Product Description
The SY43531 is a 24VDC main contactor for electric lift truck applications. The assembly features an aluminum alloy contact housing with an electroplated finish, suitable for Nichiyu CPD series electric forklifts. OEM reference part DK-SW200-281-24V-GC; no additional cross-reference numbers available from manufacturer or approved sources.
Specifications
Electrical
| Rated Coil Voltage | 24VDC |
Material & Construction
| Contact Housing Material | Aluminum alloy, electroplated finish |
Part Numbers
| OEM Part Number | DK-SW200-281-24V-GC |
| Applied Model Compatibility | Nichiyu CPD series electric forklifts (lift and main contactor, 24V) |
Frequently Asked Questions
Q: What does the SY43531 24VDC main contactor do?
A: The SY43531 is a 24VDC main contactor for electric lift truck applications. It functions as the primary power relay, switching high-current connections to the main motor and hydraulic pump solenoids under control system command.
Q: Which Nichiyu electric forklifts use the SY43531 contactor?
A: The SY43531 is designed for Nichiyu CPD series electric forklifts, serving as the lift and main contactor. The OEM reference number is DK-SW200-281-24V-GC. Verify your forklift model is CPD series before ordering.
Q: What material is the SY43531 contact housing made from?
A: The SY43531 features an aluminum alloy contact housing with an electroplated finish. This construction provides corrosion resistance and durability in the humid, vibration-rich environment typical of electric forklift applications.
Q: What is the rated coil voltage of the SY43531?
A: The SY43531 is rated for 24VDC coil voltage. Do not install this contactor in 12VDC or 48VDC systems without engineering verification, as incorrect voltage will prevent proper contactor function or cause coil damage.
Q: What symptoms indicate the SY43531 contactor needs replacement?
A: Replace the SY43531 if the forklift experiences no response to control inputs, pulsing or chattering motor operation, stuck motor engagement, visible arcing from contactor terminals, or if continuity testing shows contact failure between terminals.
Q: Is there a cross-reference part number for the SY43531?
A: The SY43531 is cross-referenced to OEM part number DK-SW200-281-24V-GC for Nichiyu CPD series equipment. No additional cross-reference numbers are available from the manufacturer or approved sources.