5KS42HN4056A GE Fanuc

5KS42HN4056A GE Fanuc Input module

Brand：General Electric Model number：5KS42HN4056A

Country of origin: U.S. Product weight：0.55kg

HS code：8517623990

Product Details：

Product Dimensions：

The 5KS42HN4056A is a three-phase squirrel-cage induction motor built on a cast-iron frame. The "5KS" designation identifies it as a severe-duty motor designed to withstand corrosive environments, high humidity, and physical stress common in heavy industries. It features advanced insulation systems designed to handle the voltage spikes associated with Variable Frequency Drive (VFD) operation. The motor utilizes premium bearings and an optimized aerodynamic cooling fan to ensure continuous, low-maintenance operation over an extended lifespan.

Product Parameters

Frame Size: 424T or 425T (indicated by the "42" in the model prefix, representing standard NEMA dimensions).
Enclosure Type: Totally Enclosed Fan Cooled (TEFC), which prevents the free exchange of air between the inside and outside of the frame but uses an external fan to blow air over the cooling ribs.
Electrical Phase: 3-Phase AC.
Insulation Class: Class F insulation with a Class B temperature rise, providing an extra thermal margin for overloaded conditions.
Inverter Duty Rating: Features the GEGARD insulation system, making it fully compatible with VFDs for variable speed applications.
Efficiency Standard: Meets or exceeds NEMA Premium efficiency guidelines, minimizing electrical losses.
Housing Material: Rugged cast-iron frame, end shields, and conduit box for maximum structural integrity.

Product Advantages

A major benefit of the 5KS42HN4056A is its Severe-Duty Enclosure, which provides exceptional protection against dust, moisture, and chemical airborne contaminants, significantly reducing internal winding failures. The NEMA Premium Efficiency rating translates into substantial energy savings and a lower total cost of ownership, especially in continuous 24/7 processing plants.

Equipped with the GEGARD Insulation System, the motor resists the destructive voltage wavefronts generated by modern pulse-width modulated (PWM) variable speed drives. Furthermore, the Cast-Iron Structural Design dampens mechanical vibrations and protects internal components from high-impact environments, ensuring long-term bearing alignment.

Important Considerations and Precautions

When installing and operating the GE 5KS42HN4056A, maintaining Proper Mechanical Alignment with the driven load (such as a pump or fan) is critical; misalignment can cause excessive vibration, leading to premature bearing failure or shaft damage. While the motor is VFD-compatible, operators must monitor the motor's temperature when running at Very Low Speeds for extended periods, as the shaft-mounted cooling fan becomes less effective, potentially requiring external forced ventilation.

During maintenance, ensure the Regreasable Bearings are lubricated using only the manufacturer-specified polyurea grease; mixing incompatible grease types will degrade lubrication performance. Additionally, the Conduit Box Seals must be properly seated and cable entry points sealed during installation to preserve the TEFC rating and prevent water ingress into the electrical termination area.

Product Applications

The GE 5KS42HN4056A motor is deployed in rigorous industries where motor failure could result in costly production downtime.

Petrochemical and Refining: Powering large centrifugal pumps, compressors, and cooling tower fans where ambient hydrocarbon gases or corrosive vapors are present.
Pulp and Paper Mills: Driving agitators, pulpers, and heavy-duty conveyor systems exposed to high humidity and chemical processing fluids.
Mining and Aggregate: Operating rock crushers, slurry pumps, and long-distance material handling belts under extreme dust and high-vibration conditions.
Water and Wastewater: Powering high-capacity water lift pumps, aeration blowers, and secondary treatment processing equipment.
Chemical Processing: Driving mixers, blenders, and chemical transfer pumps requiring reliable explosion-proof or severe-duty characteristics.

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