25
Table 20. Application to opening/closing of primary side of transformer
Single-phase transformer A (kVA) 3-phase transformer A (kVA) Frame
200 ～ 240V 380 ～ 440V 500 ～ 550V 200 ～ 240V 380 ～ 440V 500 ～ 550V
H20,HS20 8 (1.6) 6.8 (2.5) 4.8 (2.4) 10 (3.4) 8.5 (5.6) 6 (5.2)
H25,HS25 10.5 (2) 9.6 (3.6) 4.8 (2.4) 13 (4.5) 12 (7.9) 6 (5.2)
H35,HS35 14 (2.8) 12.5 (4.8) 9.2 (4.6) 17.5 (6) 16 (10.5) 11.5 (10)
H50,HS50 20 (4) 18.5 (7) 14.5 (7.4) 25 (8.6) 23 (15) 18.5 (16)
H65C 26 (5.2) 26 (9.8) 20 (10.5) 32 (11) 32 (21) 26 (22)
H80C 32 (6.4) 32 (12) 28 (14.5) 40 (13.5) 40 (26) 36 (31)
H100C 40 (8) 40 (15) 28 (14.5) 50 (17) 50 (33) 36 (31)
H125C 50 (l0) 50 (19) 32 (16) 62 (21) 62 (41) 40 (34)
H150C 60 (12) 60 (22) 32 (16) 75 (26) 75 (50) 40 (34)
H200C 72 (14.5) 72 (27) 58 (29) 90 (31) 90 (60) 72 (62)
H250C 96 (19) 96 (36) 58 (29) 120 (41) 120 (80) 72 (62)
H300C 120 (24) 120 (45) 100 (50) 150 (52) 150 (100) 125 (110)
H400C 160 (32) 160 (60) 140 (70) 200 (70) 200 (130) 175 (150)
H600C 240 (48) 240 (90) 200 (100) 300 (105) 300 (200) 250 (215)
Remarks : 1. Applicable to the case where the rush current of transformer is less than 20 times the rated current.
2. In case the rush current of transformer is more than 20 times the rated current or considerably
small, please consult with us.
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