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2
Automatic Transfer Switch model:
125A-4P-di
250A-4P-di
630A-4P-di
Poles
Rated working current (A) Ie
Rated working voltage (V) Ue
Rated insulation voltage (V)Ui
Rated impulse withstand voltage (KV) Uimp
Use category
Rated short time withstand current(KA, rms)Icw
Rated short circuit making capacity (KA peak)Icm
Rated limit short circuit current (KA)Iq
Rated control power supply voltage (V) Us
Contact transfer time (s)
Operation cycles
no electricify
with electricify
Total
Outline size (mm) WxDxH
Weight (kg)
Characteristics
N
R
OFF
S
Device controls
Display controls and indicators
1: Operation mode;
2: Setting status;
3: Generator start signal activity;
4: Fire linkage input activity (ATS stops when fire
linkage input active);
5: Normal (main) power data indication zone;
6: Reserve power data indication zone;
7: Setting mode button;
8: Auto/Manual transfer mode selection button (in the
work mode) and Save/Escape button(in the setting
mode);
9: OFF button (in the manual control mode) and the
value decrease button (in the setting mode);
10: Normal power transfer button (in the manual control
mode) and a page up button (in the setting mode);
11: Reserve power transfer button (in the manual
control mode) and a page up button (in the setting
mode);
12. “+” button: the value increase button (in the setting
mode); the time query menu entrance (click and hold);
start/stop generator test button (in the manual mode);
stop generator exerciser button (during the exerciser
time).
