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SIRIUS
Siemens Industry, Inc. Industrial Control Product Catalog 2017
3/30
3
OVERlOAd
RElAYS
Dimensional drawings
3RB20 56, 3RB21 53, size S6
3RB30 46, 3RB31 43, size S3 with straight-through transformer
3RB20 56, 3RB21 53, size S6 with straight-through transformer
45 73
NSB0_01510
65
45 84
NSB0_01511
71
37
17
79 95 99
119
95 Ø 7
60
5
47
79
62
3
120
150
Ø 5
NSB0_01516
48
Ø11
51
25
125
57
85
122
147
145
61
6
156
Ø9
NSB0_01518
120
95
150
73
5
Ø7
79
95
60
NSB0_01517
95 96 97 98
55
80.7
108.7
103.7
48.8
55
43.4
5
26.5
45
22.5 22.5
5.4
5
69.9
2/T1 4/T2 6/T3
95 96 97 98
55
98.9
83.3
103.3
125.1
130
137.2 57
113.1
82.3
3RB30 36, 3RB31 33, size S2 with straight-through transformer
3RB20 66, 3RB21 63, size S10/S12
3RB30 16, 3RB31 13, size S00
3RB30 26, 3RB31 23, size S0
3RB30 36, 3RB31 33, size S2
3RB30 46, 3RB31 43, size S3
23
11
70
89
106
5
31
119
64
63
NSB0_01514
Ø 6
18
70
60
67
86
5
119
35
30
16 34
51
2
64
Ø5
NSB0_01515
Siemens / Industrial Controls Previous folio: OL Supp 3/33
Overload Relays
3RB2 / 3RB3 Solid-State Overload Relays
3RB20, 3RB21, 3RB30, 3RB31 up to 630A for standard applications
Product Category IEC