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1
OVERVIEW
HAT552/HAT553 dual power ATS controller is a dual power transfer module integrated with
configurable function, automatic measurement, LCD display, and digital communication. It combines
digitalization, intelligence and networking together, which realizes automation for measuring and
control process, reducing artificial operation mistakes. It is the ideal product for dual power transfer.
HAT552 is applicable for non-breaking switches, while HAT553 is applicable for non-breaking,
one-breaking, and two-breaking switches.
HAT552/HAT553 dual power ATS controller is made with the microprocessor in the core, which can
precisely measure 2-way 3-phase voltages, make correct judgment and control outputs for occurred
voltage abnormal (over voltage, under voltage, over frequency, under frequency, loss of phase, reverse
phase sequence). It has compact structure, advanced circuits, simple wiring and high reliability, and can
be widely used in electrical automatic control system of electric power, telecommunications, petroleum,
coal, metallurgy, railways, municipal administration, intelligent building etc.
2
MODEL FUNCTION COMPARISON
Type
AC Supply
●
HAT552
(170~277)
V
●
HAT553
(170~277)
V
HAT552/HAT553 Dual Power ATS Controller User Manual
Table 2 Model Comparison
3-stage Switch
2-stage Switch
Control
Control
●
Function
XK 3-stage
Switch
Control
●
●
●
Input
Output
RS485
Num.
Num.
3
4
●
4
6
●
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