installation &
operating instructions
Design Envelope 4322 & 4372
Tango Pumping Unit
60
8.0 fuse and wire recommendation
Armstrong recommends ul 508 listed fast-acting, current-
limiting fuses for upstream protection of installations within the
nec/ul jurisdiction.
Example fuses suitable for upstream protection are detailed
below.
armstrong disconnect switch and fuse rating - 1ph
200-240v input power for use with design envelope
permanent magnet motors - frame 71
rated
power
disconnect
switch
rating
fuse
rating
fuse class
types
maximum
driver input
current (a)
hp kw
200 vac 240 vac
0.33 0.25
30A
6A
cc fast-acting
j fast-acting
rk1 fast-acting
2.0 1.6
0.5 0.37 6A 2.6 2.0
0.75 0.55 10A 3.3 2.9
1 0.75 10A 4.8 4.0
1.5 1.1 15A 7.1 5.8
2 1.5 20A 9.3 7.6
armstrong disconnect switch and fuse rating - 3ph
200-240v input power for use with design envelope
permanent magnet motors - depm
rated
power
disconnect
switch
rating
fuse
rating
fuse class
types
maximum driver
input current
(a)
hp kw
200 vac 240 vac
1 0.75
30A
10A
cc fast-acting
j fast-acting
rk1 fast-acting
3.1 2.7
1.5 1.1 10A 4.2 3.7
2 1.5 15A 6.0 4.8
3 2.2 20A 8.8 7.2
5 4 30A 15.7 14.0
7.5 5.5
60A
50A j fast-acting
rk1 fast-acting
20.7 18.5
10 7.5 60A 28.1 25.1
armstrong disconnect switch and fuse rating - 3ph
200-240v input power for use with design envelope
permanent magnet motors - depm2
rated
power
disconnect
switch
rating
fuse
rating
fuse class
types
maximum driver
input current
(a)
hp kw
200 vac 240 vac
3 2.2
30A
20A
cc fast-acting
7.4 6.4
5.5 4 30A 14.2 12.6
7.5 5.5 30A 19.0 16.6
10 7.5 30A 26.2 23.0
armstrong disconnect switch and fuse rating -
3ph 380v-480v input power for use with design
envelope permanent magnet motors - frame 71
rated
power
disconnect
switch
rating
fuse
rating
fuse class
types
maximum driver
input current (a)
hp kw 380 vac 480 vac
0.33 0.25
30A
5A
cc fast-acting
j fast-acting
rk1 fast-acting
1.3 0.8
0.5 0.37 5A 1.6 1.1
0.75 0.55 6A 1.9 1.5
1 0.75 6A 2.5 2.0
1.5 1.1 10A 4.1 3.5
2 1.5 10A 5.3 3.9
3 2.2 10A 6.5 5.8
4 3 15A 6.1 4.9
5
4
20A 9.2
7.1
7.5
5.5 25A 12.5 8.2
10 7.5 30A 18.5 14.5
armstrong disconnect switch and fuse rating -
3ph 380v-480v input power for use with design
envelope permanent magnet motors - depm
rated
power
disconnect
switch
rating
fuse
rating
fuse class
types
maximum driver
input current (a)
hp kw 380 vac 480 vac
1 0.75
30A
6A
cc fast-acting
j fast-acting
rk1 fast-acting
2.1 1.7
1.5 1.1 6A 2.8 2.3
2 1.5 10A 4.8 4.1
3 2.2 10A 6.5 5.8
4 3 15A 6.1 4.9
5 4 20A 9.2 7.1
7.5 5.5 25A 12.5 8.2
10 7.5 30A 18.5 14.5
armstrong disconnect switch and fuse rating -
3ph 380v-480v input power for use with design
envelope permanent magnet motors - depm2
rated
power
disconnect
switch
rating
fuse
rating
fuse class
types
maximum driver
input current (a)
hp kw 380 vac 480 vac
3 2.2
30A
10A
cc fast-acting
3.9 3.2
4 3 10A 5.4 4.2
5.5 4 15A 7.1 5.7
7.5 5.5 15A 9.5 7.6
10 7.5 25A 13.6 11.3
15 11 30A 18.8 15.5
To Next Page
