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Siemens 1LE1003-1EB43-4FA4 3 kW 400V IE3 Motor

Siemens 3 kW, 400V IE3 motor with fan cooling.

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ManufacturerSiemens

Part number1LE1003-1EB43-4FA4

Power 3 kW

Voltage 400 V

Frequency 50 Hz

Efficiency IE3

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12-month warranty

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Veteran-owned

CAGE: 9NK75

IE3 efficiency TEFC (Totally Enclosed Fan Cooled) Cast iron construction IP55 rated Enhanced cooling performance

Product description

The Siemens 1LE1003-1EB43-4FA4 is an IE3 efficiency class motor, delivering 3 kW (4 hp) at 400V and 50Hz. It features a frame size of 100L and a cast iron enclosure, with the addition of an external fan for enhanced cooling. This motor provides reliable performance and energy savings.

This motor is well-suited for a broad range of industrial applications, including driving pumps, fans, and compressors where consistent cooling is beneficial. Its robust construction and efficient operation ensure dependable performance.

Stanlo Automation, a veteran-owned distributor of surplus industrial parts, offers the Siemens 1LE1003-1EB43-4FA4 motor. We ensure you have access to quality parts for your automation needs.

Technical specifications

Power	3 kW
Voltage	400 V
Frequency	50 Hz
Efficiency	IE3
Frame Size	100L
Enclosure	Cast Iron
Cooling	External Fan (TEFC)
Protection	IP55
Insulation Class	F
Mounting	B35

Common applications

Pumps

Fans

Compressors

Material handling

Industrial machinery

Automation systems

Compatible systems

Industrial automation Pump and fan control Variable speed applications

Also known as

Siemens TEFC motor 1LE1003 4kW Siemens fan cooled motor

Replaces / compatible with

This fan-cooled motor is suitable for applications requiring enhanced cooling beyond standard TEFC motors. It can replace similar 3 kW, 400V motors.

Technical note

Expert tip

The external cooling fan requires clear airflow around the motor; ensure no obstructions are present to maintain optimal thermal performance.

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Frequently asked questions

What is the cooling method for the Siemens 1LE1003-1EB43-4FA4 motor?

The Siemens 1LE1003-1EB43-4FA4 motor utilizes TEFC (Totally Enclosed Fan Cooled) design. It features an external fan mounted on the shaft that blows air over the motor's surface, providing efficient cooling even at low speeds or during frequent starts.