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Speed Monitoring Safety Relays
Allen-Bradley

Our MSR57P Speed Monitoring Safety Relays are designed for motion applications that require interaction by personnel during operation. Our MSR55P Speed Monitoring Safety Relays are used for standstill detection on single and three phase motors without the need for sensors.
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Overview Chevron DownChevron Down

Our MSR57P Speed Monitoring Safety Relays are designed for motion applications that require interaction by personnel during operation.

Our MSR55P Speed Monitoring Safety Relays are used for standstill detection on single and three phase motors without the need for sensors.

MSR57P Speed Monitoring Safety Relays

  • Includes six N.O. solid-state safety outputs and four solid-state auxiliary outputs
  • Offers one or two encoders (sin/cos and TTL)
  • Includes eight diagnostic status indicators
  • Provides DPI configuration ports
  • Provides 67.5 mm (2.7 in.) DIN Rail housing
  • Includes removable terminals

MSR55P Speed Monitoring Safety Relays

  • Offers safe standstill detection on single- and three-phase motors
  • Needs no external sensors
  • Independent of direction
  • Broken wire detection
  • Provides 45 mm (1.8 in.) housing
  • Performance Level (PL) e and category 4 to EN ISO 13849-1
  • SIL-Claimed Level (SIL CL) 3 to IEC/EN 62061
  • Safety Integrity Level (SIL) 3 to IEC/EN 61508, IEC/EN 61511, and EN 61800-5-2

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.

Specifications

DownloadDownload
Bulletin 440R MSR57P Guardmaster Speed Monitoring Safety Relay User Manual
DownloadDownload
Bulletin 440R MSR55P Back EMF Minotaur Safety Relay User Manual
DownloadDownload
Bulletin 440R Back EMF Monitoring Relay Installation Instructions
Certifications
  • cULus Listed
  • RCM
  • TÜV Certified

Directives

  • 2006/42/EC Machinery Directive
  • 2004/108/EC EMC Directive
  • 2011/65/EU RoHS Directive

Standards Compliance

MSR57P Speed Monitoring Safety Relays

  • IEC 61800-5-2:2016
  • EN 61800-5-2:2017
  • IEC 61800-5-1:2007 + A1:2016
  • EN 61800-5-1:2007 + A1:2017
  • EN ISO 13849-1:2015
  • IEC 62061:2015
  • EN 62061:2015 + AC:2010 + A1:2013 + A2:2015
  • IEC/EN 61508 Parts 1-7:2010

MSR55P Speed Monitoring Safety Relays

  • EN ISO 13849-1:2015
  • EN 61508 Parts 1-7:2010
  • EN 62061:2005 + A1:2013 + A2:2015
  • EN 61000-6-2:2005
  • EN 61000-6-3:2007 + A1:2011
  • EN 61000-6-7:2015
  • EN 61800-5-2:2017
  • EN 63000:2018

Product Safety Function

MSR57P Speed Monitoring Safety Relays

Standstill monitoring of electric motors in machinery applications and in the application area of IEC/EN 61511-1. The standstill monitors comply with the requirements of the relevant standards (Cat. 4, PLe to EN ISO 13849-1, SIL CL3 (IEC/EN 62061, IEC/EN 61508,  IEC/EN 61800-5-2) and can be used in applications up to Cat. 4/PLe and SIL 3.

MSR55P Speed Monitoring Safety Relays

Standstill monitoring of electric motors in machine safety applications up to Cat. 4, PLe (EN ISO 13849-1) and SIL CL3 (EN 61508/EN 62061).

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details. 

Looking for Additional Information?

To find additional product information including CAD drawing files, 3D models and more use our Product Catalog.

Product Catalog
Documentation Chevron DownChevron Down
Installation Instructions 出版物
Bulletin 440R Back EMF Monitoring Relay Installation Instructions 440R-IN081_-ZH-P
User Manuals 出版物
Bulletin 440R MSR57P Guardmaster Speed Monitoring Safety Relay User Manual 440R-UM004_-EN-P
Bulletin 440R MSR55P Back EMF Minotaur Safety Relay User Manual 440R-UM014_-EN-P
Miscellaneous 出版物
Guardmaster Safety Relays Brochure GLSAFE-BR003_-ZH-P