• Siemens SIMOTICS T-1FW6 Torque Motors (External Rotor, Standard)
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Siemens SIMOTICS T-1FW6 Torque Motors (External Rotor, Standard)

Siemens SIMOTICS T-1FW6 Torque Motors (External Rotor, Standard)

SIMOTICS T-1FW6 built-in torque motors, External rotor series 1FW6720, water cooling, for direct drives with SINAMICS S120/S220.

Key features

  • Built-in torque motor: stator and rotor integrated directly into the machine
  • Permanent-magnet synchronous direct drive, high torque at low speed
  • Hollow-shaft design for large through-openings
  • For rotary tables, swivel axes and roller drives on SINAMICS S120/S220
  • External rotor series 1FW6720, water cooling

Specifications

Motor type Synchronous built-in torque motor
Rotor External rotor
Cooling Water cooling
Supply 400 V 3 AC, DC link 600 V
Delivery Stator
Source Siemens Catalog D 21.4 · 2026, p. 966-967
1FW6720-8PB07-3AA3 Rated torque: 1150 Nm | Rated speed: 110.0 rpm | Cable outlet: Axial | Connection: Fixed cables, bare wire ends
1FW6720-8PB10-2EA3 Rated torque: 1640 Nm | Rated speed: 44.0 rpm | Cable outlet: Axial | Connection: Fixed cables, bare wire ends
1FW6720-8PB10-4FA3 Rated torque: 1600 Nm | Rated speed: 116.0 rpm | Cable outlet: Axial | Connection: Fixed cables, bare wire ends
1FW6720-8PB12-4FA3 Rated torque: 1850 Nm | Rated speed: 95.8 rpm | Cable outlet: Axial | Connection: Fixed cables, bare wire ends
1FW6720-8PB14-4FA3 Rated torque: 2240 Nm | Rated speed: 76.2 rpm | Cable outlet: Axial | Connection: Fixed cables, bare wire ends
Servo MotorsSiemens
5 product codes available in this family
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Siemens SIMOTICS T-1FW6 Torque Motors (External Rotor, Standard)

Brand Siemens·Servo Motors

Available part numbers (5)

1FW6720-8PB07-3AA3, 1FW6720-8PB10-2EA3, 1FW6720-8PB10-4FA3, 1FW6720-8PB12-4FA3, 1FW6720-8PB14-4FA3

How to order

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Product codeSpec
1FW6720-8PB07-3AA3Rated torque: 1150 Nm | Rated speed: 110.0 rpm | Cable outlet: Axial | Connection: Fixed cables, bare wire ends
1FW6720-8PB10-2EA3Rated torque: 1640 Nm | Rated speed: 44.0 rpm | Cable outlet: Axial | Connection: Fixed cables, bare wire ends
1FW6720-8PB10-4FA3Rated torque: 1600 Nm | Rated speed: 116.0 rpm | Cable outlet: Axial | Connection: Fixed cables, bare wire ends
1FW6720-8PB12-4FA3Rated torque: 1850 Nm | Rated speed: 95.8 rpm | Cable outlet: Axial | Connection: Fixed cables, bare wire ends
1FW6720-8PB14-4FA3Rated torque: 2240 Nm | Rated speed: 76.2 rpm | Cable outlet: Axial | Connection: Fixed cables, bare wire ends

Need a different model, or a part not listed here? Send us your parts list →

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