Bosch Blue Line Quad PIR Detector 12m BPQ2-W12
The Bosch BPQ2-W12 is a Blue Line Gen2 Quad PIR motion detector. It uses two independent PIR sensors that must both detect a target before it raises an alarm, which gives strong, fast catch performance while filtering out the noise and minor disturbances that cause false alarms. It covers 12 m x 12 m wall-to-wall and is a wired detector for a hardwired Bosch alarm panel.
Key points
- Quad PIR: two independent PIR sensors must both activate to alarm
- 12 m x 12 m (40 ft) wall-to-wall coverage, 99° angle
- First Step Processing and dynamic temperature compensation
- Sealed optics and electronics for reliable performance
- Wired detector: normally-closed relay alarm output plus tamper
- Mounting height 2.2 m to 2.75 m, no field adjustments; EN50131 Grade 2
- Note: this is not a pet-immune model; for pets choose a TriTech WP detector
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§ 01Overview
What the BPQ2-W12 is
The Bosch BPQ2-W12 is a Blue Line Gen2 Quad PIR detector built for dependable catch performance. Rather than one PIR sensor, it uses two that each process the signal separately, and both must activate before it generates an alarm. The result is fast, reliable detection of a real intruder while small disturbances and noise that would trigger a single PIR are filtered out, reducing false alarms.
It is easy to install and trust. First Step Processing sets the sensitivity automatically based on signal amplitude, polarity, slope and timing, so there is nothing to adjust in the field, and dynamic temperature compensation keeps it accurate from cold mornings to hot afternoons. The optics and electronics are sealed into the front enclosure to keep drafts and insects out, and the externally visible alarm LED can be disabled after setup. Coverage is 12 m x 12 m wall-to-wall at a 99° angle.
Two honest points: it is a wired detector with a normally-closed relay output and tamper, made for a hardwired Bosch alarm panel, not a wireless unit. And while its dual-PIR design rejects a lot of false-alarm sources, it is not a pet-immunity model — for homes with pets, choose a pet-friendly TriTech detector such as the BDL2-WP12G instead. The BPQ2-W12 is EN50131 Grade 2 certified and genuine Bosch stock with local warranty.
§ 02Engineering
BPQ2-W12 specifications
- Strong catch performance with fewer false alarms from noise and minor movement
- 12 m x 12 m (40 ft) wall-to-wall coverage at a 99 degree angle
- First Step Processing auto-sets sensitivity; no field adjustments needed
- Dynamic temperature compensation for accuracy in any climate
- Sealed optics and electronics; externally visible alarm LED can be disabled after install
- Wired detector: supervised normally-closed relay alarm output plus cover tamper
- 9 to 15 VDC, 10 mA; mounting height 2.2 m to 2.75 m; EN50131-2-2 Grade 2; 3-year warranty
§ 03Full datasheet
Detailed specifications
Lens & Distance
| Feature | Detail |
|---|---|
| Coverage | 12 m x 12 m (40 ft x 40 ft) wall-to-wall coverage; 99° detection angle |
| Mounting Height | 2.2 m to 2.75 m (7.5 ft to 9 ft) — no adjustments required |
AI & Deep Learning
| Feature | Detail |
|---|---|
| Detection Technology | Quad PIR — two individual PIR sensors operating like two PIRs in one detector; each processes signals separately and both must activate to generate an alarm |
| First Step Processing (FSP) | Almost instantly responds to human targets without producing false alarms; adjusts sensitivity based on signal amplitude, polarity, slope, and timing |
| Dynamic Temperature Compensation | Detector intelligently adjusts its sensitivity to identify human intruders at virtually any temperature |
| Sealed Optics and Electronics | Optics and electronics are assembled into the front enclosure and sealed with a protective cover; sealed optical chamber prevents drafts and insects from affecting the detector |
Event & Alarm
| Feature | Detail |
|---|---|
| Tamper | Normally-closed (NC) contacts (with cover on) rated for ≤100 mA, 25 VDC, 2.5 W; connect tamper circuit to 24-hour protection circuit |
| Test Features | Externally visible alarm LED can be disabled after installation |
Interface
| Feature | Detail |
|---|---|
| Relay Output | Solid state, supervised, Form A normally-closed (NC) contacts rated for ≤100 mA, 25 VDC, 2.5 W, <20 Ω closed |
General & Environment
| Feature | Detail |
|---|---|
| Current (alarm/standby) | 10 mA at 12 VDC |
| Voltage (operating) | 9 VDC to 15 VDC |
| Environment | Complies with EN50130-5 Class II |
| Relative Humidity | 0 to 95%, non-condensing | For UL Listed product installations: 0 to 85%, non-condensing |
| Temperature (operating) | -30°C to +55°C (-20°F to +130°F) | For UL Listed product installations: 0°C to +49°C (+32°F to +120°F) |
| Color | white |
| Dimensions | 105 mm x 61 mm x 44 mm (4.2 in. x 2.4 in. x 1.7 in.) |
| Material | High-impact ABS plastic |
| Radio Frequency Interference (RFI) Immunity | No alarm or setup on critical frequencies in the range from 150 kHz to 2 GHz at field strengths less than 30 V/m |
| Mounting Options | On a flat wall (surface, semi-flush) with optional B335-3 swiveling low-profile mount or B328 gimbal-mount bracket; in a corner; on the ceiling with optional B338 universal ceiling-mount bracket |
