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
Part Numbers & Compatibility
| Make | Nichiyu |
| Model | CPD series |
| Part Number | DK-SW200-281-24V-GC |
| Applied Model Compatibility | Nichiyu CPD series electric forklifts (lift and main contactor, 24V) |
Electrical Specifications
| Rated Coil Voltage | 24VDC |
Additional Specifications
| Contact Housing Material | Aluminum alloy, electroplated finish |
Frequently Asked Questions
Q: What makes and models is the SY43531 compatible with?
A: The SY43531 is compatible with Nichiyu CPD series electric lift trucks. It serves as the main contactor for these models.
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 lift truck applications.
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 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.
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 should I do if my forklift is not responding to control inputs?
A: If your forklift is not responding to control inputs, check the SY43531 contactor. It may need replacement if there are symptoms such as 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.