Siemens WL Series - UL 489 Ratings; Ratings for UL 489

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WL Circuit Breaker selection and application guide
Low Voltage Insulated Case Circuit Breaker
Ratings for UL489 Listed breakers
WL frame ratings – frame size 1 800A 1200A 1600A 2000A
Rating group 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 85 65 65 65 65 65 85 65 65 85 65
Short-time current Icw (kA RMS) 0.5 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) w/o LCD -25 to 70 -25 to 70 -25 to 70 -25 to 70
WL frame ratings – frame size 2 800A 1200A 1600A 2000A 2500A 3000A
Rating group 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 85
Short-time current Icw (kA RMS) 0.5 sec. 65 85 65 65 65 65 65 65 65 65 65 65 85 100 85 85
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 rating Group C) for rating Group C ) for rating Group C) for rating Group C) for rating Group C) for rating Group C)
Electrical duty cycles (no maint) 7500 (5000 7500 (5000 7500 (5000 4000 4000 4000
for rating Group C) for rating Group C ) for rating Group 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 70 -25 to 70 -25 to 70 -25 to 70 -25 to 70 -25 to 70