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Siemens UL 489 - WL Frame Size Ratings

Siemens UL 489
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27 – 2
WL Non-Automatic Switch UL 489
Ratings
1) Class C
WL frame ratings – Frame size 3 4000A 5000A
Rating Class L C L C
Interrupting current frame Ics (kAIR RMS) 50/60 Hz 240VAC 100 150 100 150
480VAC 100 150 100 150
600VAC 85 100 85 100
Short-time current Icw (kA RMS) 0.4 sec. 85 100 85 100
Extended instantaneous protection rating 480VAC 100 150 100 150
(kA RMS) 600VAC 85 100 85 100
Close and latch rating (kA RMS) 85 100 85 100
Applicable rating plug range 800 - 4000A 800 - 5000A
Minimum enclosure dimension (in.) 32Wx22.5Hx19.5D 32Wx22.5Hx19.5D
Mechanical make-time (ms) 35 35
Mechanical break-time (ms) 34 34
Electric close make-time (ms) 50 50
Electric trip/ UV break-time (ms) 40/73 40/73
Electric trip and reclose interval (ms) 80 80
Mechanical duty cycles (no maint.) 5000 5000
Electrical duty cycles (no maint) 2000 2000
Draw-out breaker efficiency (Watts loss at I
n) 1100 1100
Fixed-mount breaker efficiency (Watts loss at I
n) 580 580
Ambient operating temperature (ºC) -25 to 40 -25 to 40
Weights (Fixed Breaker/DO Breaker/Cradle) lbs. 181/278/306 181/278/306
200/278/306 200/278/306
(Class C) (Class C)
WL frame ratings Frame size 1 Frame size 2 Frame size 3
800-1200 A 800 - 3000A 4000/5000A
Rating Class H L L
Breaking capacity with external relay (kA RMS) 240VAC 85 100 100
50/60 Hz, instantaneous trip 480VAC 85 100 100
600VAC 65 85 85
Short-time current Icw (kA RMS) 0.4 sec. 65 85 85

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