Delta VFD022B21A - B.9 Non-Fuse Circuit Breaker Chart

Appendix B Accessories_VFD-B Series
B-38 Revision 10/2005, BE13
B.9 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 input current rating.
2. For 3-phase drives, the current rating of the breaker shall be 4 times maximum output current rating.
(Refer to Appendix A for rated input/output current)
1-phase 3-phase
Model
Recommended
non-fuse
breaker (A)
Model
Recommended
non-fuse
breaker (A)
Model
Recommended
non-fuse
breaker (A)
VFD007B21A 20 VFD007B23A 10 VFD220B23A 175
VFD015B21A/B 30 VFD007B43A 5 VFD220B43A 100
VFD022B21A 50 VFD007B53A 5 VFD220B53A 75
VFD015B23A/B 15 VFD300B23A 225
VFD015B43A 10 VFD300B43A 125
VFD015B53A 5 VFD300B53A 75
VFD022B23A 30 VFD370B23A 250
VFD022B43B 15 VFD370B43A 150
VFD022B53A 10 VFD370B53A 100
VFD037B23A 40 VFD450B43A 175
VFD037B43A 20 VFD450B53A 125
VFD037B53A 20 VFD550B43A/C 250
VFD055B23A 50 VFD550B53A 175
VFD055B43A 30 VFD750B43A/C 300
VFD055B53A 20 VFD750B53A 200
VFD075B23A 60
VFD075B43A 40
VFD075B53A 30
VFD110B23A 100
VFD110B43A 50
VFD110B53A 40
VFD150B23A 125
VFD150B43A 60
VFD150B53A 40
VFD185B23A 150
VFD185B43A 75
VFD185B53A 50