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Siemens 1LE2421-2CB11-2AA3 25 HP Severe Duty AC Motor

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ManufacturerSiemens

Part number1LE2421-2CB11-2AA3

Power Rating 25 HP

Speed Rating 1800 RPM

Voltage Rating 460V

Frequency 60 Hz

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NEMA Premium® Efficiency Severe Duty Design TEFC Enclosure IP55 Rated Cast Iron Frame 1.15 Service Factor

Product description

The Siemens 1LE2421-2CB11-2AA3 is a NEMA Premium® 25 HP AC Squirrel Cage Motor designed for severe duty applications. It operates at 1800 RPM with a 460V, 3-phase, 60Hz power supply and features a TEFC (Totally Enclosed Fan Cooled) enclosure with an IP55 rating. Constructed with cast iron for durability, it has an insulation class of F and a service factor of 1.15.

This motor is ideal for demanding industrial environments, including chemical processing, mining, foundry, pulp and paper, waste management, and petrochemical applications. Its robust design ensures reliable performance and longevity in harsh conditions.

Source your Siemens 1LE2421-2CB11-2AA3 motor from Stanlo Automation, a veteran-owned surplus parts distributor. We offer competitive pricing and reliable service to keep your operations running smoothly.

Technical specifications

Power Rating	25 HP
Speed Rating	1800 RPM
Voltage Rating	460V
Frequency	60 Hz
Phase	3
Enclosure	TEFC
IP Rating	IP55
Insulation Class	F
Service Factor	1.15
Frame Size	284T
Frame Material	Cast Iron

Common applications

Chemical Processing

Mining

Foundry

Pulp and Paper

Waste Management

Petrochemical

Compatible systems

Industrial automation systems Heavy machinery Pumps and compressors Manufacturing equipment

Also known as

Siemens 1LE24212CB112AA3 Siemens SD100 Motor 25 HP Severe Duty Motor

Replaces / compatible with

This motor is part of the Siemens SD100 IEEE 841 Severe Duty motor series. It is designed as a direct replacement for other motors within this series or as an upgrade for general-purpose motors in severe duty applications.

Technical note

Expert tip

This motor is built to IEEE 841 standards, ensuring its suitability for the most demanding industrial applications where reliability and longevity are paramount.

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Frequently asked questions

What are the key specifications of the Siemens 1LE2421-2CB11-2AA3 motor?

The Siemens 1LE2421-2CB11-2AA3 is a 25 HP AC motor with an 1800 RPM speed rating. It operates on a 460V, 3-phase, 60Hz supply and features a TEFC enclosure with an IP55 protection rating. It is built with a cast iron frame and has an F insulation class.