Protectwell Fire Alarm System Series PW300DSA: Technical Guide & Specifications
Overview
The Protectwell Fire Alarm System (featuring the advanced PW-300DSA Series and PROTECTWELL PW-300P smoke detectors) is engineered for early fire detection and reliable facility protection. Built with microprocessor-based technology, the protectwell fire alarm ecosystem ensures high sensitivity and stability across commercial, industrial, and residential environments.
Integrating a protectwell intelligent touch-screen controller with low-profile detectors delivers a complete, compliant, and efficient solution for modern fire safety management.
System Benefits & Safety Ecosystem
Early Detection: Deploying photoelectric smoke detectors like the PW-300DSA allows for rapid response times, minimizing property loss and operational downtime.
Compliance & Training: Regular drills and adherence to safety standards help businesses reduce legal risks while fostering a secure workplace.
Smart Diagnostics: Advanced sensor technology guarantees dependable activation during emergencies, supported by routine maintenance and testing protocols.
Technical Specifications & Part Numbers
1. PW-300DSA – Intelligent Point-Type Photoelectric Smoke Detector
Detection Type: Light-scattering photoelectric
Power Supply: 17–28 VDC
Current: 300 µA (standby), 1 mA (alarm)
Operating Temperature: –10 °C to 55 °C
Storage Temperature: –40 °C to 80 °C
Housing Material: Flame-retardant white polycarbonate
Weight: 97 g
Dimensions: Ø 99.5 mm × H 40.5 mm
Certifications: GB 4715-2005, EN54-7, CCCF, UL

2. VBS-28DP – Point-Type Photoelectric Smoke Detector
Voltage: 15–32 VDC
Monitoring Current: 300 µA @ 24V
Alarm Current: 1.8 mA
Operating Temperature: –10 °C to 55 °C
Humidity: 5%–95% RH (non-condensing)
Weight: ~74 g
Dimensions: Ø 103 mm × H 44 mm
Compliance: GB 4715-2005, CCC
3. PW-99P Detector
Type: Smart photoelectric smoke detector
Base Compatibility: Compatible with P601 bases
Advanced Features: Electronic coding, drift compensation, adjustable sensitivity, self-diagnostic functions, and strong anti-interference.
4. PMM-3P Interface Module
Type: Conventional detector interface module
Voltage: 15–32 VDC
Max Current: 5.1 mA
Avg Current: 270 µA
End-of-Line Resistance: 3.9 kΩ
Wiring Resistance: ≤25 Ω
Dimensions: 11.43 × 10.16 × 3.17 cm
Addressing: 0–159 (FlashScan), 01–99 (CLIP)
Industrial Applications
Commercial office buildings and retail complexes requiring low-profile safety infrastructure.
Industrial manufacturing plants needing robust, interference-resistant smoke detection.
Residential complexes looking for compliant and reliable life-safety systems.
For more detectors, you are interested in other brands, please refer to:
Tyco 601P-M Optical Smoke Detector
Johnson Controls J-651P Photoelectric Smoke Detector
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