WL Guide Frame
WL Circuit Breaker
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WL Selection and Application Guide • 2005
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UL 489 Only
ANSI / UL 1066 Only
Valid for both
Breaker coding provided as standard.
All 15 character spaces must be utilized for a valid catalog number.
An “N” should be used when additional components are not required.
All primary catalog number characters must be selected.
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Guide Frame Catalog Numbering System Primary Catalog No. Common Accessories
Guide Frame G 1 2 3 4 5 P1 P2 P3P4 P5P6 P7 P8 Z
Breaker Interrupting Rating
N - Class: 50kA at 240V, 480V, 600V
S - Class: 65kA at 240V, 480V, 600V
H - Class: 85kA at 240V, 480V -- 85kA at 600V (FSIII), 65kA at 600V (FSI & FSII)
L - Class: 100kA at 240V, 480V -- 85kA at 600V (FSII & FSIII), 65kA at 600V (FSI)
M- Class: 150kA at 240V, 480V -- 85kA at 600V
C - Class: 150kA at 240V, 480V -- 100kA at 600V
F - Class: 200kA at 240V, 480V, 600V
(for fused breakers)
Frame Size
1 : Frame Size I (FSI)
2 : Frame Size II (FSII)
3 : Frame Size III (FSIII)
Number of Poles
3 : 3-Pole
Frame Rating (as labeled on breaker)
(Amps/ 100 )
Common Accessories
G L 2 3 3 2 X X X X X X X X Z
Breaker Interrupting Rating
N - Class: 50kA at 240V, 480V, 600V N
S - Class: 65kA at 240V, 480V, 600V S
H - Class: 85kA at 240V, 480V -- 85kA at 600V (FSIII), 65kA at 600V (FSI & FSII) H
L - Class: 100kAat 240V, 480V -- 85kA at 600V (FSII & FSIII), 65kA at 600V (FSI) L
M- Class: 150kAat 240V, 480V -- 85kA at 600V M
C - Class: 150kAat 240V, 480V -- 100kA at 600V C
F - Class: 200kAat 240V, 480V, 600V F
(for fused breakers)
Frame Size
Frame Size I, 1200 max amps 1
Frame Size II, 3200 max amps (3000A for UL 489) 2
Frame Size III, 5000 max amps
3
Number of Poles
3 Pole 3
Max Current (Amps / 100) as labeled on breaker
800A Frame Size I, II 08
1200A Frame Size I, II 12
1600A Frame Size II 16
2000A Frame Size II 20
2500A Frame Size II 25
3000A Frame Size II 30
3200A Frame Size II, III 32
4000A Frame Size III 40
5000A Frame Size III 50
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