Harmann - automation - PSW differential pressure switch

Differential pressure switch with silicone diaphragm. It monitors the pressure level in the ventilation system - controls the condition of the filter, protection of heaters and other heating elements, flow, monitors fire dampers and dampers.

Technical data

• housing adjuster
• potential-free switching contact (change of the switch when the set differential pressure is reached)
• maximum working pressure 2500 Pa
• degree of protection IP 54
• vertical assembly (recommended)
• setting the desired pressure level with a screwdriver
• contact parameters at 250 V, AC1: 1.5 A / AC3: 0.4 A (VDE 0630, EN 1854)
• maximum working temperature 85 C

Note: Tubing and probes must be purchased separately.