Delta VFD022B21A - Accessories; Non-Fuse Circuit Breaker Chart

B
VFD-B Series
DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
B-1
ACCESSORIES
B.1 Non-fuse Circuit Breaker Chart
Per UL 508C, paragraph 45.8.4, part a,
1. For 1-phase drives, the current rating of the breaker shall be 4 times maximum of input
current rating.
2. For 3-phase drives, the current rating of the breaker shall be 4 times maximum of output
current rating.
(Note: According to our experience, we suggest to use 1.5 – 2 times maximum of
input/output current rating.)
1-phase 3-phase
Model
Input Current (A)
Model
Output Current (A)
VFD007B21A
11.9
VFD007B23A
5.0
VFD015B21A/B
15.3
VFD007B43A
2.7
VFD022B21A
22.0
VFD015B23A/B
7.0
VFD015B43A
4.2
VFD022B23A
11
VFD022B43B
5.5
VFD037B23A
17
VFD037B43A
8.5
VFD055B23A
25
VFD055B43A
13
VFD075B23A
33
VFD075B43A
18
VFD110B23A
49
VFD110B43A
24
VFD150B23A
65
VFD150B43A
32
VFD185B23A
75
VFD185B43A 38
VFD220B23A 90
VFD220B43A 45
VFD300B23A 123
VFD300B43A 60
VFD370B23A 142
VFD370B43A 63
VFD450B43A 90
VFD550B43A 110
VFD750B43A 150