Allen-Bradley 440G-LZS21SPLH

Allen-Bradley 440G-LZS21SPLH

Overview

The Allen-Bradley 440G-LZS21SPLH is a guard locking safety interlock switch with a power-to-lock mechanism, designed to ensure that machine guards remain locked until safe conditions are met. It features RFID-coded actuation for high tamper resistance, a left-hinge actuator entry, and operates on 24V DC. With an IP69K-rated enclosure, this switch is ideal for harsh industrial or hygienic environments, and it meets PLe / SIL 3 safety standards.

Key Features

• Locking Principle: Power-to-lock (lock engages when power is applied)

• Coding Type: RFID (highly coded, per ISO 14119)

• Actuator Entry: Left hinge

• Supply Voltage: 24V DC

• Safety Ratings:

  • Performance Level: PLe (EN ISO 13849-1)

  • SIL Rating: SIL 3 (IEC 62061)

• Enclosure Rating: IP67 / IP69K

• Locking Force: Up to 2000 N

• Connector Type: M12, 8-pin (depending on model variant)

Technical Specifications

• Catalog Number: 440G-LZS21SPLH

• Series: 440G-LZ

• Mounting Type: Surface mount

• Material: High-strength, chemical-resistant housing

• Operating Temperature: -20°C to +55°C

• Status Indicators: LED indicators for lock and power status

• Certifications: UL, CE, TÜV, cULus, RoHS

Applications

• Machine guarding with hazardous motion

• Food, beverage, and pharmaceutical washdown environments

• Packaging and robotic systems

• Safety circuits requiring coded interlocks and high locking force

Why Choose the 440G-LZS21SPLH

• Power-to-lock design ensures safety when power is present

• High tamper resistance with RFID coding

• IP69K-rated for the most demanding environments

• Meets the highest global safety standards for machine guarding

Order Now

The Allen-Bradley 440G-LZS21SPLH safety interlock switch is available and ships worldwide.