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Siemens 1LE1523-3AB43-5AB4-Z 55kW 400V IE3 Motor

Siemens 1LE1523-3AB43-5AB4-Z 55kW 750 RPM IE3 Three-Phase Motor.

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ManufacturerSiemens

Part number1LE1523-3AB43-5AB4-Z

Power 55 kW

Voltage 400V

Speed 750 rpm

Frequency 50 Hz

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12-month warranty

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Veteran-owned

CAGE: 9NK75

IE3 Efficiency Cast Iron Frame IP55 Protection 750 RPM Speed 55 kW Power Output High Starting Torque

Product description

The Siemens 1LE1523-3AB43-5AB4-Z is a high-efficiency (IE3) three-phase asynchronous motor delivering 55 kW (75 HP) of power at 400V and 750 RPM. Constructed with a durable cast-iron frame and featuring a B3 (foot-mount) configuration, this motor is designed for longevity and reliability in demanding industrial applications.

This motor is well-suited for applications requiring high torque and lower speeds, such as heavy-duty pumps, large fans, crushers, and mixers across industries like mining, cement, and heavy manufacturing. The IE3 efficiency rating ensures optimal energy usage and reduced operating costs.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 1LE1523-3AB43-5AB4-Z motor. We are committed to providing quality automation components and dependable service to meet your operational requirements.

Technical specifications

Power	55 kW
Voltage	400V
Speed	750 rpm
Frequency	50 Hz
Efficiency Class	IE3
Frame Size	280S
Mounting Type	B3 (Foot-mount)
Protection Class	IP55
Duty Cycle	S1

Common applications

Heavy Duty Pumps

Large Fans

Crushers

Mills

Conveyors

Mining Equipment

Cement Production

Compatible systems

Designed for standard 400V industrial power systems and compatible with both Variable Frequency Drives (VFDs) and direct-on-line starters.

Also known as

Siemens Simotics XP motor 1LE1523 motor 55kW Siemens motor 750 RPM motor

Replaces / compatible with

This motor can serve as a direct replacement for existing Siemens motors or equivalent models with similar power and speed, offering enhanced energy efficiency.

Technical note

Expert tip

The cast-iron construction provides excellent thermal management and mechanical strength, essential for continuous operation in harsh industrial settings.

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Frequently asked questions

What is the IP rating and construction material of the Siemens 1LE1523-3AB43-5AB4-Z motor?

The Siemens 1LE1523-3AB43-5AB4-Z motor has an IP55 protection rating, meaning it is protected against dust and water jets. It is constructed with a robust cast-iron frame, ensuring durability and excellent heat dissipation for industrial applications.