UPS2000-A-(6 kVA-10 kVA)
User Manual
Copyright © Huawei Technologies Co., Ltd.
Table 3-4 Rated voltages and currents for backfeed protection contactors
Rated Voltage and Current
Recommended
Contactor Model
220, 230, or 240 V AC, 40 A
LC1-D40A (Schneider
contactor)
208, 220, 230, or 240 V AC, 40 A
Single-phase:
LC1-D40A (Schneider
contactor)
Dual-live-wire:
AF50-30-11*70 (ABB)
220, 230, or 240 V AC, 65 A
LC1-D50A (Schneider
contactor)
208, 220, 230, or 240 V AC, 65 A
Single-phase:
LC1-D50A (Schneider
contactor)
Dual-live-wire:
AF50-30-11*70 (ABB)
Table 3-5 Control relay parameters
HF18FF/012 (HONGFA control relay)
Dry contact: NC
Breaking capability: 250 V AC, 5 A
Coil: 12 V rated voltage; rated current of
less than 1 A
MY2N-J DC12V (OMRON control relay)
HJ2-L-DC12V (Panasonic control relay)
3.4.2 Feedback Prevention Connections (With Dry Contract
Control)
Figure 3-25 and Figure 3-26 show backfeed protection connections (with dry contract
control).
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