JIA CHENG Type 132S 7.5HP 5.5kW 240/480V 20/10A 1720rpm (A37) HHS01-R-003

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The JIA CHENG 132S 7.5HP is an industrial AC motor designed to drive auxiliary equipment on CNC machine tools and industrial systems. It is commonly used for hydraulic power units, coolant pumps, blowers, and chip conveyors on machining centers, lathes, grinders, and other production equipment.

Rated at 7.5 HP (5.5 kW) with a nominal speed of 1720 rpm at 60 Hz, this motor features dual-voltage windings for 240 V and 480 V operation, making it suitable for a wide range of industrial power systems. Its dual-voltage design simplifies replacement and standardization across multiple machines and facilities.

Built on the proven 132S frame platform, the motor provides the speed and torque characteristics required for four-pole industrial applications. The HHS01-R-003 and (A37) identifiers help technicians match the exact version of the motor, ensuring compatibility with existing mechanical couplings, mounting arrangements, and electrical connections. 

The HHS01-R-003 designation identifies a cast-iron, horizontally mounted motor intended for hydraulic applications, featuring a standard terminal box arrangement and a specific manufacturer variant code used for product identification and configuration matching.

In CNC applications, the 132S 7.5HP is frequently used to power hydraulic systems, coolant circuits, and conveyor systems that require reliable starting torque and stable operating speed. When necessary, the motor can also be operated with compatible 230 V or 460 V variable frequency drives, allowing soft starting and speed adjustment for auxiliary equipment.

The rated current of 20 A at 240 V and 10 A at 480 V provides clear guidance for electrical protection settings and maintenance planning. Its versatility makes it a practical replacement solution for both existing installations and retrofit projects.

Maintenance teams often select this model to restore hydraulic pressure, coolant flow, or conveyor operation after a motor failure. Keeping a spare unit in stock helps reduce downtime and enables rapid replacement with minimal machine modifications.

Each motor can be inspected and tested to verify electrical integrity, insulation condition, and operational performance before shipment. Protective packaging is used to safeguard the shaft and terminal connections during transportation. The JIA CHENG 132S 7.5HP is a dependable replacement motor that supports the long-term operation and maintenance of CNC machines and industrial equipment.

Frequently asked questions about JIA CHENG 132S 7.5HP:

Is this motor suitable for 230 V and 460 V plants?
Yes. It has dual-voltage windings rated 240/480 V, typically used on 60 Hz supplies in North American facilities. Line current is approximately 20 A at 240 V and 10 A at 480 V, which helps size protection and cabling.

Can it be used with a VFD for variable speed on auxiliaries?
It can be operated from a compatible 230 V or 460 V class inverter when configured correctly. Many shops use a VFD on coolant or blower drives for soft start and speed trimming, while observing standard motor and drive setup practices.

What does the 132S designation mean for replacement fit?
132S refers to a widely used frame class. For a true drop-in, verify shaft size, mounting arrangement and terminal box orientation against your existing unit before ordering.

What do HHS01-R-003 and (A37) indicate?
They are build identifiers for this variant and help match motor plate details during like-for-like replacement. Use them when cross-referencing legacy documentation or requesting a refurbished unit or exchange service.