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Table 3 Main technical performance indicators (completed)
Shell frame level rated
current Inm (A)
400
630
800
Product model
HUM8-
400C
HUM8-
400S
HUM8-
400H
HUM8-
400U
HUM8-
630C
HUM8-
630S
HUH8-
630H
HUM8-
630U
HUM8-
800C
HUM8-
800S
HUM8-
800H
HUH8-
800U
Rated current In
(A)
250,300,315,350,400
400,500,630
630,700,800
Number of poles
3 4
3 4
3
3
3 4 3 4
3
3
3 4 3 4
3
3
Rated insulation voltage
Ui
(V)
AC 1,000
AC 1,000
AC 1,000
Flashover distance
(mm)
≤100 (0)*
≤100 (0)*
≤100 (0)*
Rated
ultimate/
service short-
circuit
breaking
capacity Ics
(kA)
690V
10/10
10/10
15/10
35/35
10/10
15/15
20/15
35/35
10/10
15/15
20/15
35/35
400V
45/45
70/70 100/100 125/125 45/45
70/70 100/100 125/125 45/45
70/70 100/100 125/125
230V
85/85 100/100 150/100 200/200 85/85 100/100 150/100 200/200 85/85 100/100 150/100 200/200
Operation
performance
(times)
Energizing
7500
7500
7500
De-
energizing
10000
10000
10000
Outline dimensions
(mm)
a 140 185 140 185
140
140
210 280 210 280 210
210 210 280 210 280 210
210
b
257
297
275
322
275
322
c
103
200
103
200
103
200
Installation
dimensions (mm)
A
44
70
70
B
194
234
243
290
243
290
Φ
7
7
7
*
The flashover distance, if zero, shall be indicated when ordering.
5.2 See Table 4 (for power distribution) and Table 5 (for motor) for the overcurrent
protection characteristics.
Table 4 Overcurrent protection characteristics of circuit breakers for the
power distribution
Rated current In
(A)
Thermal release (ambient tempe40°C)
Operating current of
electromagnetic
release
(A) [Note]
1.05 In non-operating time
(h) (initial state: cold state)
1.30 In operating time
(h) (initial state: thermal state)
≤63
>1
≤
1
(10±2)In
>63
>2
≤2
