24V 4kW DC Compound Wound Auxiliary Motor (Model: XQD-4-21）

Motor Specifications

PRODUCT Overview

The XQ-4-21 DC Brushed Motor is engineered for precision and power. Whether you are looking for a reliable starter for oil pumps or a robust component for wind power systems, this motor delivers consistent performance under pressure. With a 4kW output and a high-current capacity of 204A, it provides the massive starting torque required for heavy-duty industrial machinery.

Key Features

• High Power Density: Delivers 4kW of rated power in a compact frame, optimized for 24V DC systems.

• Superior Durability: Rated IP55 for protection against dust and water jets, and Class F insulation to withstand high operating temperatures.

• High Speed Versatility: A rated speed of 1400 r/min with the capability to reach up to 3600 r/min, offering flexibility for various mechanical loads.

• Optimized for Starting: The excitation method is specifically designed (Series/Compound) to provide maximum torque during the initial start phase, crucial for oil pumps.

• Standard Compliance: Manufactured according to the JB5335-91 standard, ensuring industrial-grade quality and safety.

Technical Specifications

• Model: XQ-4-21

• Rated Power: 4 kW

• Rated Voltage: 24 V

• Rated Current: 204 A

• Rated Speed: 1400 r/min

• Max Speed: 3600 r/min

• Duty Cycle: 15min (S2 Short-time duty)

• Protection Level: IP55

• Insulation Class: F

Applications

• Wind Power: Pitch control systems and auxiliary power units.

• Oil & Gas: Starting motors for hydraulic oil pumps and fuel transfer systems.

• Electric Vehicles: Heavy-duty traction or lift motor functions.

FAQ

Q1: What is the maintenance requirement for this brushed DC motor?

A: As a brushed motor, periodic inspection of the carbon brushes is recommended to ensure optimal electrical contact. The IP55 casing significantly reduces maintenance by preventing internal contamination from dust and moisture.

Q2: Can this motor be used for continuous operation?

A: This specific model (XQ-4-21) is rated for a 1-minute short-time duty (S2). It is specifically optimized for high-torque, short-duration tasks like starting an oil pump or adjusting wind turbine components, rather than 24/7 continuous running.

Q3: Is the XQ-4-21 compatible with outdoor environments?

A: Yes. With an IP55 protection rating and Class F insulation, the motor is designed to operate reliably in harsh industrial and outdoor environments, offering resistance to dust and splashing water.