27
WL Circuit Breaker Selection and Application Guide
WL Insulated Case Circuit Breaker
Ratings for UL489 Listed Breakers
WL frame ratings – frame size 1
800A
1200A
1600A
2000A
Rating Class
S
H
L
S
H
L
S
H
L
S
H
L
Interrupting current frame Ics (kAIR RMS) 50/60 Hz 240VAC
65
85
100
65
85
100
65
85
100
65
85
100
480VAC
65
85
100
65
85
100
65
85
100
65
85
100
600VAC
65
65
65
65
65
65
65
65
65
65
65
65
Short-time current
I
cw (kA RMS)
0.4 sec.
65
65
65
65
65
65
65
65
65
65
65
65
Extended instantaneous protection rating (kA RMS) 480VAC
65
85
100
65
85
100
65
85
100
65
85
100
600VAC
65 65
65 65 65
65 65 65
65 65 65
65
Close and latch rating (kA RMS)
65
65
65
65
65
65
65
65
65
65
65
65
Applicable rating plug range
200 - 800A
200 - 1200A
200 - 1600A
200 - 2000A
Minimum enclosure dimension (in.)
22Wx15Hx19.5D
22Wx15Hx19.5D
22Wx15Hx19.5D
22Wx15Hx19.5D
Mechanical
make-time
(ms)
35
35
35
35
Mechanical
break-time
(ms)
34
34
34
34
Electric close make-time (ms)
50
50
50
50
Electric trip/ UV break-time (ms)
40/73
40/73
40/73
40/73
Electric trip and reclose interval (ms)
80
80
80
80
Mechanical duty cycles (no maint.)
7500
7500
7500
7500
Electrical duty cycles (no maint)
7500
7500
7500
7500
Draw-out breaker efficiency (Watts loss at I
n
)
80
180
350
530
Fixed-mount breaker efficiency (Watts loss at I
n
)
60
120
160
270
Ambient operating temperature (ºC)
-25 to 40
-25 to 40
-25 to 40
-25 to 40
Weights (Fixed Breaker/DO Breaker/Cradle) lbs.
86/137/108
86/137/108
86/137/108
86/137/108
WL frame ratings – frame size 2
800A
1200A
1600A
2000A
2500A
3000A
Rating Class
S L
C
S L
C
S L
C
S L
C
L
C
L
C
Interrupting current frame Ics
240VAC
65
100
150
65
100
150
65
100
150
65
100
150
100
150
100
150
(kAIR RMS) 50/60 Hz
480VAC
65
100
150
65
100
150
65
100
150
65
100
150
100
150
100
150
600VAC
65
85
100
65
85
100
65
85
100
65
85
100
85
100
85
100
Short-time current Icw (kA RMS)
0.4 sec.
65
85
100
65
85
100
65
85
100
65
85
100
85
100
85
100
Extended instantaneous protection 480VAC
65
100
150
65
100
150
65
100
150
65
100
150
100
150
100
150
rating (kA RMS)
600VAC
65
85
100
65
85
100
65
85
100
65
85
100
85
100
85
100
Close and latch rating (kA RMS)
65
85
100
65
85
100
65
85
100
65
85
100
85
100
85
100
Applicable rating plug range
200 - 800A
200 - 1200A
200 - 1600A
200 - 2000A
200 - 2500A
200 - 3000A
Minimum enclosure dimension (in.)
22Wx22.5Hx19.5D 22Wx22.5Hx19.5D 22Wx22.5Hx19.5D
22Wx22.5Hx19.5D 22Wx22.5Hx19.5D
22Wx15Hx19.5D
Mechanical make-time (ms)
35
35
35
35
35
35
Mechanical break-time (ms)
34
34
34
34
34
34
Electric close make-time (ms)
50
50
50
50
50
50
Electric trip/ UV break-time (ms)
40/73
40/73
40/73
40/73
40/73
40/73
Electric trip and reclose interval (ms)
80
80
80
80
80
80
80
Mechanical duty cycles (no maint.)
10,000 (5000
10,000 (5000
10,000 (5000
10,000 (5000
10,000 (5000
10,000 (5000
for Class C)
for Class C)
for Class C)
for Class C)
for Class C)
for Class C)
Electrical duty cycles (no maint)
7500 (5000
7500 (5000
7500 (5000
4000
4000
4000
for Class C)
for Class C)
for Class
C)
Draw-out breaker efficiency (Watts loss at I
n
) 85
150
320
500
680
1000
Fixed-mount breaker efficiency
(Watts loss at I
n
)
40
80
120
230
320
480
Ambient operating temperature (ºC)
-25 to 40
-25 to 40
-25 to 40
-25 to 40
-25 to 40
-25 to 40
Weights (Fixed Breaker/DO Breaker/Cradle)
124/159/112
124/159/112
124/159/112
130/177/128
130/177/128
130/177/128
lbs.
148/220/163
148/220/163
148/220/163
148/220/163
148/220/163
148/220/163
(Class C)
(Class C)
(Class C)
(Class C)
(Class C)
(Class C)