174 mm
266 mm
128 mm
153 mm
4
www.eltherm.com
4
Operating instructions
Ex – Temperature Controller Ex-TC/…-It
BU 122-It
Revision 2
DESCRIPTION & TECHNICAL DATA
DESCRIPTION
The electronic temperature controller Ex-TC/…-It is part of an eltherm family of microcontroller-supported electronic temper-
ature controllers and limiters. It is designed for operation with electrical trace heating systems and can be used to maintain
temperatures and for frost-protection applications in areas subject to explosion hazard. The control keys and sensor connections
are designed to be intrinsically safe.
All models have a sturdy plastic housing to IP 65 and a mounting base flanged onto the housing that is optimally suited for
mounting pipelines. Depending on the intended purpose, the Ex-TC/... is available as a temperature controller with alarm relay,
temperature controller including RS 485 interface with Modbus protocol or a controller/limiter combination with alarm relay.
The Ex-TC/...-It is able to switch high nominal currents and with its round shape it ensures optimum mechanical safety. The cover
closes quickly with a snap lock, making it easy to handle where it is used. All variants are suitable for use with our self-regulating
heating cables (ELSR) and resistance heating cables (ELK, ELP).
MODELL ARTIKELNUMMER TYP ALARM BUS
Ex-TC / A- It 0X60101 Controller (with collective alarm) x
Ex-TC / AL- It 0X60121 Controller and limiter (with collective alarm) x
Ex-TC / M- It 0X60131 Controller (with Modbus connection) x
MODEL OVERVIEW
MODEL VIEWS
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