WORLD MAGNETICS DIFFERENTIAL PRESSURE SWITCH 171D8WC-S-DC, 0.15-8" H2O RANGE

Description:

The World Magnetics 171D8WC-S-DC Differential Pressure Switch is an industrial low-pressure monitoring device used in air handling and pneumatic pressure control systems to detect differential pressure changes within a 0.15–8" H2O operating range. Commonly installed in HVAC systems, air filtration equipment, clean rooms, industrial ventilation systems, and pneumatic process applications requiring accurate low-pressure monitoring and switching control. Maintenance technicians, HVAC system integrators, and industrial operators use this pressure switch for airflow monitoring, filter status detection, replacement maintenance, and automated pressure control applications.

Applications:

The World Magnetics 171D8WC-S-DC Differential Pressure Switch is designed for industrial and commercial systems where precise low differential air pressure detection is critical for operational safety and equipment performance. It is commonly used in HVAC airflow proving systems, filter monitoring assemblies, clean room pressure regulation, industrial ventilation equipment, dust collection systems, and process air handling applications where dependable differential pressure switching helps maintain airflow efficiency and system reliability.

Technical Specifications:

• Brand: World Magnetics
• Part Number: 171D8WC-S-DC
• Product Type: Differential Pressure Switch
• Pressure Range: 0.15–8.0" H2O
• Pressure Range Metric: 0.37–20 mbar
• Current Type: DC
• Switch Rating: 0.75 Amp at 75 VDC
• Switch Type: SPDT Snap Action
• Function: Differential air pressure monitoring and switching
• Pressure Ports: 1/8-27 NPT Female
• Housing Material: Zinc die cast with aluminum electrical box
• Diaphragm Material: Silicone PE cloth diaphragm
• Electrical Connection: Screw terminals
• Mechanical Life: 1,000,000 cycles
• Temperature Range: -30°F to 160°F (-34°C to 71°C)
• Proof Pressure: Up to 40" H2O depending on configuration
• Mounting Orientation: Vertical surface mounting
• Environmental Features: Shock and vibration resistant, chemical-resistant finish available
• Certifications/Standards: MIL-S-901-D and MIL-STD-167-1 vibration and shock resistance
• Application Type: HVAC, airflow monitoring, industrial ventilation, pneumatic systems
• Weight: Approximately 2.5 lbs

Common Replacements:

• Dwyer Differential Pressure Switch
• United Electric Differential Pressure Switch
• Ashcroft Low Pressure Differential Switch