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Allen-Bradley Hardware Product

Muting Light Curtain Monitoring Safety Relays

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Our Muting Light Curtain Monitoring Relays allow the automatic temporary suspension of the safety function if certain conditions are met. In material handling applications, material is allowed to pass through the protective field without shutting down the machine. In addition to muting, these modules monitor up to three light curtains with presence sensing device initiation (PSDI).

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Safety Relays, Muting Light Curtain
  • Overview
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  • Documentation
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Overview

  • Allows the automatic temporary suspension of the safety function if certain conditions are met
  • Monitors up to three light curtains with presence sensing device initiation (PSDI)
Additional Information

Protect your people, productivity, and environment with our Safety Components and integrated Safety Solutions. We understand your factory floor challenges and can help you meet your goals with one of the broadest safety portfolios in the industry.


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Documentation

Resource Publication Number Language
Guardmaster Safety Relays Brochure GLSAFE-BR003
Bulletin 445L Muting Controller Box Product Profile 445L-PP007
English
 
Looking for Technical Documentation?

Visit the Technical Documentation Center to find product specifications, installation guides, user manuals, product certifications and more.

View 440R Muting Light Curtain Monitors Technical Publications and Certifications
Certifications
UL Listed Component Mark Canadian and United States RequirementsUL Listed Component Mark Canadian and United States Requirements
FS Engineer (TÜV Rheinland) CertificateFS Engineer (TÜV Rheinland) Certificate
UK Conformity Assessed UK Conformity Assessed
  • CE Marked for all applicable directives
  • cULus Listed
  • TÜV Certified
  • UKCA Marked for all applicable regulations

According to:

  • Performance Level (PL) e and category 4 to EN ISO 13849-1: 2008
  • SIL Claimed Level (SIL CL) 3 to IEC/EN 62061
  • Safety Integrity Level (SIL 3) to IEC/EN 61508

Suitable to connect Type 4 light curtains or Type 2 self-testing light curtains according to IEC/EN 61496-1, cross fault monitoring in the light curtain.

Standards

  • EN 61496-1:2004 + A1:2008
  • IEC 61496-2:2006
  • EN ISO 13849-1:2008
  • EN 61508 Parts 1-7:1998-2000
  • EN 50178:1997
  • EN 62061:2005
  • EN 61000-6-4:2007
  • EN 61000-6-2:2005

Directives

  • 2006/42/EC Machinery Directive
  • 2004/108/EC EMC Directive

Product Safety Function

The MSR4x safety base control devices and the MSR4xE extension modules can be used in applications up to Safety Category 4 / SIL3/SIL CL3 (EN 61508 / EN 62061) and PLe (EN ISO 13849-1).


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