High Sensitivity 4-Wire Smoke Heat Detector with Relay Output DC9-28V for Power Cabinet and Charging Pile

This 4-wire smoke and heat detector with relay output is specifically designed for industrial control equipment, power cabinets, charging piles, and fire warning systems. Engineered with high sensitivity, stability, and reliability, it features low power consumption and exceptional durability for long-term performance.

Press the detection button to verify all alarm functions. The alarm light flashes rapidly accompanied by fast beeping sounds.

Under normal conditions, the detector indicator flashes every 4 seconds. The unit continuously monitors environmental temperature changes. When temperature reaches the preset fire alarm threshold of 62±2°C, the detector activates with rapid blinking lights, buzzer alerts, and output actions that persist until power is disconnected or temperature returns to normal.

Features passive contact output with 24V/1A contact capacity. Available in both Normally Closed (NC) and Normally Open (NO) output configurations.

1. Drill two 5mm diameter mounting holes on ceiling spaced 43-62.5mm apart
2. Secure alarm base with plug and screws
3. Connect power and output lines
4. Install detector onto base in correct orientation
5. Press down and tighten clockwise
6. Power on the unit for operation

• Conventional Fire Alarm Systems
• Addressable Fire Alarm Systems
• Gas Extinguishing Control Systems
• Beam Detector Systems
• 4-Wire Smoke Detectors with Relay Output
• 2-Wire Conventional Smoke and Heat Detectors
• Explosion-Proof Flame Detectors
• Standalone Smoke Detectors and Combustible Gas Detectors

• OEM & ODM Services Available
• Comprehensive Technical Support and After-Sales Service
• 1-Year Warranty Coverage
• Standard Lead Time: 15 Working Days
• Sample Orders Welcome