Safety Door Locks & Interlocks · 7 series

Safety Door Locks & Interlocks

Mechanical, electromagnetic and RFID-coded guard door interlocks with up to 2000 N holding force.

QSD-AQMS-K4-L2 Safety Door Latch
Safety Door Locks & Interlocks

QSD-AQMS-K4-L2 Safety Door Latch

A lever-action safety door latch that holds a guard door closed and provides the mounting point for an interlock actuator on retrofits and fabricated guards.

View product page →
QSDP Mechanical Safety Interlock Switch
Safety Door Locks & Interlocks

QSDP Mechanical Safety Interlock Switch

A mechanical two-contact interlock for guard doors that need a simple, hard-wired safety contact. Flame-retardant Pa66 housing, copper contacts, IP67 sealing

View product page →
QSD-K6 & SDP Electromagnetic Safety Interlock Series
Safety Door Locks & Interlocks

QSD-K6 & SDP Electromagnetic Safety Interlock Series

Electromagnetic interlocks with 2, 4 or 6 contacts and a 1300 N locked-state tensile strength — for machine tools that need more contacts than a basic interl

View product page →
QSD-M3 Non-Contact RFID Safety Switch
Safety Door Locks & Interlocks

QSD-M3 Non-Contact RFID Safety Switch

A coded, non-contact interlock with no mechanical actuator to align: 0–10 mm horizontal and 0–8 mm vertical operating distance, dual-channel NPN/PNP output,

View product page →
QSD-M01 Non-Contact Magnetic Coding Safety Switch
Safety Door Locks & Interlocks

QSD-M01 Non-Contact Magnetic Coding Safety Switch

A magnetic-coded interlock with two safety output contacts and a wide 8 mm operating / 17 mm release window — a low-cost coded alternative where a mechanical

View product page →
QSD High-Performance Safety Interlock Switch
Safety Door Locks & Interlocks

QSD High-Performance Safety Interlock Switch

An electromagnetic / mechanical locking interlock with ≥2000 N holding force, ≤2 mm bolt insertion tolerance and 1,000,000 operating cycles — for heavy guard

View product page →
DE-K Series Actuation Keys
Safety Door Locks & Interlocks

DE-K Series Actuation Keys

Six actuator key shapes for the QSD / QSDP interlock range — T-shaped, L-shaped, long-throw and adjustable versions, so the key can follow the door's closing

View product page →
LE Raun

LE Raun is a high-tech enterprise specializing in R&D, production, and sales of industrial sensors and automation solutions. We are committed to providing cutting-edge sensing technology for smart manufacturing.

Contact Us

  • 10th Floor, Building 5, Minghu Zhigu Industrial Park, Fenghuang Subdistrict, Guangming District, Shenzhen, Guangdong, China
  • sensor01@leraun.com
  • +86 18818997341
© 2026 LE Raun. All rights reserved.
Contact Us
We will contact you within 24 hours.
We don't share your data