● L11-N1、B-N1: The terminal for Bypass Input to provide the power source when
the UPS is working under bypass mode
● L12-N1、R-S-T-N1: The terminal for Utility Input to provide the power source when
the UPS is working under Utility mode
● G1: The terminal for UPS Input Ground
● L21、 L23、N21、L22、N22: The terminals for UPS Output
● G2: The terminal for UPS Output Ground
Remarks:
1. The maximum current for each terminal is 30Arms for 5/6kVA, 50Arms for 10kVA
and 100Arms for 15/20kVA.
2. If the UPS is DIM (Dual Input) type whose Utility and Bypass Sources are the
same, L11 and L12 would have to be shorted for 1-phase input model, and short
B and R for 3-phase input model.
3. If the UPS is SIM (Single Input) type, only AC source can be supplied to UPS
from L12-N1 terminal for 1-phase input model and R-S-T-N1 terminal for 3-phase
input model.
4. When the Isolation transformer is NOT installed into the tower type UPS, the
UPS output terminals will be L22-N22..
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