Specification Sheet
North America 
1400 73rd Avenue N.E. 
Minneapolis, MN 55432  
USA 
Phone 763 574 5000 
Fax 763 574 5298 
©2013 Cummins Power Generation Inc. All rights reserved.  
Cummins Power Generation and Cummins are registered trademarks of Cummins Inc. PowerCommand, AmpSentry, InPower  
and “Our energy working for you.” are trademarks of Cummins Power Generation. Other company, product, or service names  
may be trademarks or service marks of others. Specifications are subject to change without notice. 
S-1639b (6/13) 
cumminspower.com 
Transfer switch lug capacities 
All lugs accept copper or aluminum wire unless indicated otherwise. 
Transfer 
switch 
ampere 
Cables per 
phase  Size 
125  1  #12 AWG-2/0 
225  1  #6 AWG – 300 MCM 
400 
1 
3/0 – 600 MCM 
400  2  3/0 - 250 MCM 
600  2  250 - 500 MCM 
Submittal detail 
Amperage ratings 
  125 
  225 
  400 
  600 
Voltage ratings 
 R021 208 
 R023 240 
 R026 480 
Pole configuration 
 A028 Poles - 3 (solid neutral) 
Frequency 
 A044 60 Hertz 
Application 
 A035 Utility to genset 
System options 
 A041 Single phase, 2-wire or 3-wire 
 A042 Three phase, 3-wire or 4-wire 
Enclosure 
  B002 Type 3R: intended for outdoor use, provides 
some protection from dirt, rain and snow 
(IEC Type IP34) 
Standards 
  A046 UL 1008/CSA certification 
Control voltage 
  M033 12V, Genset starting voltage 
  M034 24V, Genset starting voltage 
Warranty
 
G009 1 year comprehensive 
Accessories 
  AC-170 Accessories specifications sheet (control 
options, battery chargers, aux relays, 
terminal blocks, guards) 





