Pacific Scientific Motors and Drives

Wake Industrial offers a comprehensive selection of these motors and drives, along with services to keep both new and legacy units running at peak performance. Below we explore key Pacific Scientific product series – from servo drives to stepper motors – and how Wake Industrial can assist with purchasing, repair, and support. For immediate help with repairing or replacing a Pacific Scientific product, call 1-919-443-0207 to speak with a Wake Industrial representative today. There are no menus, no waiting – you’ll speak with a human immediately.

Pacific Scientific has a long history of producing high-quality industrial motors and drives for automation. Founded in 1919, the company expanded into aerospace and industrial motion control, and was later acquired by Danaher Corporation in 1998. Many Pacific Scientific motor and drive product lines continued under Danaher’s Kollmorgen brand, and their legacy automation products are still in demand worldwide. Pacific Scientific motors and drives are known for their robust design and performance in applications ranging from packaging and printing to factory automation.

Pacific Scientific Servo Drives (SC900 & SCE900 Series)

Key Features of Pacific Scientific Servo Drives (SC900/SCE900)

• High Performance: Fully digital control with DSP (Digital Signal Processor) and automatic tuning ensures precise motion control and stability. These drives are optimized for use with resolver-feedback brushless motors, delivering smooth operation in demanding tasks.
• Modular and Expandable: Both SC900 and SCE900 drives have a modular design. Plug-in option cards can be added to extend I/O, interfaces (such as fieldbus or SERCOS), and to store custom parameters in non-volatile memory. This flexibility allows for easy customization.
• Wide Power Range: The SC900 series covers continuous current ratings from ~7.5 A up to 60 A, supporting a broad range of motor sizes and loads. Higher-power units can provide on the order of 9 kW continuous (18 kW peak) output, enabling them to drive large servomotors.
• Global Voltage Compatibility: The SCE900 series is designed for 400–480 VAC mains, expanding on the SC900’s ~240 VAC input capability. This allows Pacific Scientific drives to be used internationally without step-down transformers, while maintaining the same performance characteristics.
• Advanced Features: Both series include state-of-the-art features like digital auto-tuning, configurable acceleration/deceleration profiles, and protective functions. The drives utilize modular construction for ease of maintenance and have comprehensive fault monitoring to protect both drive and motor.

Wake Industrial provides both new surplus and reconditioned Pacific Scientific servo drives from the SC900 and SCE900 families. All units, such as the SC903, SC904, SC905 or SCE904 models, are in stock for fast shipment in many cases, minimizing your downtime. If you need a replacement drive or have a faulty unit, you can request a quote or repair service from Wake Industrial. Whether upgrading an existing machine or keeping a legacy system running, Wake Industrial can supply the appropriate Pacific Scientific servo drive and ensure it’s configured for your needs. Contact Wake Industrial via the quote form embedded on the page or by emailing sales@wakeindustrial.com to check stock on models like SC905-001-01 or SCE905AN-002-01, or to arrange for expert repair and refurbishment of your Pacific Scientific drives.

Pacific Scientific Stepper Drives (6410 Microstep Series)

Highlights of the Pacific Scientific 6410 Stepper Drives

Adjustable Current Output

 DIP switch settings allow selecting the output current from 0.625 A up to 5 A to match various stepper motor requirements. This flexibility lets you drive both smaller and larger NEMA frame step motors with the same drive unit.

Wide DC Supply Range

Operates on 24 VDC to 75 VDC supply voltages, accommodating common industrial DC bus levels and even battery-powered or low-voltage applications. The wide range simplifies integration into different systems.

Smooth Microstepping

Advanced microstepping capability with mid-band resonance compensation ensures smooth motion and minimal vibrational issues across a broad speed range. The 6410 provides high resolution steps for precise positioning, even at low or moderate speeds where ordinary steppers might stall or vibrate.

Rugged Design

Incorporates bipolar chopper control using MOSFETs for efficient power management, and includes digital electronic damping to further smooth out motor response. Built-in short-circuit and overload protection, plus optically isolated inputs, provide reliability and safety in industrial environments.

Compact & Proven

The 6410 series have a compact form factor for easy cabinet mounting. Its proven design earned industry recognition, making it a go-to solution for stepper motion in many 1990s and 2000s machines.

