Bus PIR& MW motion detector JA-120PW View larger

Bus PIR& MW motion detector JA-120PW

JA-120PW

New product

JABLOTRON ALARMS S.A.

The JA-120PW is a BUS motion detector combining passive infrared (PIR) and microwave (MW) sensors to reduce false alarms. The MW module is triggered only after the PIR detects motion. Addressable device, powered from the control panel BUS (12 V).

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Data sheet

Connection method BUS

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JA-120PW – BUS PIR & MW motion detector

The JA-120PW is designed for reliable indoor human motion detection. It combines a PIR sensor with a microwave (MW) sensor: the PIR operates as the primary detector and, upon detection, activates the MW module which confirms or refutes the PIR trigger before an alarm is reported to the control panel. The MW unit remains inactive when the system is disarmed.

Being addressable on the BUS, the detector can be configured and monitored centrally. PIR coverage can be optimised using interchangeable lenses to match installation specifics and reduce blind zones.

Main benefits include increased immunity to false alarms in environments with sudden temperature changes or drafts, selective MW activation only after PIR detection, and full integration into the Jablotron BUS addressing scheme.

Technical specifications

  • Power: from control panel BUS 12 V DC (9 ... 15 V)
  • Current consumption: standby 5 mA; for cable selection 25 mA
  • Recommended mounting height: 2.5 m above floor
  • Detection angle / PIR coverage: 110° / 12 m (standard lens)
  • Detection angle / MW coverage: 24° / 15 m (open space); up to 90° / 15 m in model room
  • MW frequency: 9.35 GHz
  • Dimensions: 60 x 110 x 55 mm; Weight: 110 g
  • Classification: Security grade 2 / Environmental class II (EN 50131-1, EN 50131-2-4)
  • Operating temperature: -10 °C to +40 °C; Average humidity: 75 % RH, non-condensing
  • Certification body: Trezor Test s.r.o. (no. 3025)
  • Standards: ETSI EN 300 440-1, EN 60950-1, EN 50130-4, EN 55022, ERC REC 70-03

Install according to recommended height and lens orientation. Adjust PIR and MW sensitivity via the system configuration to suit the protected area and to minimise false positives. The detector is intended for indoor use and occupies a single BUS address.

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