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5 Main Technical Performance Indicators
5.1 The main technical performance indicators are shown in Table 3.
Table 3 Main technical performance indicators
Shell frame level rated
current Inm
(A)
63
100 (125)
250
Product model
HUM8-63S
HUM8-
100C
HUM8-
125C
HUM8-100S
HUM8-125S
HUM8-100H
HUM8-125H
HUM8-100U
HUM8-125U
HUM8-
250C
HUM8-
250S
HUM8-
250H
HUM8-
250U
Rated current In (A)
10,16,20
25,32,40
50,63
10,16,20,25,32,40,50,63,75,100 (125)
100,125,150,175,200,225,250
Number of poles
3
3
4
2 3
4
3
4
3
3
4
3
4
3
4
3
Rated insulation voltage Ui
(V)
AC 800
AC 1,000
AC 1,000
Flashover distance
(mm)
≤50(0)*
≤50 (0)*
≤50 (0)*
Rated
ultimate/
service short-
circuit
breaking
capacity Ics
(kA)
690V
-
-
5/3
10/5
10/5
-
5/3
10/5
10/5
400V
30/22
30/15
50/35
85/65
125/125
30/15
50/35
85/65 125/125
230V
50/38
50/25
100/50
125/125
200/200
50/25
100/50 125/125 200/200
Operation
performance
(times)
Energizing
8,000
8,000
8,000
De-energizing 20,000
20,000
20,000
Outline
dimensions (mm)
a
75
9
0 120 60 90 120
90
120
90
105 140 105 140 105 140
105
b
130
155
216
165
240
c
68
68
68
Installation
dimensions (mm)
A
25
30(2-pole: 0)
35
B
111
132
193
126
201
Φ
5
5
5
*
The flashover distance, if zero, shall be indicated when ordering.
