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The RATIONAL 40.06.670P is a cable control harness designed for use in RATIONAL combi-oven control systems. This wiring assembly connects control components within the unit, routing low-voltage signals and power to support proper operation of the cooking system. It is rated for 3AC 200-240 volts at 50-60 Hz and is specified for units manufactured as of 03/2020. Installation is typically performed by a qualified commercial kitchen equipment technician or authorized RATIONAL service professional during repair or component replacement procedures.
This cable control harness is intended for the RATIONAL LM1 platform, specifically the A(E) series combi-ovens operating on three-phase 200-240V 50-60 Hz electrical supply. It applies to units built from March 2020 onward. This is an OEM-style replacement part used when the original harness shows signs of damage, failed continuity, or connector wear that affects control system reliability.
Designed for RATIONAL LM1 A(E) series combi-ovens operating on 3AC 200-240V 50-60 Hz, manufactured as of 03/2020. Verify unit production date and electrical configuration before ordering.
Installation should be performed by a qualified commercial kitchen equipment technician or an authorized RATIONAL service professional. Disconnect and lock out all electrical power to the unit before removing or installing any wiring harness. Inspect all connectors and routing paths for clearance from heat sources or moving parts before restoring power. Follow applicable electrical codes and the manufacturer's service documentation for this procedure.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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