HQW EC 450 B

HQW EC 450 B

Highly efficient axial fan 1-PH 200-277V 50/60 Hz controllable

Ref.-No. 04931

Features

EC-axial high performance fan Square plate from galvanised sheet steel with additional protection of two coats of papyrus white paint. With powder coated motor side wire guard according to DIN EN ISO 13857. Highly efficient, profiled blade impeller from polymers, aerodynamically optimised to the application, dynamically balanced. Suitable for -30 °C to +60 °C. Energy-saving, speed-controllable EC external rotor motor in protection class IP 54 with highest efficiency. Maintenance-free and interference-free, excellent electromagnetic compatibility (EMC), ball bearing. Integrated electronic temperature monitoring for EC motor and electronics. As standard with an internal potentiometer for setting the control voltage and thus any fan speed between min. and max. speed. Continuously variable control via external speed potentiometer. Control via three-step switch or continuously variable via universal control system or electronic differential pressure/temperature controller possible.

Technical Data

General Information
Ref.-No.:04931
Type:HQW EC 450 B
Flow rate free-blowing:7640 m³/h
RPM:1835 min-1
Voltage:230 V , 1 W , 50 / 60 ph
Rated current (FLC) uncontrolled:3.8 A
Nominal power:820 W
Max. air flow temperature:40 °C
EC technology:
IP protection category:54
PRODUCT_DETAILPAGE_wheel_diameter:450
Weight:17 kg
Wiring diagram no.:1201
Acoustic data
Case breakout 64 dB(A) in 4 m