Pacific Scientific


Pacific Scientific

SR3642-4822-7-56HC-CU Image 1


The SR3642-4822-7-56HC-CU is a high-performance Permanent Magnet Direct Current (PMDC) motor in the PMDC Motors by Pacific Scientific. Built by Kollmorgen, it is renowned for driving manufacturing automation with its ability to consistently run at 1,750 RPM. Fitted with a NEMA C face and removable base, this compact, light and efficient model employs permanent magnets, providing it a smaller, more streamlined design. This SR series motor features a non-vented TENV style enclosure and a sturdy 56C frame. High-speed operation is ensured due to 4.7A continuous current rating, 0.5HP power rating and a 90VDC voltage rating. The motor is designed with a focus on performing under continuous torque, thanks to its 18lb-in impact, a peak current of 74A, a torque constant of 4.2lb-in/A, and 6.54.2lb-in inertia. The anti-cogging property of the permanent magnets guarantees smooth operations, even at low speeds. The high overcurrent capacity and polyester-impregnated armature add to its durability. The SR3642-4822-7-56HC-CU PMDC motor has four 3/8-16 UNC-2B mounting holes for easy fitting, an overall size of 12.1 inches, and weighs 27lbs. Safety during use is ensured by the unit's Class H insulation, UL Recognition, CE Mark, and CSA Certification. This motor is versatile with wide applications in various fields such as surgical robots, maritime equipment and space technology, amongst others.

SR3642-4822-7-56HC-CU by Pacific Scientific is a motor in the PMDC Series. The SR3642-4822-7-56HC-CU features a Voltage (DC) of 90 and a Current (Amps) of 4.7. This Permanent Magnet DC Motor also has a RPM of 1750, a Factory Assigned Enclosure and a H.P. of 1/2.

Revision Part #:

SR3642 4822 7 56HC CUSR36424822756HCCU
Manufacturer Pacific Scientific
Product Type Continuous Duty DC Motor
Model SR3642-4822-7-56HC-CU
Enclosure Type Non-vented TENV style
Operating Speed 1750 RPM
Current Rating 4.7A
Power Rating 0.5HP
Voltage Rating 90VDC
Mounting Holes Four 3/8-16 UNC-2B
Overall Size 12.1 inches diameter, 6.5 inches, Weight 27lbs.

Distribution Cache Shipping Info and Options

Shipping Carriers: Here at Distribution Cache we ship using UPS, FedEx, DHL, or TNT. In most cases we get very competitive rates based on our volume and will be happy quote shipping cost to your location upon request. We also know that many customers would prefer to ship collect on their own account numbers and welcome this option.

Shipping Blind: We recognize that many of our customers intend to re-sell the product to their end user. We respect our customer’s relationships with their clients and offer blind shipping as an option to ensure that the package arrives in the most clandestine way possible.

Shipping Process: We take pride in the way we package your order and spare no cost in making sure that it arrives safely at your facility. In the case of new parts, we are always sure to package the factory box inside another larger box for safe transit. For reconditioned parts we often use Distribution Cache customized packaging that is specially made to protect the products from the bumps and falls present during shipment.


Shipping Options:

Next Day Air Early AM - This service is the fastest overnight delivery option available. For most locations the package will be guaranteed by 8:30AM.

Next Day Air – This service guarantees delivery by 10:30AM and is the most frequently used option for overnight shipments.

Next Day Air Saver – This cost saving overnight alternative guarantees delivery by 3PM the next day.

2nd Day Air – For domestic shipments that would take 3-5 days if shipped via Ground, sometimes having the order in 2 days is a great way to go

Ground – Ground is the most inexpensive shipping option provided. Please ask if we are doing a “free domestic ground” shipping promotion on your order. We often provide free ground shipping on larger orders.


Emergency Courier – At times we can help work with a courier service to get the part to your facility during downtimes scenarios. We prefer that the customer sets up the courier but we can be there to make sure the product is handed off to the driver. Please give us a call to see if this is an option on your order.

Please Note: Products listed as “ships today” can ship same-day if an order is placed before 4PM. For larger drives and motors we ask that notification for same-day shipments be provided by 2PM at the latest. For any products listed as “ships in 3-5 days”, please give us a call to see if this can be expedited.