Electrical duct heaters EKA are designed to heat fresh air in ventilation systems. Casing (EKA
protection class IP 44, except EKA Type NV which protection class IP 30) is made from Aluzinc coated
steel which is high temperature proof and with rubber seals for duct connection. Heating elements
tube is made from stainless steel AISI 304. There are 2 protection thermostats and screw terminals
for easy connection installed in the heaters.
Heaters can be installed horizontally with the electrical connection box facing upwards or
sideways and vertically (only if the air flow direction upwards). The air velocity in the duct of the
heater must be 1,5 m/s minimum. The maximum temperature of the output is 50 °C.
k
D B
C
D
50 50
A
D+63 B
PS PS C
D
50 50
A
≤1,5 kW (1~230V)
<3,0 kW (2~400V); ≤3,0 kW (3~400V)
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