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COMPACT FAN HEATER
L (see specifications)
View from below
85 (3.3)
100 (3.9)
85 (3.3)
HGL Series
U Compact Fan Heater for
Increased Heat Output
U Built-In Overheat
Protection
U DIN Rail Mountable
U Maintains Minimum
Operating Temperatures
in Enclosures
U Helps to Prevent
Failure of Electronic
Components Caused
by Condensation
and Corrosion
The HGL Series compact heater
is designed for many different
applications including electrical
and electronic enclosures, display
panels, access and parking control
systems and personnel booths.
To determine the required heater
size follow this equation:
PH = (A x ∆T x k) - Pv
PH = Required heating power for
your application in Watts (W)
Pv = Heating power generated by
existing components (e.g. a
transformer) in Watts (W)
A = Exposed enclosure surface
area square meters (m²)
∆T = Temperature differential
between the desired minimum
interior temperature and lowest
possible external temperature of
the enclosure in Kelvin (K),
1.8°F = 1°C = 1K
k = Heat transmission coefficient
of the enclosure material used:
Stainless Steel: 3.7 W/m²K
Painted Steel: 5.5 W/m²K
Aluminum: 12 W/m²K
Polyester/Plastic: 3.5 W/m²K
For outdoor applications it is
recommended to double the
heating power.
Specifications
Operating Voltage: 110 to 120 Vac,
50/60 Hz
Wattage:
HGL40900: 250 W
HGL41900: 400 W
Heating Element: Micanite
Heat Sink: Extruded aluminum profile,
silver anodized
Surface Temperature: Max 75°C
(167°F)—400 W heater
Overheat Protection: Built-in
temperature limiter
Air Exit Temperature: Approx. 45°C
(113°F) 50 mm (2") above heater
Axial Fan: Ball bearing, 50,000 h
at 25°C (77°F)
Air Flow, Free Blowing, AC:
26 cfm (45 m³/h), 50 Hz; 32 cfm
(54 m³/h), 60 Hz
Connection: Internal termination
AWG 16 max [1.5 mm² (0.06 in
2
],
with strain relief
Mounting: Clip for 35 mm (1.4")
DIN rail (EN 50022)
Operating/Storage Temperature:
-45 to 70°C (-49 to 158°F)
Protection Class: I (grounded)
Protection Type: NEMA 2 (IP20)
Weight:
HGL40900: 1.1 kg (2.4 lb)
HGL41900: 1.4 kg (3.1 lb)
Length (L) (See Drawing Below):
HGL40900: 182 mm (7.2")
HGL41900: 222 mm (8.7")
Control contact
e.g. KT011 thermostat
L
N
30
20
40
50
10
0
60
Heater
Fan Heater HGL046
(AC 120V or 230V)
L
N
Wiring
example
HGL40900 shown
smaller than actual size.
Dimensions:
mm (inch)
To Order
Model No. Description
HGL40900 Fan heater, 250 W, 120 Vac
HGL41900 Fan heater, 400 W, 120 Vac
Comes complete with operator’s manual.
Ordering Example: HGL40900, fan heater, 250 watts.
HT-45
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