Product Description
CAT Caterpillar CTR-24-328 is a 24VDC single-pole, single-throw (SPST) main contactor rated for 100A, specifically designed for electric lift truck applications. Features include an intermittent duty coil, normally open contacts, integrated mounting bracket, and arc blowout suppression.
Specifications
Electrical
| Coil Voltage | 24 VDC |
| Rated Switching Current | 100 amps |
Part Numbers
| OEM Part Number | CTR-24-328 |
Frequently Asked Questions
Q: What equipment does the CTR-24-328 main contactor fit?
A: The CTR-24-328 is designed for CAT Caterpillar electric lift trucks and is compatible with other OEM brands including Crown, Toyota, Raymond, and Hyster models that require 24VDC switching. Verify your equipment nameplate voltage is 24VDC before ordering.
Q: What are the voltage and current specifications for the CTR-24-328?
A: This is a 24VDC, single-pole single-throw (SPST) main contactor with a 100 amp switching capacity. The coil operates at 24VDC intermittent duty. It features normally open contacts and is rated for the main power circuit of electric lift trucks.
Q: What does arc blowout suppression do?
A: Arc blowout suppression minimizes arcing and pitting at the contact points during switching cycles. This extends contact life and reduces electrical noise. It is critical for high-current applications like traction motor circuits.
Q: How does the integrated mounting bracket help during installation?
A: The integrated mounting bracket provides a factory-standardized attachment point for panel or frame mounting. This ensures proper orientation and reduces fitment issues across equipment models.
Q: How long does a CTR-24-328 typically last?
A: Lifespan depends on duty cycle and load profile. In typical electric lift truck service, a contactor rated for 100A intermittent duty can provide 3 to 5 years of operation before contact degradation requires replacement. Heavy use or frequent switching cycles may shorten this lifespan.