product description
HUBA604 membrane mechanical differential pressure switch is an ideal pressure switch for controlling air flow in air conditioning and ventilation systems. It is also effective in industrial air monitoring applications. The product range has 5 pressure ranges. It is easy to install thanks to the combined bracket, screw terminals and hook cover.
◆ Differential pressure switch is suitable for monitoring the flow control filter, blower and air regulating valve of ventilation system;
◆ Differential pressure switch is also suitable for heating coil overheat protection and industrial cooling circuit frost protection;
◆ Easy to operate and install;
◆ Multiple range switches for high operation accuracy;
◆ Cover only one screw.
Technical Parameters
Relative pressure and differential pressure | 0.2 ~ 50mbar |
medium | Air and neutral gases |
Contact point | 1 SPDT relays |
Maximum withstand voltage | 50mbar |
Repeatability | <± 0.025% mbar |
Contact output | 5A-250VAC, 2A-30VDC |
Protection class | IP54 |
Service life | Mechanical cycle> 100,000 switching operations |
Electrical connection | Screw terminal 6.3 or 4.8mm flat connector (AMP connector) |
Pressure connection | ¢ 6.2mm hose connector Internal thread G1 / 4, mounting bracket or strong clip |
Electrical connection | Screw terminal |
Main application areas
◆ Air-conditioning system, burner equipment, flow monitoring, etc.
◆ Filter flow control monitoring
◆ Flow monitoring of blower ventilation system
◆ Monitoring of air regulating valve
◆ Overheating protection for heating coils and frost protection for industrial cooling circuits
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