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90
60
L
1 2 3 4
200
150
100
50
0
–40
–20
0
20
40
Insulated resistance heater 55 W - 100 W - 147 W
General characteristics
● Compact resistance heater preventing the formation of condensation or frost.
● Designed to ensure good natural convection and high thermal efficiency.
● Compact design with reduced dimensions.
● Extruded aluminium body.
● Covered with a UL94 V0 plastic cover, light grey, to avoid direct contact with the
heating elements.
● Surface temperature limited to < 70 °C.
● Equipped with quick-connection terminals: 2.5 mm
2
.
● Double insulated.
● Range with PTC technology.
● Quick fixing by clip on a 35-mm DIN rail.
● UL and VDE certifications. CE marking.
Conditions of use
● The heaters must be installed with a thermal controller (see selection table
on pages
8/94
and
8/95
) to control the temperature or the humidity inside the
enclosure.
● The enclosure must be sealed to prevent the entry of air from the outside.
● An electrical protection device must be installed on the supply side of the unit.
Specifications
Reference
NSYCR50WU2C NSYCR50WU1C NSYCR50WU3C NSYCR100WU2C NSYCR100WU1C NSYCR100WU3C NSYCR150WU2C NSYCR150WU1C
Power at 0 °C
55 W
100 W
147 W
Voltage
110-250 V AC 12-24 V DC 270-420 V AC 110-250 V AC 12-24 V DC 270-420 V AC 110-250 V AC 12-24 V DC
Technology
PTC
Surface temperature
<70 ºC, except for the top protection grille
Electric connection
4 poles, 2.5 mm
2
Mounting
By clip on 35-mm DIN rail
Cover
UL94 V0 plastic
Operating position
Vertical
Operating temperature
–40...+70 ºC –10...+158 ºF
IP protection rating
IP 20 class II (double insulated)
Certifications
VDE and UL
Height (H)
110 mm
150 mm
NSYCR50WU2C
NSYCR100WU2C
NSYCR150WU2C
Performance diagram
Diagram of heating power / ambient temperature
Ambient temperature (ºC)
Heating
power (W)
Dimensions
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