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  • SIL Level 2 approved
  • Ideal for use in oil and gas environments
  • User selectable modes
  • Incorporates Fixed Temperature and Rate of Rise Heat elements
  • Twin LEDs allow 360° viewing – green when polling, amber when isolating, red in fire
  • Pulsing/non-pulsing controlled from panel
  • Electronically Addressed
  • LPCB & Vds approved to Classes A1, B & C

Model ATJ-EN/SIL is a Heat Sensor, which has been independently assessed and approved for use in a SIL2, low demand safety function with regards to random failure rates.

The ATJ-EN/SIL incorporates a Variable Temperature heat element and a Rate of Rise heat element, both of which are controlled from the Control Panel, allowing either thermal element or both elements simultaneously to be active in making the fire decision. The sensor polling LEDs can also be controlled via the Control Panel (pulsing/non-pulsing).

More Information
Manufacturer Hochiki
Approvals EN 54-5
Type of Tecnology Heat detector, Thermo-ceiling, Rate of rise
IP Rate IP42
Analog Protocol No Protocol - Conventional
addressing Yes
Intrinsically Safe No
Electrical Specifications 17 - 41 V dc
Operating Temperature Range -30°C a +60°C
Relay No
Marine Approved No
SIL Approved Yes
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