AB 440G-LZ

The Guardmaster® 440G-LZ safety switch satisfies applicable requirements in 

the following standards that are related to functional safety and machinery 

assembly:

• IEC 60947-5-1: 2003+A1: 2009

• IEC 60947-5-3: 1999/A: 2005

• IEC 61508:2010 SIL 3

• IEC 62061:2005 SIL 3

• EN ISO 13849-1:2008/AC: 2009 Performance Level e (PLe), Category 4

• EN ISO 14119:2013

• UL 508 17th Edition dated 3/19/2013

Description:

Who Should Use This 

Manual

Use this manual to design, install, program, or troubleshoot systems that use 

the Guardmaster® 440G-LZ guard lock safety switches.

You are required to have a basic understanding of electrical circuitry and 

familiarity with safety-related control systems. If you do not, obtain the proper 

training before using this product.

Purpose of This Manual This manual is a reference guide for the Guardmaster 440G-LZ guard locking 

switch. It describes the procedures you use to install, wire, and troubleshoot 

your switch. This manual:

• Explains how to install and wire your 440G-LZ switch, and

• Provides an overview of the Guardmaster 440G-LZ guard locking switch.

Conventions Used in This 

Manual

The following conventions are used throughout this manual:

• Bulleted lists such as this one provide information, not procedural steps.

• Numbered lists provide sequential steps or hierarchical information.

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

E-mail: alex@fenoux.com

Tel.: +86 13338369201

Skype: +86  13338369201

WhatsApp: +86  13338369201

E-mail: alex@fenoux.com

Tel.: +86 13338369201

Skype: +86  13338369201

WhatsApp: +86  13338369201