S7480A-NAF2-F2 Kollmorgen
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The Kollmorgen S7480A-NAF2-F2 is an S700 Servo Drive with a rated current of 48 Arms and a peak output current of 96 Arms. It supports a voltage rating of 208 to 480 volts and has a continuous brake power of 8 kW. The servo drive measures 386 mm in height, 190 mm in width, and 244 mm in depth, with a coldplate weight of 10.4 kg.
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Product Description:
The S7480A-NAF2-F2 servo drive is produced by Kollmorgen as part of the S700 Servo Drives series. This unit conditions three-phase mains power for closed-loop motor systems, supplying regulated current, absorbing regenerative energy, and executing safety shutdowns in industrial automation cells. By embedding motor-control algorithms and fieldbus interfacing, it replaces discrete contactors and analog amplifiers, reducing panel space while sustaining deterministic position and speed control.
This drive operates on an input range of 208 to 480 V and can process up to 35 kVA of apparent power, allowing it to be paired with suitable actuators. Continuous operation is supported at 48 Arms, while short bursts can reach 96 Arms for acceleration. The internal IGBTs switch at 8 kHz, which helps keep audible noise low and reduce current ripple. An output current form factor of 1.01 reflects the near-sinusoidal waveform. Motor windings must present at least 0.88 mH at 480 V to avoid overcurrent trips, and the DC-bus voltage rises at 4.8 kV/µs, so shielded cables are recommended. Under nominal load, the cold plate sheds 685 W of heat, yet only 24 W are released when the power stage is disabled, supporting energy-saving standby modes.
The cold plate construction and coated PCBs support installation where light condensation may be present. The housing measures 386 mm in height, 190 mm in width, and 244 mm in depth when connectors are excluded, and the assembly weighs 10.4 kg. Braking energy can be routed to a 15 Ω external resistor, while the internal circuitry can sink up to 8 kW continuously and limit the DC bus to a residual drop of 6 V. Functional safety is handled by a dual-channel STO interface that removes drive power without relying on contactors. A dedicated fan-controller expansion card modulates cabinet airflow to match the heat load from the power stage.
Frequently Asked Questions about S7480A-NAF2-F2:
Q: What is the continuous brake power capability of the S7480A-NAF2-F2 servo drive?
A: The continuous brake power for the S7480A-NAF2-F2 servo drive is 8 kW.
Q: What is the peak output current of the S7480A-NAF2-F2 servo drive?
A: The S7480A-NAF2-F2 can achieve a peak output current of 96 Arms.
Q: What is the rated input power for the S7480A-NAF2-F2?
A: This model supports a rated input power of 35 kVA for demanding applications.
Q: Which expansion card comes with the S7480A-NAF2-F2 model?
A: A fan controller expansion card is included with the S7480A-NAF2-F2.
Q: What type of STO (Safe Torque Off) capability does the S7480A-NAF2-F2 provide?
A: The S7480A-NAF2-F2 features dual channel STO capabilities for safety functions.