If you are looking to upgrade or replace a Pacific Scientific stepper drive, Wake Industrial can help. Wake Industrial stocks refurbished 6410 series drives, like the 6410-001-C-N-K, and can often ship the same day to get your equipment back up and running. Wake Industrial’s technicians can repair or refurbish your unit. Don’t let a failed stepper drive cause extended downtime – call Wake Industrial at 1-919-443-0207 for a quick quote.

Pacific Scientific Brushless Servo Motors (S Series)

S Series Servo Motor Features

• High Speed & Torque in Small Size: Two frame sizes (NEMA 23 and 34) cover speeds up to ~12,500 RPM and continuous torques from ~0.5 to 6.6 Nm. This impressive power density suits demanding motion control tasks in compact machinery.
• Rugged Industrial Build: TENV (totally enclosed) motors with IP65-rated environmental protection allow use in dusty or wet industrial conditions. The robust construction ensures long service life even under continuous duty and vibration.
• Smooth and Precise: Low-cogging electromagnetic design (anti-cog stator) yields smooth low-speed performance, critical for precise positioning and uniform motion. High-grade neodymium magnets provide strong, consistent torque across the speed range.
• Flexible Options: Available with various shaft, mounting, and feedback options. Standard models use resolver feedback (matches SC/SCE drives), but encoder options are available for higher precision. Optional brake kits can be included for safety, allowing the motor to hold position when powered down – great for Z-axes or hold-to-rotate applications.
• Integrated Performance: Engineered to complement Pacific Scientific drives, the S-series motors benefit from matched electrical characteristics. This pairing enables easy auto-tuning and maximum performance when driven by SC900/SCE900 servo drives, with the system delivering high bandwidth and efficiency.

If you require a replacement S-series servo motor like the S32HSNA-RNNM-03, or need a compatible drive/motor package, Wake Industrial can assist. Many S-series motor models are available refurbished or even new surplus, fully tested and covered by a 1-year warranty. Wake Industrial’s team can help verify the exact motor specifications you need and ensure you get the correct match for your existing Pacific Scientific drive. In case your current servo motor is failing or worn, consider using Wake Industrial’s motor repair service – their technicians can repair or rebuild Pacific Scientific brushless motors, including replacing bearings, rewinding, and encoder replacement, restoring your motor to like-new performance. Reach out to Wake Industrial via the quote form above or by calling 1-919-443-0207 for help with sizing a replacement or servicing your Pacific Scientific S-series motors.

Pacific Scientific PMA Series Brushless Motors

Notable features of the Pacific Scientific PMA Servomotors

High Environmental Protection

Built to IP57 as standard, with certain models rated IP67 for full dust and water protection. This makes PMA motors suitable for washdown environments or outdoor applications where lesser motors might fail.

Extensive Size and Power Range

Frame sizes from 55 mm up to 190 mm cover a vast torque range. These motors can be used in small machines as well as large industrial systems. The wide 240–480 VAC winding options support direct connection to common industrial voltages worldwide.

Optimized Pairing with Drives

Co-engineered with Pacific Scientific drives – the motor windings and electrical characteristics are tuned for the SC900 and SCE900 drive algorithms. Users get higher throughput and efficiency by using matched components, as opposed to mixing different brands.

Durability

The PMA series uses heavy-duty bearings, high-quality insulation, and shock-resistant construction to endure demanding duty cycles. They are well-suited to applications like printing presses, servo hydraulic replacements, or large robotics, where reliability is critical.

If you’re seeking a PMA-series motor or a compatible Pacific Scientific drive for it, Wake Industrial has what you need. Models such as PMA22B-00100-00 and other variants in the PMA line can be sourced as new surplus or refurbished units through Wake Industrial. If you have a failing PMA motor, Wake Industrial offers refurbishment services, including disassembly, cleaning, bearing replacement, and full testing. With a refurbished Pacific Scientific motor from Wake, you can extend the life of expensive machinery without a full redesign. Contact Wake Industrial by emailing sales@wakeindustrial.com to get the help you need.

Pacific Scientific Stepper Motors (PowerPac K Series)

Key points about Pacific Scientific K Series (PowerPac) Stepper Motors

• High Torque Output: Thanks to Sigmax flux-focusing design with rare-earth magnet inserts, K series steppers deliver higher torque than conventional steppers of the same size. This enables more forceful and faster moves, improving machine throughput.
• Rapid Acceleration: The K motors’ high torque-to-inertia means they can accelerate and decelerate quickly, moving loads in a shorter time frame. This makes them suitable for high-speed indexing or rapid-reversal applications that push the limits of open-loop control.
• Rugged and Reliable: Designed as general-purpose industrial motors, PowerPac steppers have durable bearings and quality construction. They are a cost-effective alternative to servos in many cases, providing strong motion control without the complexity of feedback systems. Maintenance is minimal, and they can endure heavy use in production environments.
• Standard Frame Sizes: Available in standard NEMA 34 and 42 mounts, they can often drop into existing machine designs. This standardization, combined with broad compatibility with many stepper drives, makes replacement straightforward – a boon for maintaining older equipment that uses Pacific Scientific steppers.

