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MRI-4021 / MRI-4021-ISO Photoelectric Smoke & Heat Sensor

The New MRI-4021 / MRI-4021-ISO is a photoelectric & heat sensor that contently monitor the environment in order to provide early warning of a fire condition. It is designed to meet the latest UL 268th 7th edition and CAN/ULC S529 Rev 4 standards.

The New MRI-4021 / MRI-4021-ISO is a photoelectric & heat sensor that contently monitor the environment in order to provide early warning of a fire condition. All MRI-4000 series smoke sensors communicate with panels using a fully digital protocol.

FEATURES

  • Designed to meet UL 268th 7th edition and CAN/ULC S529 Rev 4 standards.
  • Utilize advanced software algorithms to differentiate between genuine fire alarms and false alarms.
  • Protection against nuisance alarms caused by dust, insects, or other debris.
  • Multiple sensitivity settings can be selected through the FACU.
  • Two Heat Detection Settings, Fixed 135° F (57° C) and 135° F with ROR.
  • Dual LED indicators, offering 360° visibility with distinct colors for Alarms and Troubles.
  • Link up to any combination of 240 MRI-4000 series devices on a single SLC loop.
  • Compatible with the full series of MRI-4000 standard/specialty bases, input, and control modules.
  • Sensor is easily addressed through the hand-held device programmer (MIX-4090).
  • Listed for both wall and ceiling mounting using compatible bases.
  • Remote Output can be controlled by the FACU.
  • Supports wire sizes ranging from 12 to 22 AWG.

BENEFITS

  • Open style mounting bases offer easy wiring and low pressure locking
  • In addition, all bases have a detachable tab for easy device address labeling
  • The MRI-4021-ISO has a bi-directional short-circuit isolator in order to protect against wiring faults and loop failure
  • Low standby current
  • Magnet test option helps with commissioning and maintenance

ORDERING INFORMATION

MRI-4021 MULTI-SENSOR DETECTOR W/O ISOLATION
MRI-4021-ISO MULTI-SENSOR DETECTOR WITH ISOLATION

AGENCY LISTINGS

*Please contact local Secutron Sales Representative for regional availability.

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