004701060 Schneider Fan Pressure Differential Switch for HVAC Air Conditioning Ventilation Systems
The Schneider Electric 004701060 Fan Pressure Differential Switch is a precision pressure monitoring device for HVAC fan systems. This switch detects pressure differences across fans, filters, and ductwork to ensure proper airflow and system operation. The device provides reliable monitoring for building automation systems, enabling fault detection and maintenance scheduling based on actual system conditions.
Technical Specifications
- Pressure Range: 20-300 Pa adjustable setpoint
- Switch Type: SPDT (Single Pole Double Throw) micro switch
- Switching Capacity: 15A @ 250V AC, 0.4A @ 250V DC
- Pressure Connection: Two 6mm tube connections for pressure sampling
- Setpoint Adjustment: Internal adjustment screw with scale marking
- Hysteresis: Fixed mechanical hysteresis
- Response Time: <1 second for pressure change detection
- Operating Temperature: -20°C to +85°C ambient
- Storage Temperature: -40°C to +85°C
- Humidity: 0% to 95% RH (non-condensing)
- Housing: Flame-retardant plastic (UL94 V-0)
- Mounting: DIN rail or panel mount with clips
- Protection Rating: IP54
- Electrical Connection: Screw terminal block
- Pressure Tubing: Compatible with 6mm ID tubing
- Certifications: CE, UL, CSA, EN 60730-1
Application Scenarios
- AHU (Air Handling Unit) fan operation monitoring and verification
- Filter clogging detection for maintenance scheduling
- Ductwork pressure monitoring for airflow verification
- Fire damper and smoke control system monitoring
- Laboratory and cleanroom pressure monitoring
- Industrial ventilation system safety monitoring