Indfos PSM-520-400 Pressure Switch

Product Summary:
The Indfos PSM-520-400 is a robust pressure switch designed for accurate pressure regulation in air, water, and hydraulic systems. Engineered for long life and consistent performance, it is widely used across HVAC, process automation, and fluid handling industries.

Key Features:

• Setpoint range: 100–400 psi (7–28 kg/cm²)

• Factory-set cut-out: 100 psi

• Repeatability: ±2%

• Electrical rating: 15 A, 220 VAC

• Diaphragm actuated with SPDT contacts

• Die-cast aluminum enclosure with IP54 protection

• Compact design and easy mounting

Applications:

• HVAC pressure control

• Water booster pumps

• Air compressors

• Process automation systems

• Industrial machinery and hydraulics

Product Benefits:

• Ensures safe pressure regulation

• Reduces downtime and maintenance

• Suitable for high-pressure applications

• Long operating life and high reliability

• Easy installation and compact design

FAQs:

Q1: Can I use the Indfos PSM-520-400 for air compressor applications?
A: Yes, it is suitable for air compressors and other pneumatic systems with pressures up to 400 psi.

Q2: Is the setpoint adjustable in the PSM-520-400?
A: Yes, the pressure setpoint is adjustable between 100–400 psi for flexibility across applications.

Q3: What type of contact does this switch have?
A: It has SPDT (Single Pole Double Throw) contacts, allowing it to be wired for both NO and NC operations.