Home Products Safety / Guardmaster Compact Safety Relays

440R-S35014

MSR55P 24V DC 200mV to 4V


Specialty Safety Relay, Speed Monitoring -, 2 redundant measuring channels Inputs, N/A Auxiliary Outputs, 24V DC,200 mV to 4V. Designed for use with Servos and VSD’s


Price Per 1   £320.79

Routeco stock: 3 - Available now
Please login or register for trade pricing.

Associated Products
^ denotes Non-Returnable Product.



Technical Specification
ModelBasic device
Performance level according to EN ISO 13849-1Level e
Rated control supply voltage Us at DC24...24 V
SIL according to IEC 615083
Voltage type for actuatingDC
Width45 mm
Features and Benefits
  • Safe standstill detection on three-phase and single-phase motors
  • Performance Level is PLe
  • Category 4 to EN ISO13849-1: 2008
  • SIL Claimed Level (SIL CL) 3 to IEC/EN 62061
  • Safety integrity level (SIL) 3 to IEC/EN 61508 and IEC/EN 61511
  • No external sensors necessary
  • Standstill detection independent of direction
  • Broken wire detection
  • Three N.O. contacts, one N.C. contact for up to AC 250V
  • Two semiconductor monitored outputs
  • One monitored output (N.O. contact)
  • Adjustable voltage setting
  • Adjustable standstill time delay
  • LED indicators for standstill, event of line breakage and operation voltage
  • Suitable for operation with inverters
  • Removable screw terminals
Resources / Data Sheets
User Manual
Installation Instructions
Certificate of Conformity


IMPORTANT: Please note that all product information, associated resources and links to third party websites contained within our website have been prepared solely for the purpose of providing general information only. All information is provided in good faith as a convenience to you and may be used for information purposes and guidance only and at all times in accordance with our Terms & Conditions of sale. Due to the reliance on third party data, we are unable to guarantee that the content on our sites is accurate, complete or up-to-date at any given time and it is recommended that if you are unsure if a product will fulfil all of your requirements that you always seek specialist advice from your local Routeco branch before making your selection.