Speedfax 2017

For Operation in the Control Cabinet
Revised on 10/31/19
Class 73, 74
Soft Starter
Control
Dimensions are in inches and are for reference only (not for construction). Certain styles may deviate from values indicated.
Non-Combination Class 73
Combination Type Class 74
17
CONTROL
PRODUCTS
N1, N3R, N12, N4 Standard Enclosure
3RW40
3RW44
Amps A B C Ref. Drawing
11 - 73 24 20 10
98 36 24 10
117-145 36 24 16
205-315 36 30 16
385 60 36 16
26 - 68 24 20 16
82 - 117 36 24 16
145 - 215 36 30 16
280 - 385 60 36 16
494 - 780 90 40 18
970 - 1076 90 48 20
N4X Stainless Steel Standard Enclosure
Amps A B C Ref. Drawing
11 - 98 48 36 10
3RW40 117-315 36 30 16
385 60 36 16
26 - 68 24 20 16
82-117 36 24 12
3RW44 145 36 30 12
180-215 36 30 16
280-385 60 36 12
N1, N3R, N12, N4 Standard Enclosure
Amps A B C Ref. Drawing
11 - 62 36 26 8
73 42 32 12
3RW40
98 42 32 12
117 42 38 16
145 - 248 60 38 16
315 - 385 90 40 18
26 - 68 36 32 16
82 - 117 42 38 16
145 - 215 60 38 16
3RW44
280 72 40 18
315 - 384 90 40 18
494 90 40 18
551 - 780 90 40 18
970 - 1076 90 40 18
N1, N12 Fusible
Amps A B C Ref. Drawing
3RW44 494-780 90 48 20
N4X Stainless Steel Standard Enclosure
Amps A B C Ref. Drawing
11 - 98 48 38 10
3RW40 117 - 315 36 30 16
385 60 36 16
26 - 100 42 32 12
3RW44 117 - 145 60 38 16
180 - 385 90 40 20
17-286
Siemens Industry, Inc. SPEEDFAX Product Catalog