SC403-001-T2 Pacific Scientific
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The Pacific Scientific SC403-001-T2 is a servo drive in the SC400 Servo Drives series that operates with input voltages of 115 or 230 VAC in either 1 or 3 phase. It features a continuous current of 7.5 Amps with peak output current of 15 Amps and can deliver continuous power up to 2250 W at 230 VAC. The drive has a current loop bandwidth of 3 kHz maximum and its efficiency exceeds 90%.
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Product Description:
Pacific Scientific’s SC403-001-T2 is a servo drive in the SC400 Servo Drives series. It conditions incoming power and closes the current and velocity loops required to operate compatible brushless or brushed servomotors in automated machinery. Because the control electronics and power stage are combined in one unit, the drive serves as the interface between the machine controller and the motor while keeping the motion system compact. This operating role makes it suitable for packaging equipment, material-handling axes, and electronic assembly systems that require stable speed control and repeatable torque response.
The drive delivers a continuous phase current of 7.5 A. On three-phase input, it provides a continuous mechanical output of 2250 W, and a current-loop bandwidth of up to 3 kHz supports fast torque response during load changes. Internally, the DC bus reaches 160 VDC on 115 VAC input and 320 VDC on 230 VAC input, which gives the power stage enough voltage headroom for back EMF during deceleration. Efficiency remains above 90%, and the drive accepts single-phase or three-phase 115/230 VAC input while using a ±10 V velocity reference and a 1.0 V/Krpm tachometer signal. This combination helps maintain smooth current delivery and accurate speed control without placing excessive heat into the cabinet.
For short transients, the amplifier can source up to 15 A, and peak mechanical output can reach 4500 W before duty-cycle limits apply. Power devices switch at a carrier frequency of 15 kHz, which helps reduce audible noise and limit torque ripple in the motor. Protective logic also provides an open-collector fault output rated 30 VDC at 25 mA, allowing the host controller to detect overcurrent, overtemperature, or bus faults. The fault signal can be tied into machine interlocks or supervisory inputs so the system can react quickly to abnormal operating conditions. A low output form factor and compact 4.5-inch width also help the drive fit tightly spaced control panels where several servo axes must be mounted close together.
Frequently Asked Questions about SC403-001-T2:
Q: What input phase options are available for the SC403-001-T2 servo drive?
A: The SC403-001-T2 supports both single-phase and three-phase input configurations for flexible installation.
Q: What is the continuous current rating of the SC403-001-T2?
A: This servo drive can supply a continuous output current of 7.5 A for ongoing operation.
Q: How efficient is the Pacific Scientific SC403-001-T2 servo drive?
A: The SC403-001-T2 achieves an efficiency of greater than 90%, ensuring minimal energy loss during use.
Q: What is the peak output power of the SC403-001-T2 when running at 230 Vac?
A: At 230 Vac, the SC403-001-T2 provides a peak output power of 4500 W for demanding performance moments.
Q: What is the maximum current loop bandwidth supported by the SC403-001-T2?
A: This model features a current loop bandwidth of up to 3 kHz for responsive motor control.
