Datasheet
Switches
Disconnect Switches
Siemens Industry, Inc.
Industrial Controls Catalog
Compact Non-Fusible —
Rotary and Toggle
Siemens / Industrial Controls Previous folio: SF 4-5
18/19
Switch Switch
Dimensions Inches (mm)
Type Catalog Number A B C D E F G H
Rotary LBR3040 2.00 (51) 2.72 (69) 2.72 (69) 1.78 (45) 2.16 (55) 1.67 (42) 1.50 (38) 1.22 (31)
Rotary LBR3060 2.00 (51) 2.72 (69) 2.72 (69) 1.78 (45) 2.16 (55) 1.67 (42) 1.50 (38) 1.22 (31)
Rotary LBR3080 2.09 (53) 3.32 (84) 2.92 (74) 1.97 (50) 2.29 (58) 1.69 (42) 1.66 (42) 1.66 (42)
Rotary LBR3100 2.09 (53) 3.32 (84) 2.92 (74) 1.97 (50) 2.29 (58) 1.69 (42) 1.66 (42) 1.66 (42)
Rotary LBR4040 2.42 (61) 2.72 (69) 2.72 (69) 2.28 (58) 2.16 (55) 1.67 (42) 1.50 (38) 1.22 (31)
Rotary Front Mtg. 3LD21 & 2
햳
1.81 (46) 2.17 (55) 1.97 (50) — — — — —
Rotary Front Mtg. 3LD25
햳
2.36 (60) 2.52 (64) 2.32 (59) — — — — —
Rotary Front Mtg. 3LD27 & 8 2.40 (61) 3.27 (83) 2.40 (61) — — — — —
Rotary Base Mtg. 3LD21 & 2 1.81 (46) 2.17 (55) 2.29 (58) — — — — —
Rotary Base Mtg. 3LD25 2.36 (60) 2.52 (64) 2.68 (68) — — — — —
Rotary Base Mtg. 3LD27 & 8 2.80 (71) 3.27 (83) 2.76 (70) — — — — —
Toggle LBT3040 2.00 (51) 2.72 (69) 2.75 (70) 1.78 (45) 2.16 (55) 1.67 (42) 1.50 (38) 1.22 (31)
Toggle LBT3060 2.00 (51) 2.72 (69) 2.75 (70) 1.78 (45) 2.16 (55) 1.67 (42) 1.50 (38) 1.22 (31)
Toggle LBT3080 2.09 (53) 3.32 (84) 2.90 (74) 1.97 (50) 2.29 (58) 1.69 (42) 1.66 (42) 1.66 (42)
Toggle LBT3100 2.09 (53) 3.32 (84) 2.90 (74) 1.97 (50) 2.29 (58) 1.69 (42) 1.66 (42) 1.66 (42)
Toggle LBT4040 2.42 (61) 2.72 (69) 2.75 (70) 2.28 (58) 2.16 (55) 1.67 (42) 1.50 (38) 1.22 (31)
2.92 in.
(74 mm)
0.87 in.
(22 mm)
1.42 in.
(36 mm)
1.77 in.
(45 mm)
1.38 in.
(35 mm)
1.54 in.
(39 mm)
2.24 in.
(57 mm)
3.35 in.
(85 mm)
Minimum Depth
2.76 in.
(70 mm)
0.20 in.
(5 mm)
0.71 in.
(18 mm)
3.15 in.
(80 mm)
LBR 3025
0.31 in.
(8 mm)
F
E
C
D
A
H
G
0.16 in.
(4 mm)
B
J
LBR 40-100 Amps & 3LD2 25-125A
0.31 in.
(8 mm)
F
E
C
B
D
A
H
G
0.16 in.
(4 mm)
Minimum Depth
3.00 in.
(76 mm)
LBT Toggle — 40-100 Amps
Shaft Mounted
3LD2 Handle Cutout
Wire Ranges 60/75°C Cu only
25 Amps LBR
(1) #14 - #10 AWG Solid
(1) #14 - #8 AWG Stranded
(1) #14 - #10 AWG Solid
(1) #14 - #4 AWG Stranded
40 & 60 Amps
UP to (4) #12 AWG Solid
LBR & LBT
Up to (3) #12 AWG Stranded
Up to (6) #14 AWG Stranded
Up to (4) #14 AWG Stranded
with (1) #10 AWG Stranded
(1) #14 - #10 AWG Solid
(1) #14 - #1 AWG Stranded
80 & 100 Amps (2) #6 AWG Stranded
LBR & LBT Up to (3) #8 AWG Stranded
Up to (6) #10 AWG Stranded
Up to (6) #12 AWG Solid
25A, 3LD21 (1) #14-8 AWG
32A, 3LD22 (1) #14-8 AWG
63A, 3LD25 (1) #14-6 AWG
100, 125A, 3LD2 (1) #12-1 AWG
Dimension J Minimum Depth
햲
Switch Dimension J
LBR 40-100A 3.35 (85)
3LD2 25 & 32A Front Shaft Mounted 3.07 (78)
3LD2 63 Front Shaft Mounted 3.35 (85)
3LD2 25 &32A Front 4-hole Mounted 2.13 (54)
3LD2 63A Front 4-hole Mounted 2.48 (63)
3LD2 100 & 125A Front 4-hole Mounted 2.56 (65)
3LD2 25 & 32A Base w/shaft Mtg. Handle 6.46 (164)
3LD2 63A Base w/shaft Mtg. Handle 6.77 (172)
3LD2 25 & 32A Base w/4-hole Mtg. Handle 5.59 (142)
3LD2 63A Base w/4-hole Mtg. Handle 5.99 (152)
3LD2 100 & 125A Base w/hole Mtg. Handle 6.07 (154)
Dimension Drawings and Wire Ranges
햲
Depth from outside of cover to back of switch
.
햳
Handle front plate dimensions:
3LD21 & 2— 2.64 inches square
3LD25, 7 & 8— 3.55 inches square
.877
(22.5)
.95
(24.1
)
.125
(3.2)
Drilling
Pattern
햲
햲
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