Omega Products CR2700900 User Manual
FAN HEATER
0°C
32°F
700
600
500
300
400
-20°C
-4° F
-10°C
14°F
10°C
50°F
20°C
68°F
30°C
86°F
550 W
400 W
heater
800
650 W
heater
heater
Heating Power Relative to Ambient Te mp e ra ture
Ambient Temperature
Heating Power (W)
For spacing, add 51 mm (2'') clearance
to heat sensitive parts
160 (6.3)
165 (6.5)
100 (3.94)
124 (4.8)
128 (5)
CR27 Series
Starts at
$
166
⻬ Compact Fan Heater in
PTC Technology
⻬ Heating Power Adjusts
to Ambient Temperature
⻬ Integrated Adjustable
Thermostat and Control
Light
⻬ DIN Rail Mountable
An easy DIN rail mountable design
makes the CR27 Series fan heater
an ideal accessory for any
enclosure. The CR27 maintains
minimum operating temperatures in
enclosures and helps to prevent
failure of electronic components
caused by condensation and
corrosion.
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
Heating Element: PTC-semiconductor/
resistor, self-regulating with changing
ambient temperaure (see graph)
Thermostat Range: 0 to 60°C
(32 to 140°F)
Overheat Protection: Built-in
temperature limit in case of fan failure
Function Control Light: LED
Housing: Plastic, UL94V-0
Dimensions:
165 H x 100 W x 128 mm D
(6.5 x 3.94 x 5")
Connection: 2-pole
terminal, 2.5 mm²
(AWG 14 max)
Mounting: Clip for
35 mm DIN rail
(EN 50022)
Protection Class:
II (double insulated)
Protection Type:
NEMA 2 (IP20)
Axial Fan (Ball Bearing):
CR2700900,
CR2700901:
3
35 m
/h (20 cfm)
CR2701900,
CR2701901:
3
45 m
/h (26 cfm)
CR2701900,
$186, shown
smaller than
actual size.
Max Current (Inrush):
CR2700900,
CR2700901: 14 A
CR2701900,
CR2701901: 15 A
Weight:
CR2700900,
CR2700901: 0.9 kg (2 lb),
CR2701900,
CR2701901: 1.1 kg (2.4 lb)
Dimensions: mm (in)
Back View
Top View
Side View
MOST POPULAR MODELS HIGHLIGHTED!
To Order (Specify Model Number)
Model No. Price Description
CR2700900 $166 Fan heater, 550 W, 120 Vac, with adjustable
CR2700901 166 Fan heater, 550 W, 120 Vac, with adjustable
CR2701900 186 Fan heater, 650 W, 120 Vac, with adjustable
CR2701901 186 Fan heater, 650 W, 120 Vac, with adjustable
XBANS3575P 9 DIN rail 35 x 7.5 mm x 2 m (1.4 x 0.30" x 6') slotted
Comes complete with operator’s manual.
Ordering Examples: CR2700900, fan heater, 550 W, 120 Vac, with adjustable thermostat
32 to 140°F, $166.
CR2701901, fan heater, 650 W, 120V, with adjustable thermostat, 0 to 60°C, $186.
HT-44
thermostat 32 to 140°F
thermostat 0 to 60°C
thermostat 32 to 140°F
thermostat 0 to 60°C
ELECTRIC HEATERS
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