Non-Fuse Circuit Breaker - Delta Compact Drive MS300 IP66/NEMA 4X Series User Manual

Chapter 7 Optional Accessories  MS300 (IP66 / NEMA 4X)

7-2 Non-fuse Circuit Breaker

Comply with the UL standard: Per UL 508, paragraph 45.8.4, part a.
The rated current of the non-fuse circuit breaker should be 1.6–2.6 times the drive's rated input current.
The recommended current values are shown in the table below.
Compare the time characteristics of the non-fuse circuit breaker with those of the drive's overheated
protection to ensure that there is no tripping.
Model
VFD2A8MS21MNSXX
VFD2A8MS21MFSXX
VFD4A8MS21MNSXX
VFD4A8MS21MFSXX
VFD7A5MS21MNSXX
VFD7A5MS21MFSXX
VFD11AMS21MNSXX
VFD11AMS21MFSXX
VFD2A8MS23MNSXX
VFD4A8MS23MNSXX
VFD7A5MS23MNSXX
VFD11AMS23MNSXX
VFD17AMS23MNSXX
VFD25AMS23MNSXX
VFD1A5MS43MNSXX
VFD1A5MS43MFSXX
VFD2A7MS43MNSXX
VFD2A7MS43MFSXX
VFD4A2MS43MNSXX
VFD4A2MS43MFSXX
VFD5A5MS43MNSXX
VFD5A5MS43MFSXX
VFD9A0MS43MNSXX
VFD9A0MS43MFSXX
VFD13AMS43MNSXX
VFD13AMS43MFSXX
VFD17AMS43MNSXX
VFD17AMS43MFSXX
Voltage / one-phase
(three-phase)
230V /
one-phase
230V /
three-phase
460V /
three-phase
7-4
Current Input / Output (Maximum)
Normal Duty Heavy Duty
6.7 A／3.2 A 5.9 A／2.8 A
10.5 A／5.0 A 10.1 A／4.8 A
17.9 A／8.5 A 15.8 A／7.5 A
26.3 A／12.5 A 23.1 A／11.0 A
3.8 A／3.2 A 3.4 A／2.8 A
6.0 A／5.0 A 5.8 A／4.8 A
9.6 A／8.0 A 9.0 A／7.5 A
15.0 A／12.5 A 13.2 A／11.0 A
23.4 A／19.5 A 20.4 A／17.0 A
32.4 A／27.0 A 30.0 A／25.0 A
2.5 A／1.8 A 2.1 A／1.5 A
4.2 A／3.0 A 3.7 A／2.7 A
6.4 A／4.6 A 5.8 A／4.2 A
7.2 A／6.5 A 6.1 A／5.5 A
11.6 A／10.5 A 9.9 A／9.0 A
17.3 A／15.7 A 14.3 A／13.0 A
22.6 A／20.5 A 18.7 A／17.0 A
Recommend
Current [A]
16
25
45
63
10
15
25
40
60
63
6
10
16
16
30
32
45