Description

Honeywell – DPSN400A Differential Pressure Switch – 40~400 Pa

DETAILS:

Honeywell – DPSN400A Differential Pressure Switch – 40~400 Pa

Product Description:

The Honeywell DPSN400A is a differential pressure switch designed for HVAC and ventilation systems. It is used to monitor filter condition, fan operation, fire damper status, and airflow in air-handling systems. The switch offers an adjustable pressure range of 40~400 Pa and is suitable for air, non-flammable, and non-aggressive gases. It includes pressure tube connections and supports reliable switching for BMS/HVAC control applications. Honeywell lists this range for differential pressure monitoring with adjustable switching point and IP54 protection.

Key Features

• Model: DPSN400A
• Differential pressure range: 40~400 Pa
• Suitable for HVAC and ventilation systems
• Used for filter, fan, airflow, and fire damper monitoring
• Pressure type: differential
• Medium: air and non-aggressive gases
• Adjustable switching point with Pascal scale
• IP54 protection class
• Pressure connection: 6 mm tube connection
• Electrical connection: AMP connectors or screw terminals
• Operating temperature: -20°C to +85°C
• Switching capacity: 1.5A @ 250VAC
• Suitable for BMS and AHU applications