Ul 1066 Ratings; Ratings For Ul 1066 - Siemens ETU745 Application Manual

WL Power Circuit Breaker
Ratings for UL 1066 Listed (ANSI C37) Breakers
WL frame ratings – Frame size 2
Rating Class
Interrupting current frame Ics (kAIR RMS) 50/60 Hz
Short-time current Icw (kA RMS)
Close and latch rating (kA RMS)
Applicable rating plug range
Mechanical make-time (ms)
Mechanical break-time (ms)
Electric close make-time (ms)
Electric trip/ UV break-time (ms)
Electric trip and reclose interval (ms)
Mechanical duty cycles (no maint.)
Electrical duty cycles (no maint)
Draw-out breaker efficiency (Watts loss at rated I
Draw-out fused breaker efficiency (Watts loss at rated I
Ambient operating temperature (ºC)
Weights (Fused Breaker/Breaker/Cradle) lbs.
WL frame ratings – Frame size 2
Rating Class
Interrupting current frame Ics
(kAIR RMS) 50/60 Hz
Short-time current Icw (kA RMS)
Close and latch rating (kA RMS)
Applicable rating plug range
Mechanical make-time (ms)
Mechanical break-time (ms)
Electric close make-time (ms)
Electric trip/ UV break-time (ms)
Electric trip and reclose interval (ms)
Mechanical duty cycles (no maint.)
Electrical duty cycles (no maint)
Draw-out breaker efficiency (Watts loss at rated I
Draw-out fused breaker efficiency (Watts loss at rated I
Ambient operating temperature (ºC)
Weights (Fused Breaker/Breaker/Cradle) lbs.
42
Courtesy of NationalSwitchgear.com
800A
N S
254VAC 50 65
508VAC 50 65
600VAC — —
635VAC 50 65
1 sec. 50 65
50 65
200 - 800A
35
34
50
40/73
80
15,000
15,000
) 85
n
) Consult factory
n
-25 to 40
227/159/112
2000A
S H
254VAC 65 85
508VAC 65 85
600VAC — —
635VAC 65 65
1 sec. 65 65
65 65
200 - 2000A
35
34
50
40/73
80
15,000
15,000
) 700
n
) Consult factory
n
-25 to 40
227/209/152
1600A
H L F N
85 100 200 50
85 100 200 50
— — 200 —
65 85 — 50
65 85 — 50
65 85 — 50
35
34
50
40/73
80
15,000
15,000
320
Consult factory
-25 to 40
227/159/112
3200A
L F S
100 200 65
100 200 65
— 200 —
85 — 65
85 — 65
85 — 65
200 - 3200A
35
34
50
40/73
80
15,000
15,000
1650
Consult factory
-25 to 40
227/209/152
WL Circuit Breaker Selection and Application Guide
S H L F
65 85 100 200
65 85 100 200
— — — 200
65 65 85 —
65 65 85 —
65 65 85 —
200 - 1600A
H L
85 100
85 100
— —
65 85
65 85
65 85