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I.B. 3A74791H04
Page 2
Effective 7/97
THE CIRCUIT BREAKERS DESCRIBED IN THIS
BOOK ARE DESIGNED AND TESTED TO OPERATE
WITHIN THEIR NAMEPLATE RATINGS. OPERATION
OUTSIDE OF THESE RATINGS MAY CAUSE THE
EQUIPMENT TO FAIL, RESULTING IN DEATH, BODI-
LY INJURY AND PROPERTY DAMAGE.
ALL SAFETY CODES, SAFETY STANDARDS
AND/OR REGULATIONS AS THEY MAY BE APPLIED
TO THIS TYPE OF EQUIPMENT MUST BE STRICTLY
ADHERED TO.
Identification Rated Values
Circuit
Voltage
Insulation Level
Current
Duration
Transient
Current Values
Breaker
Withstand Voltage
Normal
Short
of Short
Recovery
Short
Out of
Capacitor Switching Ratings
Type
Current at
Circuit
Circuit
Voltage (TRV)
Circuit
Phase
Cable
Single
Back to Back
50 Hz
Breaking
Peak
Time
Making
Switching
Charging
Capacitor
Capacitor
Current
Value
Current
Current
Current
Bank
Switching
➃
Current
Current
➂
➂ ➄
Power
Lightning
Frequency
Impulse
(1 Minute)
➁
U
U
w
I
n
I
sc
t
th
U
c
t
3
I
d
I
c
I
sb
I
bb
kV rms
kV rms
kV Peak
Amperes, rms
kA rms
Seconds
kV Peak
µs
kA Peak
kA
Amperes,rms
360 W-VAC 16
36
80
170
630
16
3
62
108
40
4
50
630
630
1250
630
630
1600
630
630
2000
1000
1000
360 W-VAC 20
36
80
170
630
20
3
62
108
50
5
50
630
630
1250
630
630
1600
630
630
2000
1000
1000
360 W-VAC 25
36
80
170
630
25
3
62
108
63
6.3
50
630
630
1250
630
630
1600
630
630
2000
1000
1000
360 W-VAC 32
36
80
170
630
31.5
3
62
108
79
7.9
50
630
630
1250
630
630
1600
630
630
2000
1000
1000
➀
KEMA tested to applicable IEC-56 Standards (rated operating sequence 0 - .3 sec - CO - 15 sec - CO). Typical operating time
values: opening 45 ms, closing 75 ms, and reclosing 18 cycles.
➁
IEC Standards require 70kV. All ratings tested to 80kV.
➂
Also qualified for 250 ampere rating.
➃
U=52kV, U
c
=92kV, t
3
=216µ seconds.
➄
Tested at 20 kA, 5 kHz inrush current.
Table 1.1 Type W-VAC Vacuum Circuit Breaker Rated in Accordance with IEC-56
➀
1-3 TYPE W-VAC VACUUM CIRCUIT BREAKER RATINGS (TABLE 1.1)
!
WARNING
Содержание Cutler-Hammer W-VAC
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