| Certifications | Europe: CE EMC, LVD, RoHS; EN50131-2-2 Grade 2; EN50130-5 Class II; EN60529, EN50102 (IP30, IK04); RoHS Directive 2002/95/EC | Belgium: INCERT B-509-0051 | USA: UL 20190115; UL639 | Canada: ULC CAN/ULC S306-03 | France: AFNOR N2620200002A0 | Sweden: INTYG 11-267 | the Netherlands: NCP | Bulgaria: GD FSPP |
| Lens & Distance — Coverage | 12 m x 12 m (40 ft x 40 ft) wall-to-wall coverage; 99° detection angle |
|---|---|
| Lens & Distance — Mounting Height | 2.2 m to 2.75 m (7.5 ft to 9 ft) — no adjustments required |
| AI & Deep Learning — Detection Technology | Quad PIR — two individual PIR sensors operating like two PIRs in one detector; each processes signals separately and both must activate to generate an alarm |
| AI & Deep Learning — First Step Processing (FSP) | Almost instantly responds to human targets without producing false alarms; adjusts sensitivity based on signal amplitude, polarity, slope, and timing |
| AI & Deep Learning — Dynamic Temperature Compensation | Detector intelligently adjusts its sensitivity to identify human intruders at virtually any temperature |
| AI & Deep Learning — Sealed Optics and Electronics | Optics and electronics are assembled into the front enclosure and sealed with a protective cover; sealed optical chamber prevents drafts and insects from affecting the detector |
| Event & Alarm — Tamper | Normally-closed (NC) contacts (with cover on) rated for ≤100 mA, 25 VDC, 2.5 W; connect tamper circuit to 24-hour protection circuit |
| Event & Alarm — Test Features | Externally visible alarm LED can be disabled after installation |
| Interface — Relay Output | Solid state, supervised, Form A normally-closed (NC) contacts rated for ≤100 mA, 25 VDC, 2.5 W, <20 Ω closed |
| General & Environment — Current (alarm/standby) | 10 mA at 12 VDC |
| General & Environment — Voltage (operating) | 9 VDC to 15 VDC |
| General & Environment — Environment | Complies with EN50130-5 Class II |
| General & Environment — Relative Humidity | 0 to 95%, non-condensing | For UL Listed product installations: 0 to 85%, non-condensing |
| General & Environment — Temperature (operating) | -30°C to +55°C (-20°F to +130°F) | For UL Listed product installations: 0°C to +49°C (+32°F to +120°F) |
| General & Environment — Color | white |
| General & Environment — Dimensions | 105 mm x 61 mm x 44 mm (4.2 in. x 2.4 in. x 1.7 in.) |
| General & Environment — Material | High-impact ABS plastic |
| General & Environment — Radio Frequency Interference (RFI) Immunity | No alarm or setup on critical frequencies in the range from 150 kHz to 2 GHz at field strengths less than 30 V/m |
| General & Environment — Mounting Options | On a flat wall (surface, semi-flush) with optional B335-3 swiveling low-profile mount or B328 gimbal-mount bracket; in a corner; on the ceiling with optional B338 universal ceiling-mount bracket |
| General & Environment — Certifications | Europe: CE EMC, LVD, RoHS; EN50131-2-2 Grade 2; EN50130-5 Class II; EN60529, EN50102 (IP30, IK04); RoHS Directive 2002/95/EC | Belgium: INCERT B-509-0051 | USA: UL 20190115; UL639 | Canada: ULC CAN/ULC S306-03 | France: AFNOR N2620200002A0 | Sweden: INTYG 11-267 | the Netherlands: NCP | Bulgaria: GD FSPP |
§ 04Why choose this
Built for the way you actually use the BPQ2-W12
Fewer nuisance trips
Requiring both sensors to activate, plus First Step Processing, rejects the small disturbances that make single-PIR detectors false-alarm.
Nothing to adjust
Automatic sensitivity and built-in temperature compensation mean you mount it at the right height and walk-test — no field tuning.
Flexible mounting
Wall, corner or ceiling mounting with optional brackets lets you aim the coverage where the room needs it.
§ 05Where it fits
Right at home in these scenarios
Living rooms and offices
Cover a 12 m x 12 m room wall-to-wall from a single wall or corner position.
Pet-free areas
Protect rooms without pets where catch performance and false-alarm rejection matter most.
Hallways and entries
Watch a corridor or entry where you want fast, reliable detection of anyone moving through.
Upgrading an unreliable detector
Replace an older PIR that nuisance-trips with a dual-PIR detector for steadier operation.
§ 06Setup
Installation & setup
What's in the box
One BPQ2-W12 Blue Line Gen2 Quad PIR detector with an installation kit (anchors, screws, cable tie and setup guide). The alarm panel and cabling are not included.
Installation requirements
Mount it level on a wall or in a corner at 2.2 m to 2.75 m, or on a ceiling with the optional B338 bracket. Wire the normally-closed alarm output to a detection zone and the tamper to a 24-hour circuit on your panel, then walk-test the coverage before arming. No field sensitivity adjustment is required.
§ 07Questions
Frequently asked about the BPQ2-W12
Q.01
What is a Quad PIR and how is it different from a normal PIR?
Q.02
Is the BPQ2-W12 pet-immune?
Q.03
Is it wired or wireless?
Q.04
How much area does it cover?
Q.05
How high should I mount it and does it need adjusting?
Q.06
Can I mount it on the ceiling or in a corner?
Q.07
What stops false alarms from sunlight or heaters?
§ 09Bundles
Recommended packages
Connect it to a Bosch panel
Wire it into a Bosch Solution 3000 control panel, or start from a ready-made Solution 3000 alarm kit.
Add a keypad
Arm and disarm at the door with the IUI-SOL-ICON Icon keypad.
Have pets?
For rooms with pets, use a pet-friendly BDL2-WP12G TriTech detector, which ignores animals up to 45 kg.
Mount it on a ceiling
Fit it overhead with the B338 universal ceiling-mount bracket.
