SC935TN-034-01 Pacific Scientific
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
The Pacific Scientific SC935TN-034-01 is part of the SC900 Servo Drives series and has a continuous output current of 30.0 Amps with a peak output current of 60.0 Amps. It provides continuous output power of 9.0 kilowatts at 240V 3-phase and features a convection cooling system without a fan. The drive supports RS-232/485 serial communications and multiple command interfaces including analog and incremental digital.
Internal Product Review
The SC935TN-034-01 is a Pacific Scientific SC900 servo drive with flexible analog, incremental digital, or serial command capability. RS-232/485 serial communications and convection cooling support clean integration and dependable thermal behavior in control cabinets. A 97% power stage efficiency and 18.0 kW peak output at 240 VAC make the unit a strong performer for demanding motion applications.
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Product Description:
The SC935TN-034-01 is a servo drive produced by Pacific Scientific for the SC900 Servo Drives series. As a closed-loop power stage, the unit modulates three-phase line energy so a connected servomotor receives precise current and voltage profiles that follow motion commands issued by the controller. In industrial automation, this allows coordinated speed, torque, and position control for indexing tables, gantries, or material-handling axes that demand repeatable dynamic response.
Under forced-air cooling at 50 °C, the drive can deliver a continuous phase current of 30.0 A, giving it the thermal headroom to run medium-frame motors without derating. For short acceleration bursts, it supplies a peak current of 60.0 A, which covers rapid load changes or fast settling moves. With a 240 V three-phase supply, the continuous mechanical output reaches 9.0 kW, while instantaneous demand peaks can draw up to 18.0 kW from the power stage; those limits guide fuse selection and bus capacitor sizing. Motor inductance compatibility spans from 0.5 H down to 0.5 mH, so both high-inductance iron-core designs and low-inductance rare-earth machines can be driven without current ripple that would destabilize the control loop.
Overall conversion efficiency is 97%, a figure that minimizes cabinet heat and helps retain tighter temperature margins during sustained operation in enclosed control cabinets. Motion commands arrive through an RS-232/485 Serial port or via analog and incremental digital lines, allowing the same hardware to integrate with legacy PLCs or modern multi-axis networks. Parameter sets and tuning gains are stored and executed by the installed Base Servo Software, which contains the velocity, torque, and position loops needed for typical factory motion profiles.
