ETR2-1550 Controller

Thermostats and ControlsOutdoor and industrial controls

ETR2-1550 Controller

A single-zone controller for frost protection of pavements and driveways, or roof gutters and downpipes.

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Depending on the type of application, the appropriate humidity sensor must be used (ETOR-55 for roof applications or ETOG-55 for ground applications); for roof applications, the ETF-744/99 temperature sensor must also be connected, for ground-level applications, the temperature is measured by the ETOG-55 humidity and temperature sensor, or, as with roof protection, the ETF-744/99 temperature sensor may be used. The temperature sensor is positioned at the ‘coolest’ point of the installation (the north side of the building or a shaded area).

The sensors are not included with the controller; they must be ordered according to the type of application (road and/or roof protection). The ETR2-1550 controller is mounted in a control cabinet on a DIN rail (3 modules).

Technical specifications

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ETR2-1550 Controller
Protection rating	IP 20
Switching current	16 A
Temperature range – ambient	-
Temperature range – sensor	0 … 10°C
Temperature attenuation	-
Operating indicator light	Yes
Hysteresis	0.3°C
On/off switch	no
Code	54V 4200022