Rath Janus

Machine Room Intercoms SHW-MRI

Only available in
The SHW-MRI system by Janus is designed to provide efficient communication between a single or two-car elevator group and the machine room. Designed to work with all Rath and Janus phones, industry leaders in elevator emergency communication.
  • Efficient Installation: SHW-MRI does not require any modification to be done in the elevator car or any additional phone lines allowing installation to be completed in an average of 20 minutes
  • Small, Compact Size: Compact but powerful footprint allows for an SHW-MRI to be installed to be installed on any wall, even if construction is completed, making it an effective solution for small retrofit installations
  • All components are engineered to meet current industry codes, ensuring reliability and peace of mind

SHW-MRI-1 includes one built-in phone and a Stainless Steel enclosure
SHW-MRI-2 includes 2 built-in phones and a Stainless Steel enclosure

Dimensions: 9-3/16" H X 9-3/16" W X 5" D

Additional Features:

  • Supplied with standard 24vdc/0.5A transformer
  • Easy 20 minute installation
  • No additional wiring required
  • No modification needed in the elevator car
  • Works with any existing elevator phone
  • Built-in safety timeout
  • When not in use, the MRI allows the phone unrestricted access to the telephone line


  • Weight: 6 lbs.
  • Operating current: 130mA
  • Operating Voltage: 24vdc
  • Relative Humidity: Up to 95% (non-condensing)
  • Storage Temperature Range: -4° to 158° F
  • Operating Temp: 32° to 122° F

Warranty: 2 years

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