Product Introduction

Our Non-contact Safety Door Switch SG-P Series is Type4 / PLe / SIL3 grade non-contact magnetic safety interlock for machine guard doors. It adopts advanced indicator-light transmission method, supports visual type and compact small-size type. Max 30 units can be cascaded in series without dedicated safety controller, widely deployed for industrial machine safety protection.

Key Benefits

Non‑contact Safety Door Switch SG‑P Series

Bright large indicator lamp

Three selectable protection types

SGP series magnetic safety door interlock

Parent-child structure wiring-saving

Technical Specifications

Item	Specifications
Safety Grade	Type4, PLe, SIL3
Power Supply	24V DC
Operating Distance	Sao(OFF-ON):5mm; Sar(ON-OFF):15mm
Output Type	PNP / NPN OSSD safety output
Max Series Connection Quantity	30 units (1 standard +29 auxiliary)
Protection Class	IP65
Response Time	Single unit:100ms max; multi-cascade:100ms+5ms×(connected-1)
Ambient Temperature	-10~+55℃(operation),-25~+65℃(storage)
Certification	CE, TÜV SÜD, RoHS compliant

Applications & Components

Non-contact Safety Door Switch SG-P Series

SGP magnetic safety interlock switch for machine guard

Laser marking equipment lifting door

Safety monitoring for lifting access door of laser engraving & marking machines.

Noncontact magnetic safety door switch SGP

Sliding door for electronic component inspection device

Non-contact safety guard for sliding access doors on inspection stations.

Machine safety interlock switch SGP Series

Maintenance door for large-size industrial equipment

Safety interlock for multi-maintenance access doors of heavy machinery.

Noncontact Safety Door Switch SGP Series

Automated production line guard door

Series-connected safety protection for multiple safety doors on automation lines.

Industrial noncontact safety door sensor SGP

Why Choose This Machine

Non-contact Safety Door Switch SG-P Series eliminates mechanical contact wear compared with mechanical safety switches. Bright visual indicator makes on-site status checking straightforward. Parent-child cascade structure greatly reduces wiring workload, and auto-pairing shortens commissioning time. With Type4 PLe SIL3 high-level safety performance, it fits demanding machinery safety requirements without purchasing extra dedicated safety controller.

Part of Your Smart Factory

Magnetic safety interlock switch supports multi-door series connection for whole production cell safety monitoring. Reliable OSSD safety outputs seamlessly connect to safety controllers and safety circuits in smart factory automation systems. Clear visual feedback helps operators quickly locate abnormal safety-door points, improving equipment maintainability and overall production safety for smart manufacturing workshops.