SC403-002-T2 Pacific Scientific
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The Pacific Scientific SC403-002-T2 is a servo drive from the SC400 Servo Drives series. It operates with an input voltage of either 115 or 230 VAC, supports 1 or 3 phases, and has an input frequency range of 47 to 63 Hz. This drive delivers a continuous current of 7.5 Amps, a peak output current of 15 Amps, and achieves efficiency greater than 90 percent.
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Product Description:
The SC403-002-T2 is a servo drive built by Pacific Scientific for the SC400 Servo Drives series. It serves as the power and control interface between a motion controller and a brush-type servo motor, modulating armature voltage and current so industrial axes can follow precise speed or position commands in automated machinery. This arrangement lets the drive translate command signals into controlled motor motion for indexing tables, feeders, and other production axes that require repeatable starts, stops, and speed changes during operation.
During steady operation the unit delivers 7.5 A of continuous current, giving moderate-frame motors enough torque for constant-duty tasks such as web handling or pick-and-place. A rectified link supplies those currents from a 320 VDC bus voltage when the front end is connected to 230 VAC mains, while a second tap supports 160 VDC when 115 VAC is used. The front end accommodates a wide 115/230 VAC input range at 47–63 Hz and will accept either single- or three-phase feeds, simplifying panel wiring across global facilities. Internally, pulse-width modulation switches at a 15 kHz output ripple frequency; the high carrier keeps motor audible noise low and limits current ripple that can heat the windings. The torque loop responds quickly thanks to a 3 kHz current loop bandwidth, so commanded changes in load or direction are tracked with minimal phase lag.
For transient moves the amplifier can source 15 A peak output current, giving a 2:1 overload margin for acceleration spikes or short vertical lifts. When running from 230 VAC three-phase, the power stage is rated for 4500 W peak power, with a continuous capability of 2250 W before thermal limits are reached. Operation is specified from 0 to 50 °C, and an internal thermal sensor will trip the drive if that envelope is exceeded. Overall conversion losses are kept below ten percent; the resulting >90% efficiency reduces cabinet heat load and allows smaller cooling hardware while maintaining stable motor performance under dynamic duty cycles.
Frequently Asked Questions about SC403-002-T2:
Q: What input voltage does the SC403-002-T2 support?
A: The SC403-002-T2 servo drive operates with an input voltage of either 115 VAC or 230 VAC.
Q: What is the continuous output current rating of the SC403-002-T2?
A: This servo drive delivers a continuous output current of 7.5 A for sustained operation.
Q: What is the peak output current of the SC403-002-T2 servo drive?
A: The SC403-002-T2 has a maximum peak output current of 15 A, allowing for short-term high demand.
Q: What continuous power does the SC403-002-T2 deliver at 230 V 3-phase?
A: It can provide up to 2250 W of continuous power when operating at 230 V three-phase input.
Q: How efficient is the SC403-002-T2 servo drive?
A: The efficiency of the SC403-002-T2 is greater than 90%, minimizing power loss during operation.
