Class 48 Bimetal Overloads

Overload Relays
Panel Mounted Class 48
Dimensions
Figure 1
Figure 2
Figure 4
Figure 3
Figure 6
Figure 5
Figure 8
Figure 7
1 Pole
Bimetal
Ambient
Compensated
3 Pole
Bimetal
Ambient
Compensated
Mounting
Dimensions
Reset
Dimensions
C
D
E
J
K
L
3 3⁄16 (81)
3 3⁄16 (81)
3 9⁄16 (90)
3 9⁄16 (90)
3 (76)
3 (76)
3 1⁄2 (89)
3 1⁄2 (89)
1
13⁄4 (44)
27⁄16
27⁄16
3 (76)
3
1
3
1
Outline Dimensions
Amp
Rating
Fig
A
25
60
100
180
1
2
3
4
7
3 1⁄2 (89)
⁄8 (22)
4 7⁄8 (124) 7⁄8 (22)
4 7⁄8 (124) 1 1⁄4 (32)
5 15⁄16 (151) 1 1⁄4 (32)
B
Fig
A
B
30
60
100
180
5
6
7
8
3 5⁄8 (92)
3 7⁄8 (98)
4 7⁄8 (124)
6 1⁄2 (165)
3 1⁄16 (78)
3 1⁄16 (78)
4 7⁄16 (113)
4 7⁄16 (113)
⁄4 (19)
⁄4 (19)
1
⁄2 (13)
1
⁄2 (13)
Max
Wire
Size
Approx
Ship Wt
Lbs (Kg)
Ref
Dwg
⁄8 (3)
⁄8 (3)
1
⁄8 (3)
1
⁄8 (3)
#10
#10
#10
#10
8
1
00
250 MCM
2 (1)
2 (1)
3 (1)
4 (2)
D51820
D51830
D51833
D52206
Mounting
Dimensions
Reset
Dimensions
C
D
E
J
K
K1
K2
L
3 1⁄8 (79)
3 1⁄8 (79)
3 9⁄16 (90)
3 9⁄16 (90)
3 (76)
3 (76)
3 1⁄2 (89)
3 1⁄2 (89)
1 1⁄2 (38)
1 1⁄2 (38)
1 5⁄8 (41)
1 5⁄8 (41)
1 1⁄4 (32)
1 1⁄4 (32)
27⁄16 (62)
3 (76)
1 13⁄16 (46)
1 13⁄16 (46)
9
⁄16 (14)
9
⁄16 (14)
—
—
115⁄16 (49)
115⁄16 (49)
—
—
2 (51)
2 (51)
3
Outline Dimensions
Amp
Rating
⁄2 (13)
⁄2 (13)
9
⁄16 (14)
9
⁄16 (14)
1
Mounting
Screw
G
⁄16 (5)
⁄16 (5)
1
⁄8 (3)
1
⁄8 (3)
3
Mtg
Screw
G
Max
Wire
Size
Approx
Ship Wt Ref
Lbs (Kg) Dwg
#10
#10
#10
#10
8
2
00
250 MCM
3 (1)
3 (1)
4 (2)
5 (2)
D54791
D54823
D51868
D52038
Note: Dimensions for reference, not for construction.
Dimensions in inches (mm).
8/108
Siemens Energy & Automation, Inc.
Industrial Controls Catalog
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