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Siemens 1LE5603-3AB73-4AF3-Z Motor - 1.5kW 2HP 400V

Siemens 1LE5603-3AB73-4AF3-Z 3-phase motor, 1.5kW, 4-pole, IE3.

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ManufacturerSiemens

Part number1LE5603-3AB73-4AF3-Z

Power 1.5 kW

Voltage 400V

Frequency 50 Hz

Poles 4

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12-month warranty

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Veteran-owned

CAGE: 9NK75

IE3 high efficiency rating Robust 112M frame size IP55 rated protection TEFC design Suitable for continuous operation (S1)

Product description

The Siemens 1LE5603-3AB73-4AF3-Z is a high-performance 3-phase induction motor designed for demanding industrial applications. It delivers 1.5kW (2HP) of power with a 4-pole configuration, ideal for medium-speed operations. This motor features IE3 efficiency, ensuring optimized energy usage. It operates on a 400V supply and is protected by an IP55 enclosure, making it suitable for harsh environments.

This motor is widely applied in driving pumps, fans, conveyors, compressors, and other industrial machinery across manufacturing, automation, and processing industries. Its robust design ensures reliable operation under continuous load.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 1LE5603-3AB73-4AF3-Z motor at competitive prices. We are dedicated to supplying quality automation components to ensure your systems run efficiently and reliably.

Technical specifications

Power	1.5 kW
Voltage	400V
Frequency	50 Hz
Poles	4
Efficiency Class	IE3
Frame Size	112M
Enclosure	IP55
Mounting	B3 (Foot-mounted)
Duty	S1
Number of Phases	3

Common applications

Pumps

Fans

Conveyors

Compressors

Machine tools

Industrial automation

Compatible systems

General industrial machinery Pump controls Fan systems Conveyor drives

Also known as

Siemens Simotics 1LE5 1LE5603 motor Siemens 2 HP motor 4 pole IE3 motor

Replaces / compatible with

This Siemens motor is an effective replacement for older, less efficient foot-mounted motors in the 1.5kW range. It meets current efficiency standards and offers enhanced reliability for industrial use.

Technical note

Expert tip

The 112M frame size and B3 mounting of the 1LE5603-3AB73-4AF3-Z motor ensure a standard fit for many industrial machinery bases.

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Frequently asked questions

What are the typical applications for a Siemens 1LE5603-3AB73-4AF3-Z motor?

The Siemens 1LE5603-3AB73-4AF3-Z motor, with its 1.5kW power and 4-pole configuration, is well-suited for applications such as driving industrial pumps, fans, conveyor systems, and medium-sized compressors. Its IE3 efficiency makes it economical for continuous operation.