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Siemens 1LE1523-2AA53-4AA4 SIMOTICS SD Motor - 37kW

Siemens 1LE1523-2AA53-4AA4 IE3 2-pole, 37kW industrial motor.

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ManufacturerSiemens

Part number1LE1523-2AA53-4AA4

Motor Type 1CV3205A

Power 37kW (50 Hz) / 50HP (60 Hz)

Poles 2

Efficiency IE3

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IE3 Premium Efficiency IP55 Protection Cast Iron Housing SIMOTICS SD Series 2-Pole Design High Speed Operation

Product description

The Siemens 1LE1523-2AA53-4AA4 is a high-power SIMOTICS SD series motor designed for IE3 premium efficiency. It features a rugged cast iron frame, IP55 protection against dust and water ingress, and operates at temperature class 155(F) (rated to 130(B)). This 2-pole motor delivers 37kW of power at 50Hz (50HP at 60Hz), suitable for high-speed, continuous duty (S1) applications.

This motor is ideal for demanding applications requiring high speed and power, such as large pumps, fans, and specialized industrial machinery in sectors like water treatment, oil and gas, and heavy manufacturing. Its efficiency and durability ensure reliable operation and energy savings.

Stanlo Automation, a veteran-owned surplus industrial automation parts distributor, offers the Siemens 1LE1523-2AA53-4AA4. We provide genuine parts and reliable service for your critical automation needs.

Technical specifications

Motor Type	1CV3205A
Power	37kW (50 Hz) / 50HP (60 Hz)
Poles	2
Efficiency	IE3
Protection	IP55
Voltage	400VD (50 Hz)
Frame Size	200L
Construction	IM B3
Housing Material	Cast Iron
Temperature Class	155(F) / 130(B)

Common applications

High-Speed Pumps

Industrial Fans

Oil & Gas Machinery

Heavy Manufacturing

Water Treatment

Process Automation

Compatible systems

Compatible with IEC motor control systems and suitable for use with variable frequency drives (VFDs) designed for high-speed, high-power applications.

Also known as

Siemens SIMOTICS SD 1LE1523 1LE1523-2AA53-5AA4

Replaces / compatible with

This motor replaces similar Siemens 2-pole motors within the SIMOTICS SD series and other manufacturers' equivalent high-power, high-speed units. Always verify frame size and mounting compatibility.

Technical note

Expert tip

For high-speed applications, ensure the drive train and driven equipment are properly balanced and rated for the motor's operating speed to prevent vibration and premature wear.

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Frequently asked questions

What is the rated speed of the Siemens 1LE1523-2AA53-4AA4 motor at 50Hz?

The Siemens 1LE1523-2AA53-4AA4 is a 2-pole motor, designed for high-speed operation. Its rated speed at 50Hz is approximately 3000 RPM.