Specifications

Installation HarmonicGuard
®
Passive
HGP IOM Manual - Rev. D 9
Fuse Specifications
Always refer to the drawings and other information shipped with your unit.
100 kA SCCR Fusing Requirements
Below is a table of line fusing requirements that must be supplied to comply with the 100kA SCCR
rating.
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Provisional 480V Fuse Table
The provisional 480V fuse table below specifies the max branch circuit and max line fuse ratings for
the 480V HGP units. If a 100KA rating is desired customers must provide line fusing to complete the
SCCR 100KA rating
Table 1 – Provisional Fuse Table for HGP 480 Volt Models
HGP Rating
(HP)
kVar
Max Branch Circuit Fuse
Max Line Fusing
(J or T)
(J, T or L)
5
1.3
20
30
7.5
3
20
30
10
3
20
30
15
5
20
30
20
6
20
60
25
8
20
60
30
10
30
60
40
15
30
60
50
15
30
80
60
20
50
100
75
25
50
125
100
30
60
150
125
40
80
200
150
45
100
225
200
60
125
300
250
75
150
375
300
90
175
450
350
105
200
500
400
120
225
600
450
135
250
600
500
150
300
800
600
180
350
900
700
210
200/200 (Parallel Branches)
1000
800
240
225/225 (Parallel Branches)
1200
900
270
250/250 (Parallel Branches)
1350
NOTE: Customers must provide line fusing to complete SCCR 100KA rating.
Voltage
Size
Required Action(s)
480V
≤ 40 HP
Use appropriately rated Class J, T, CC, or L fuse less than or
equal to 60 A
480V
≥ 50 HP
Use Class J, T, CC, or L fuses appropriate for rating of
conductor used to connect to source
600V
≤ 30 HP
Use appropriately rated Class J, T, CC, or L fuse less than or
equal to 60 A
600V
≥ 40HP
Use Class J, T, CC, or L fuses appropriate for rating of
conductor used to connect to source