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Siemens 1FK7034-2AF21-1QB0 SIMOTICS S 1FK7-CT 1.6 Nm 3000 rpm Servo Motor

% $-1,466.25
Siemens 1FK7034-2AF21-1QB0 1FK7-CT servo motor - 1.6 Nm, holding brake
Siemens 1FK7034-2AF21-1QB0 1FK7-CT servo motor - 1.6 Nm, holding brake

Siemens 1FK7034-2AF21-1QB0 SIMOTICS S 1FK7-CT 1.6 Nm 3000 rpm Servo Motor

Brand: Siemens
Reference No: 1FK7034-2AF21-1QB0
Catalog No: 1FK7034-2AF21-1QB0
Series: SIMOTICS S
Tariff Code (HS): 85015100
Rated Current: 1.8
Power: 0.47 kW
Communication: DRIVE-CLiQ
Stock: 0
Delivery time: 10-15 business day(s)
Shipping Origin: Türkiye EXW
$1,466.25

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  • Description

Siemens 1FK7034-2AF21-1QB0 SIMOTICS S 1FK7-CT servo motor delivers 1.6 Nm standstill torque and 0.47 kW rated power at 3000 rpm on a 300 V DC link. It is a 6-pole design with 1.8 A rated current, IP64 protection, a 20-bit single-turn absolute encoder (AS20DQI) with a DRIVE-CLiQ interface, and an integrated holding brake.

Technical Specifications

SKU 1FK7034-2AF21-1QB0
Brand Siemens
Series SIMOTICS S
Number of Poles 6
Rated Current 1.8 A
Moment of Inertia 1.000 kgcm²
Efficiency 85.0 %
Torque Constant 0.84 Nm/A
Voltage Constant at 20°C 55.0 V/1000 min⁻¹
Winding Resistance at 20°C 4.46 Ω
Rotating Field Inductance 17.2 mH
Electrical Time Constant 3.85 ms
Mechanical Time Constant 1.71 ms
Thermal Time Constant 30 min
Shaft Torsional Stiffness 3,750 Nm/rad
Net Weight of the Motor 3.9 kg
Shaft Height 36 mm
Cooling Natural cooling
Radial Runout Tolerance 0.035 mm
Concentricity Tolerance 0.08 mm
Axial Runout Tolerance 0.08 mm
Degree of Protection IP64
Color of the Housing Standard (Anthracite RAL 7016)
Encoder Single-Turn 20 bits
Optimum Speed 3,000 rpm

Selection Notes

This is the holding-brake version of the 300 V, 3000 rpm 1FK7034-CT variant: the brake raises rotor inertia to 1.000 kgcm² and lowers shaft torsional stiffness to 3,750 Nm/rad compared with the non-brake motor in the same frame. Choose it for vertical or gravity-loaded axes that must hold position without drive power; for horizontal axes the non-brake version is lighter and stiffer. It shares its 300 V DC link and 3000 rpm rated speed with the smaller 1FK7032 frame but delivers more torque (1.6 Nm) at a higher 1.8 A rated current.

Applications

1.6 Nm at 3000 rpm with a holding brake suits vertical pick-and-place axes, small Z-axis drives, and indexing stations in packaging and assembly cells where the load must not drop on drive power loss.

Technical Details

Short Description
Siemens 1FK7034-2AF21-1QB0 1FK7-CT servo motor, 1.6 Nm, 0.47 kW at 3000 rpm, holding brake, IP64, DRIVE-CLiQ 20-bit absolute encoder.
Rated Current (Ampere)
1.8
Mounting Type
Flange
Protection Type
IP64
Catalog No
1FK7034-2AF21-1QB0
Power (kW)
0.47 kW
Delivery Date (Days)
10-15 days
Model Number
1FK7034-2AF21-1QB0
Tariff Code
85015100

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