Need help? Talk to an engineer now

Don’t close the page—message our team. We typically reply within 1 business day.

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

One-Stop Machine Safety OEM/ODM
Your data is protected with HTTPS/TLS encryption.
safety interlock switches -1

safety interlock switches -1

The Safety Interlock Switch is a critical device for machine guarding. It prevents machine operation unless a safety gate or guard is securely closed. If the guard is opened, the switch sends an immediate stop signal, preventing access to hazardous areas and ensuring operator safety.

You can also complete the form for a bulk quote or to discuss OEM/ODM solutions. Our specialists will contact you promptly.

Share your love
Product      High Performance Safety Interlock Switch
Safety outputNPN*2/PNP*2
Response
time
Locking→Unlocking<100ms(Independent working)
Unlocking → Locking<300ms(Independent working)
LockingLock holding force Fzh≥2000N
Lock bolt insertion deviation≤2mm
Mechanical endurance>1 million times (Door operating speed1m/s)
Operating frequency1Hz
Minimum radius of the revolving door≥250mm
Manual unlockingFront. Rear
Cascade linkingMaximum 20 sets
Control
output
Output methodTransistor output*2
Max. load current150mA
Residual voltage (during ON)2.5V max. (5m cable) 3.5V (31m cable)
OFF stage voltage2.0V max. (5m cable) 3V (31m cable)
Leakage current0.5mA max.
Max. capacitive load4uF
Load wiring resistance2.5Ω max.
AUX output
(Not safety
output)
OutputTransistor
Max. load current50mA
Residual voltage (when ON)2.5V max. (5m cable) 3.5V (31m cable)
External input
(Short circuit
current)
Safety inputApprox. 1.5mA x 2
Lock control input
(OSSD switching input)
Approx. 5mA
Reset/ EDM inputApprox. 5mA (only for advanced function)
EDM option inputApprox. 2.5mA (only for advanced function)
PowerPower supply24VDC±10% (ripple P-P 10% Class 2)
Power consumption<5W
Circuit protectionReverse current protection, short-circuit protection and surge
protection for each output
Environmental
resistance
Enclosure ratingIP67
Ambient temperature-10℃~+55℃(No freezing)
Storage temperature-25℃~+70℃(No freezing)
Operating relative humidity5% to 95%RH
Storage relative humidity5% to 95%RH
Vibration resistance10 to 55Hz, double amplitude 2.0mm, 5 minutes in each of
tine X, Y, and Z direction (IEC60947-5-3)
Shock resistance30G in X, Y, Z directions 6 times each axis (IEC60947-5-3)
MaterialNylon/ Zinc alloy/ Stainless steel
<300ms (Independent working)

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.