> >>>>JAB JA-111ST-A-AN combined smoke and heat detector (BUS)
New JAB JA-111ST-A-AN combined smoke and heat detector (BUS) View larger

JAB JA-111ST-A-AN combined smoke and heat detector (BUS)

JA-111ST-A-AN

New product

The JAB JA-111ST-A-AN is a BUS combined smoke and heat detector with an optical smoke chamber and an A1-class heat sensor for reliable detection of different fire types. Powered via 12 V BUS (9–15 V) with 3×AA battery backup; features LED and acoustic signalling and EN 54 compliance.

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JAB JA-111ST-A-AN is a BUS combined smoke and heat detector designed for indoor fire detection in residential and commercial buildings. The unit integrates an optical smoke chamber (light scattering principle) and an A1-class heat sensor to improve detection coverage across a variety of fire scenarios while helping to reduce false alarms.

The suffix -AN denotes an anthracite finish; electrical and detection characteristics are identical to the JA-111ST-A family. Primary power is supplied from the control panel via the system BUS (12 V DC, operating range 9–15 V). If BUS power or communication is lost, the detector can operate autonomously on three 1.5 V AA batteries (alkaline or FR6 lithium), maintaining protection in accordance with EN 14604. Typical battery life is approximately 3 years under recommended conditions.

Key features

  • Optical smoke detection, sensitivity m = 0.11–0.13 dB/m.
  • Heat detection class A1, alarm threshold around +60 °C to +65 °C.
  • Power: BUS 12 V (9–15 V) with 3×AA battery backup; integrated LED and acoustic signalling.
  • Standards: EN 14604, EN 54-5, EN 54-7 and applicable EMC requirements.
  • Dimensions: Ø 126 mm, height 52 mm; weight ≈ 150 g (without batteries).

Install the detector on the ceiling where smoke can naturally reach it, preferably centrally in the room. Avoid placing it in kitchens above work surfaces, near HVAC outlets, in dusty environments or where strong airflows may cause false alarms.

Commissioning and enrolment into the alarm system must be performed by a trained installer using F-Link software or the procedure described in the manual. Correct configuration and system tests ensure reliable communication and supervision.

Maintenance: perform regular functional tests (test button or service mode), clean the sensing chamber as recommended and replace batteries promptly to ensure long-term reliable operation.

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