SC902NN-001-01 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 SC902NN-001-01 is part of the SC900 Servo Drives series and delivers a continuous output power of 1.1 kW with a power stage efficiency of 95 percent. The drive offers analog or incremental digital command interface, a peak output current of 7.5 Amps, and is convection cooled without a fan.
Internal Product Review
The SC902NN-001-01 is a Pacific Scientific SC900 servo drive featuring an analog or incremental digital command interface and fanless convection cooling. Rated for 3.75 A continuous output current and 1.1 kW continuous output power at 240 V 3-phase, the unit supports stable servo performance in demanding motion applications. A 95% power stage efficiency stands out as a strong advantage for efficient drive operation.
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Product Description:
The SC902NN-001-01 servo drive is produced by Pacific Scientific and belongs to the SC900 Servo Drives series. It furnishes controlled three-phase power to brushless servomotors and closes the current and velocity loops required for precise positioning in automated assembly, labeling, and material-handling equipment. This control structure supports accurate speed regulation during indexing, feed, and transfer moves where repeatable response is important. The unit uses the electrical and mechanical format common to the SC900 platform, which helps it fit systems built around the same drive family. Its role is to convert incoming supply power into regulated motor output so axis motion remains stable as load conditions change during normal machine cycles.
Under a 240 V three-phase supply and natural convection at 25 °C, the drive can deliver a continuous output of 3.75 A, which corresponds to 1.1 kW of sustained power. For short acceleration demands, the current stage supports a momentary crest of 7.5 A and a peak output of 2.2 kW. A power-stage efficiency of 95% helps limit enclosure heat buildup during operation, which supports stable performance in compact cabinets. The current regulator can work with motor windings up to 4 H of line-to-line inductance, allowing use with high-inductance motors on lower-speed axes. This operating range gives the drive flexibility when it is paired with different brushless motor designs within the same machine architecture.
Minimum motor inductance can be as low as 4.0 mH, so the current loop must be matched to the connected motor for stable response. Command inputs are accepted through analog or incremental digital references, and no fieldbus interface is included, so control signals are handled through direct local connections. Because the chassis is convection cooled, there is no internal fan to draw contaminants into the housing. This cooling method also reduces moving parts inside the drive and supports quieter operation. The arrangement suits machines that rely on straightforward local command wiring instead of network-based motion control.
