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Siemens SIMOTICS T Torque Motor 1FW3 | 122.5kW | Water Cooling

Siemens SIMOTICS T 1FW3 complete torque motor with water cooling.

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ManufacturerSiemens

Part number1FW3281-3AM73-5AA0-Z

Type Complete torque motor

Series 1FW3

Speed (520rpm) 122.5kW, 2250Nm, 262A, 339V

Speed (600rpm) 138.2kW, 2200Nm, 256A, 387V

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Veteran-owned

CAGE: 9NK75

High torque density Water cooling system Integrated regreasing system (K40) Precise motion control Robust construction SIMOTICS T technology

Product description

The Siemens SIMOTICS T torque motor, part number 1FW3281-3AM73-5AA0-Z, is a complete 1FW3 series motor designed for high-performance applications. It offers a power output of 122.5 kW at 520 rpm with a torque of 2250 Nm and a current draw of 262 A at 339 V. It also provides 138.2 kW at 600 rpm and 146.3 kW at 650 rpm. This motor features water cooling for efficient heat dissipation and includes a regreasing system as Option K40.

This torque motor is ideal for demanding applications requiring precise motion control and high torque density, such as robotics, machine tools, printing presses, and material handling systems. Its robust design and advanced cooling capabilities ensure reliable operation in challenging industrial environments.

Stanlo Automation, a veteran-owned business, offers a wide selection of industrial automation surplus parts, including Siemens SIMOTICS T motors. We ensure quality and reliability, providing you with cost-effective solutions and expert support to keep your operations running smoothly.

Technical specifications

Type	Complete torque motor
Series	1FW3
Speed (520rpm)	122.5kW, 2250Nm, 262A, 339V
Speed (600rpm)	138.2kW, 2200Nm, 256A, 387V
Speed (650rpm)	146.3kW, 2150Nm, 250A, 415V
Cooling	Water cooling
Option	K40 (Regreasing system)

Common applications

Robotics

Machine tools

Printing presses

Material handling

Semiconductor manufacturing

Packaging machinery

Compatible systems

Designed for use with Siemens drives and control systems. Specific compatibility with third-party systems should be verified.

Also known as

Siemens SIMOTICS T 1FW3 Siemens torque motor 1FW3281 1FW3 torque motor

Replaces / compatible with

This motor is part of the Siemens SIMOTICS T 1FW3 series. Specific replacement compatibility would depend on the original equipment manufacturer's specifications.

Technical note

Expert tip

Ensure proper water flow and pressure for the cooling jacket to maintain optimal operating temperature and prevent motor damage.

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Frequently asked questions

What are the key specifications of the Siemens 1FW3281-3AM73-5AA0-Z torque motor?

The Siemens 1FW3281-3AM73-5AA0-Z torque motor offers 122.5kW at 520rpm (2250Nm), 138.2kW at 600rpm, and 146.3kW at 650rpm. It features water cooling and includes a regreasing system (Option K40).