A-B 440E-L13137 Guardmaster Safety Switch

Product Overview

The Allen-Bradley 440E-L13137 Guardmaster Lifeline 4 is a cable-pull emergency stop safety switch designed to provide emergency stopping along conveyor lines and other machinery. It supports cable spans up to 75 m and features an integrated emergency-stop button, 2 normally closed safety contacts and 2 normally open auxiliary contacts, with an M20 conduit connection.

Key Technical Specifications

Rockwell Automation currently lists the 440E-L13137 as an active product.

Advantages & Features

• Emergency-stop protection along long conveyor systems
• Supports cable runs up to 75 m
• Integrated emergency-stop pushbutton
• 2 safety + 2 auxiliary contacts
• Rugged die-cast housing
• IP66 protection for demanding industrial environments
• Clear cable-tension indication
• Suitable for reliable machine safety applications

Applications

• Conveyor systems
• Material handling equipment
• Manufacturing lines
• Packaging machinery
• Mining and bulk-material handling
• Industrial production equipment
• Machine emergency-stop circuits

Important Notes

• The switch must be correctly tensioned and installed according to the manufacturer's instructions.
• Verify the required cable length, M20 conduit connection, and contact configuration before ordering.
• Safety circuits should be connected to an appropriate safety relay or safety controller.
• Inspect the switch, cable, housing, and conduit entry regularly for damage or loss of sealing.
• Installation and safety-system testing should be performed by qualified personnel.