For those maintaining equipment that uses Pacific Scientific stepper motors, such as the K-series models, Wake Industrial is an invaluable resource. Wake Industrial can supply PowerPac K motors like K33HLHJ-LNK-NS-01 either from refurbished stock or by sourcing surplus units globally. Each motor is tested to meet torque and current specifications, ensuring you get a reliable component. Get your PowerPac K motor today by calling 1-919-443-0207 to speak with our sales engineer today.

Pacific Scientific DC Motors (Permanent Magnet Series)

Pacific Scientific PMDC motors like the SRF series are continuous duty motors with rugged Class H insulation and reliable performance. They deliver a broad speed range (by adjusting voltage) and are known for their longevity. Many legacy machines, from printing presses to treadmills, used Pacific Scientific DC motors for their simplicity and durability. While Pacific Scientific (now Kollmorgen) has shifted focus away from these DC motors, companies like Wake Industrial continue to support them. Wake Industrial can source hard-to-find PMDC motors or provide services to keep existing units running:

• Replacement Motors: If you need a motor like SRF3643-4593-7-5-56C or another Pacific Scientific DC motor, Wake Industrial can often locate one in new-old-stock or reconditioned condition. They ensure the replacement matches the voltage, RPM, and mounting of your original unit. Every motor is tested for torque and speed output before shipping.
• Motor Rewinds and Repairs: Wake Industrial’s repair capabilities extend to DC motors. Technicians can perform rewinding of armatures, replacement of brushes, bearings, and commutators, as well as repainting and re-balancing. This is a cost-effective way to refurbish a legacy motor that may no longer be in production.
• Customization and Support: In scenarios where an exact Pacific Scientific model isn’t available, Wake Industrial can advise on drop-in alternatives or adaptations. Their engineering support ensures you maintain compatibility with your drive system and mounting, avoiding unnecessary machine modifications.

If your operation relies on a Pacific Scientific DC motor, don’t worry about the part being obsolete – Wake Industrial can repair or replace legacy Pacific Scientific DC motors to keep your equipment operational.

Wake Industrial – Your Partner for Pacific Scientific Motors/Drives

Wake Industrial specializes in the sale, repair, and refurbishment of Pacific Scientific products, from the latest servo drives to legacy DC motors. When OEMs no longer support a product line, Wake Industrial steps in to provide customers with reliable options to keep their systems running. For Pacific Scientific motors and drives, Wake Industrial offers:

• Extensive Inventory: A large in-stock selection of Pacific Scientific part numbers ready for immediate shipment. These include both new surplus units and expertly reconditioned units that meet or exceed original specifications.
• Fast, Worldwide Shipping: Wake Industrial understands that downtime is costly. Most in-stock Pacific Scientific motors/drives can ship the same day, with express options and no rush fees to get your facility back online quickly.
• Repair & Refurbishment Services: If purchasing a new unit isn’t the right solution, Wake Industrial’s factory-trained technicians can repair or refurbish your existing Pacific Scientific drive or motor. All repaired units undergo rigorous testing. Whether it’s an SC900 servo drive with a fault, or a worn S-series motor, Wake can restore it to working condition.
• Technical Expertise: Wake’s Technicians have decades of experience working with Pacific Scientific and other legacy parts ensuring that you get the highest quality repairs done right.

All Pacific Scientific products sold by Wake Industrial come with a comprehensive warranty. Companies like NASA, Ford, IBM, and many others have relied on Wake Industrial for critical automation components, so you can be confident in their service.

If you’re in need of a Pacific Scientific motor or drive – whether it’s a new purchase, a repair, or technical support for a legacy system – contact Wake Industrial today. You can request a fast quote online or by calling 1-919-443-0207 and have the assurance of expert service. Wake Industrial can repair, refurbish, and support both new and legacy Pacific Scientific motors and drives, ensuring your operation keeps moving forward with minimal disruption.

(Wake Industrial is an independent supplier – not an authorized Pacific Scientific distributor)