Relay Systems of America

 

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EMD LOCOMOTIVE RELAYS

GENERAL PURPOSE

HIGH CAPACITY

TIME DELAY RELAYS TLTD

TOWER RELAYS

AIR COMPRESSOR DRIVE KITS

GE LOCOMOTIVES

EMD LOCOMOTIVES

EMD FAN CONTACTORS

60/70/80/90 SERIES

DASH 2

RELAY INTERFACE CABINETS

SPECIAL ORDER PRODUCTS

VARIABLE FREQUENCY DRIVES

CONTACT US

DASH 2 FAN CONTACTORS


  • The original Square D high capacity contactor used on single speed fans on Dash 2 locomotives has long been discontinued.
  • The OEM suggested replacement is a lower current rated component, and is subject to premature failure.
  • Relay Systems offers a higher capacity Dash 2 fan contactor replacement which eliminates reliability issues.

Cooling Fan/Blower Contactor Ratings
Current OEM Replacement Versus RSA Upgrade

Existing OEM Contactor
NEMA Size 3
AC-3 Rating - 90 amps
Surge Rating - 800 amps

RSA Contactor
NEMA Size 4
AC-3 Rating - 180 amps
Surge Rating - 1800 amps


  • Contactors are available as individual parts or a completely assembled panel for simplified installation.

Dash 2 Fan Contactor
Dash 2 Fan Contactor

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