September 2005Maintenance, Test & Measurement, Calibration
Eurotherm's TU Series quad units with four independent electrically isolated single-phase SCR assemblies mounted on a space saving heatsink are available in four versions. They address the needs of simple resistive and complex loads with communications.
These units handle loads from 25 to 125 A per channel, up to 500 V a.c. They may be used with the model 260 Diagnostic Unit.
The TU1450 is a communicating small frame quad unit available in a 25 A or 40 A rating as a time proportioned SCR for simple resistive loads. It includes front panel LEDs and optional load current measurement. It is available with analog inputs, fast cycle or single cycle firing, PLF detection, alarms, and digital communications with automatic switchover to analog setpoints during communications failure. The TU1470 large frame unit is the same as the TU1450, but extends ratings up to 125 A per channel.
The TU1451/TU1471 quad units add phase angle and fast cycle/soft-start firing options for control of simple resistive, variable resistive, IR and inductive heating loads to both the small and large frame TU1450/ TU1470 models.
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