Product Description
Pacific Scientific R65HENA Brushless Servomotor | R-Series 5.75" Frame. The Pacific Scientific R65HENA is a high-torque, 4-pole synchronous brushless servomotor designed for the industry's highest torque-to-inertia ratios. Built with premium Samarium-Cobalt (SmCo) magnets, this motor offers superior thermal stability and immunity to demagnetization. It features an anti-cog stator design to ensure smooth performance even at extremely low speeds. Engineered for the most rigorous environments, this R-Series motor is built with TENV IP65 washdown construction and high-temperature Class H insulation. This specific model is configured with a Viton shaft seal (VS) for maximum protection against fluids and contaminants.
Condition Detail
Refurbished. This unit has been professionally restored to full working order. It was refurbished by a specialized third-party facility that performs high-level service for major government-contracted entities. It has been tested to ensure it meets original manufacturer operating standards. The motor may show minor cosmetic scuffs from previous installation, but it is functional and ready for service. Please review all photos for the exact physical condition.
MAKE: PACIFIC SCIENTIFIC
MODEL: R65HENA-R2-NS-VS-00
Motor Type: Brushless Servo Motor
Technical Specifications
Power Rating: 4.3 kW
Input Voltage: 240 VAC / 320 VDC
Frame Size: 5.75" Square Frame
Continuous Stall Torque: 13.6 Nm (120 lb-in)
Peak Torque: 33.3 Nm (295 lb-in)
Stall Current: 10.7 Arms
Typical Rated Speed: 3,000 RPM
Primary Feedback: R2 Frameless Resolver (Size 21)
Secondary Feedback: None (NS)
Shaft Type: English (Imperial) with keyway
Holding Brake: None (N)
Research Notes
Nomenclature: The R denotes Rare Earth SmCo magnets , 6 identifies the 5.75" width , and 5 indicates the magnet stack length. Connection Requirements: This unit requires standard MS-type connectors on leads for power and feedback. Mating connectors are available separately. Confidence Score: 100%Cross-referenced with provided Pacific Scientific Technical Datasheets
Information Below breakdown how to read the part number
NOMENCLATURE:
R - RARE EARTH (SAMARIUM COBALT) MAGNET
6 - MOTOR WIDTH TO THE NEAREST INCH
5- MAGNET STACK LEGNTH TO THE NEAREST INCH
H- WINDING STYLE
E- ENGLISH SHAFT AND MOUNTING
N- NO BRAKE
A- SERIES MARKER
R2- FRAMELESS RESOLVER, TRANSMITTER TYPE, SIZE 21
NS- NO SECONDARY FEEDBACK
VS- VITON SHAFT SEAL
00- SEQUENCE NUMBER, 00 DESIGNATES FACTORY STANDARD PARTS WITH NO CUSTOMIZATION.
Other Details
Before requesting a return, please contact us, as we can often times troubleshoot problems through email. All returns must include all original items in the same condition they were sent. We will also issue an RMA number which must be present on the exterior of the returned box. Your return will not be processed without your RMA number on the box. The buyer is responsible for all return shipping charges.We are not responsible for any technical specifications, compatibility, fitment, application issues, buyer’s remorse, or if an item was purchased by mistake. Any return or refund requested for these reasons will be charged a 20% restocking fee.
We offer the following return guidelines for the products we have available:
New other – All of our new product falls into this category since manufacturer packaging has usually been opened or is otherwise not in retail condition. We offer a full refund of the purchase price less shipping charges for “New other” products that are not in working condition for up to 30 days after receipt.
Seller refurbished – Our refurbished items have been tested and verified by our in-house staff and we guarantee the tested components for 30 days after receipt. We will refund the purchase price less shipping charges for “Seller refurbished” products that are not in working condition when received.
Used – All used products carry a 30 day non-DOA warranty. These products may not be 100% functional and only basic power on capabilities are guaranteed. If a “used” product is received and will not power on, we will issue a full refund less shipping charges. Partial refunds will not be issued for non-working components, and a 20% restocking fee will be charged to all returns of product that do power on.
For parts or not working – There are no warranties or return options available for merchandise that is listed as “for parts or not working”. All returns will be processed with a 20% restocking fee.
