• Dual-Action Safety Tracking: Combines a high-precision scattered-light smoke sensor with a responsive heat thermistor array.
• Advanced German Intelligence: Employs Intelligent Signal Processing algorithms to analyze fire profiles and stop false alarms.
• Pre-Packaged Hardware Combo: Ships completely integrated with an authentic, heavy-duty Bosch MS 400 B mounting base.
• Scalable Loop Infrastructure: Includes built-in rotary switches for manual or automated LSN improved node configuration.
• Certified Commercial Protection: Officially VdS Approved and EN 54 compliant for dependable industrial area coverage.
The Bosch FAP-425-OT-R Series Addressable Analog multi-sensor fire detector represents the highest standard of European life-safety engineering. Engineered by Bosch in Germany and manufactured to absolute precision in Portugal, the Bosch FAP-425-OT-R delivers uncompromising structural protection.
The dual-action detection principles inside the Bosch FAP-425-OT-R provide exceptional stability against deceptive environmental phenomena. By pairing the advanced dual-sensor core with the included authentic MS 400 B base, the Bosch FAP-425-OT-R establishes a rock-solid safety foundation.
| Model Assignment | FAP-425-OT-R (Optical-Thermal Head Core) + MS 400 B (Bosch Branded Base Assembly) |
| Manufacturer Family | AVENAR detector 4000 Series by BOSCH Security Systems |
| Country of Origin | Germany (Engineered) / Portugal (Manufactured) |
| Compliance Approvals | VdS Approved (G214097 / G119018), CE Certified, CPR, EN 54-5, EN 54-7 |
| Operating Voltage Limits | 15 V DC to 33 V DC (LSN improved loop infrastructure) |
| Standby Current Draw | Ultra-low < 0.55 mA standard operational current consumption |
| Sensing Core Technology | Scattered Light Chamber combined with an internal Thermistor Resistance Network |
| Maximum Monitoring Area | Up to 120 m² of comprehensive fire safety coverage boundaries |
| Installation Height Limit | Certified for ceiling heights up to 16 meters maximum vertical placement |
| Onboard Addressing System | 3 Integrated rotary switches supporting manual setting or full auto-addressing |
| Housing Enclosure Build | Durable ABS Plastic (Novodur), White Matt Finish (Similar to RAL 9010) |
| Physical Dimensions | Ø 99.5 mm x 52 mm (Head Only) / Ø 120 mm x 63.5 mm (Mounted with Base) |
| Environmental Boundaries | -20°C to +50°C operating parameters; Max 95% RH non-condensing limits |
| Visual Type Identification | Distinctive single black loop ring color code surrounding the central LED lens |
Verify maximum loop capacities up to 254 elements, line drops, and T-tap topological configurations before completing node setups for your Bosch FAP-425-OT-R deployment.
📥 Download Official Bosch FAP-425-OT-R Technical Submittal Datasheet
The core electronic advantage of integrating the comprehensive Bosch FAP-425-OT-R interactive multi-sensor detector is its advanced algorithmic processing layer. The internal microprocessor of the Bosch FAP-425-OT-R continuously evaluates incoming optical scattered-light and thermal voltage data points simultaneously. Furthermore, the premium network architecture of the Bosch FAP-425-OT-R provides extensive flexibility for custom facility scripting.
Installers can use the three built-in rotary switches on the frame to manually configure network addresses up to 254 elements on a single wire loop. Alternatively, keeping the switches of the Bosch FAP-425-OT-R set to zero passes full configuration control to automated auto-addressing software grids. The companion MS 400 B branded base features accessible terminal blocks that comfortably support field wire gauge runs up to 2.5 mm² easily.
To verify compliance profiles and secure reference validation, browse technical parameters on the main Bosch Security and Safety Systems Hub.
Q1: What is the main operational advantage of the Bosch FAP-425-OT-R multi-sensor design?
A: The Bosch FAP-425-OT-R links its optical and thermal sensors through a microprocessor, checking smoke and heat curves together to verify real fires and stop false alarms.
Q2: What is the purpose of the MS 400 B model code base included with this unit?
A: The MS 400 B is an original Bosch-branded mounting base that handles surface and flush conduit wire entry, providing screw terminals for cable cross-sections up to 2.5 mm².
Q3: How do you configure the loop address paths on the Bosch FAP-425-OT-R?
A: The device has three bottom-mounted rotary switches. Technicians can manually select a hardware address code between 1 and 254, or keep them at 000 for automatic configuration.
Q4: How do safety field teams visually distinguish this model from other AVENAR units?
A: The Bosch FAP-425-OT-R features a single black concentric ring color code wrapped around the central LED indicator, allowing fast identification during structural inspections.
Q5: Can the Bosch FAP-425-OT-R smoke sensor threshold be adjusted for dusty warehouses?
A: Yes. Individual sensor sensitivity levels and location field parameters can be customized seamlessly via the FSP-5000-RPS programming software suite.
Q6: What are the exact physical mounting boundaries for this multi-sensor detector assembly?
A: Under standard commercial rules, one unit covers a maximum monitoring area up to 120 m² and can be installed at a maximum ceiling height limit up to 16 meters.
Q7: What maintenance options does the Bosch FAP-425-OT-R housing provide?
A: The shell includes an integrated Chamber Maid Plug on the bottom face, letting maintenance teams blow out dust accumulations from the optical labyrinth with simple compressed air.
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