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MSR7R/7C Two-Hand Control Monitoring Relays

Bulletin 440R MSR7R and MSR7C Control Monitoring Safety Relays

The Guardmaster® MSR7R and MSR7C are logic units for monitoring and interfacing two-hand control devices with a safety-related circuit. The MSR7R is compatible with mechanical switches and the Allen-Bradley® Bulletin 800Z Zero-Force Touch Buttons™. Note that Guardmaster Safety Relays have been marketed by Rockwell Automation under the trade name "Minotaur" in the past.

Features 

  • Safety category 3 per EN 954-1
  • Safety category IIIb per EN 574
  • Two-hand control unit
  • Three N.O. safety outputs
  • One N.C. auxiliary output
  • 45 mm wide housing

Products

  • MSR7R Two-Hand Control Monitoring Relays compatible with mechanical switches and Bulletin 700Z Zero-force Touch Buttons™
  • MSR7C Two-Hand Control Monitoring Relays compatible with capacitive or photoelectric switches

Certifications

  • CE Marked for all applicable directives, C-Tick, cULus & TÜV

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

Learn More

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

Rockwell Automation has a global safety team of principle consultants to assist you at any step in a safeguarding project—from training and standards assistance through validation and startup. Learn more about these Safety Services.

Frequently Viewed Publications

TitleNumberLanguage
MSR7C Safety Relay Installation InstructionsMINOTR-IN004
MSR7R Safety Relay Installation InstructionsMINOTR-IN005
More Safety Relay publications in Literature LibraryAll Languages

Product Catalog

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Certifications

See our Product Certification site for Declarations of Conformity, certificates and other certification details.

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Accessories

We offer a variety of accessories for your Safety Relays, including:

  • Fuses
  • Terminators
  • Screw and spring clamp terminal blocks
  • Replacement terminal block kits
  • Ribbon cables
  • 24V DC power supplies
  • Twist-to-release maintained mushroom head operators

View all Safety Relay accessories