Product Description
CONTACTOR (24 VOLT)
Specifications
Product Overview
| Part Number | 3057743 |
Physical Specifications
| Coil Voltage | 24 VDC |
| Function | Electromagnetic contactor / high-current control switch |
| Primary Load Control | Drive motor, pump motor, hydraulic solenoids |
| System Compatibility | 24-volt electric lift systems only |
| Contact Type | Electromagnetic, high-current rated |
| Typical Service Life | 5-10 years under normal duty conditions |
Compatibility
| Application | Electric lift trucks, electric pallet jacks, reach trucks |
| Compatible Makes | Crown, Toyota, Raymond, Yale, Hyster, Linde |
Frequently Asked Questions
Q: What is the 3057743 contactor, and what does it do?
A: The 3057743 is a 24-volt contactor designed for electric lift truck applications. It is an electromagnetic switch that controls high-current circuits, typically used to engage the drive motor, pump motor, or hydraulic solenoids in electric pallet jacks and lift trucks.
Q: What is the control voltage for the 3057743?
A: The 3057743 operates at 24 volts DC, which is the standard low-voltage control circuit in electric lift trucks and pallet jacks. The 24V coil is energized by the truck battery through the control switch network to close the contactor contacts and activate the load circuit.
Q: Which electric lift truck models are compatible with the 3057743?
A: The 3057743 is used in 24V electric lift trucks and pallet jacks from manufacturers including Crown, Toyota, Raymond, Yale, Hyster, and comparable OEM brands. Verify your truck model and 24V system design in your parts documentation before ordering.
Q: What happens if a contactor fails in an electric lift truck?
A: A failed or stuck contactor can prevent the lift truck from operating (open contacts) or cause uncontrolled motion (stuck closed contacts). If the truck does not respond to control inputs or continues to operate after releasing the control switch, contactor failure is a common cause and the 3057743 must be replaced immediately.
Q: Can the 3057743 be used in 48-volt electric lift trucks?
A: No. The 3057743 is rated for 24-volt systems only. The control coil is designed to energize at 24VDC. Installing it in a 48V or 80V system will damage the coil. Always verify your truck voltage system before ordering a replacement contactor.
Q: How long does an electric lift truck contactor typically last?
A: Contactors typically last 5 to 10 years under normal use with routine maintenance. Life is reduced in high-duty environments or if the contactor is exposed to moisture, corrosion, or electrical spikes. Replace immediately if the contactor chatters when energized, sticks in either position, or generates burnt odors indicating contact arcing.