials. Full traceability and 0 product recalls.