Product Description
Contactor, 24V
Frequently Asked Questions
Q: What is the CR 118281-1 contactor and what does it control?
A: The CR 118281-1 is a 24-volt contactor used in Crown electric lift truck control systems. It acts as an electrical switch that connects and disconnects the main traction motor and other power circuits. The contactor is controlled by the trucks logic module and responds to throttle commands and safety interlocks.
Q: Is the CR 118281-1 the correct contactor for my Crown truck?
A: The CR 118281-1 is rated for 24-volt systems and is used on Crown electric pallet jacks and walkie stackers from multiple model generations. Before ordering, verify your trucks system voltage by checking the main battery pack label and the control module documentation. Installing the wrong voltage contactor will damage the control circuit.
Q: What amperage does the CR 118281-1 contactor handle?
A: The CR 118281-1 is rated for continuous operation at the standard traction motor amperage of Crown electric lift trucks, typically 200 to 300 amps depending on the motor installed. The contactor coil is 24 volts and has a holding current specification. Do not exceed the rated amperage as this will cause thermal damage and failure.
Q: What causes a contactor to fail?
A: Contactors fail due to electrical arcing across the contact surfaces, corrosion from moisture and salt exposure, repeated thermal cycling, or control circuit faults that cause rapid cycling. Over-current events or improper voltage also degrade the contactor. Failed contactors prevent the truck from moving or cause intermittent drive function.
Q: How can I tell if the CR 118281-1 contactor needs replacement?
A: Signs of contactor failure include a clicking sound when engaging the drive, truck does not move despite throttle input, intermittent loss of drive power, or a burned smell from the control box. You may also hear the coil chattering without the main contacts closing. The control system may not fault, so diagnosis requires physical inspection or voltage testing of the coil.
Q: Are there equivalent contactors from other manufacturers that work with Crown trucks?
A: Some 24-volt contactors from manufacturers like Albright and Sevcon are electrically equivalent and have been used as replacements in Crown trucks. However, compatibility depends on coil impedance, contact rating, and physical mounting. The CR 118281-1 is the OEM match and recommended choice. Cross-reference carefully if considering aftermarket alternatives.