Pacific Scientific


Pacific Scientific

SR3642-4982-7-56BC-CU Image 1


The SR3642-4982-7-56BC-CU is a permanent magnet DC motor in the PMDC Motors line by Pacific Scientific. Engineered by Kollmorgen, this motor exhibits astounding performance due to its continuous-duty capability and anti-cogging permanent magnets, providing smooth performance even at low operating speeds. The motor has a high overcurrent capacity with a peak current of 40A and a continuous current rating of 2.6A, operating at a standard speed of 1,750 RPM. The motor features a robust structure encased in a non-vented TENV enclosure, with a frame size of 56C and Class H insulation. The motor is equipped with a resilient, fused commutator, large sealed bearings for long life, and an armature impregnated with polyester for electrical and mechanical integrity. Servicing needs are minimal, as the brush springs have field-replaceable brushes and deliver consistent force over their long lifespan. Measuring 6.5 inches in diameter, the PMDC motor offers efficient use of space with four 3/8-16 UNC-2B evenly spaced mounting holes. The unit provides flexible installation options with knockout holes of 0.88 and 0.62 inches in diameter, and a gasket-style conduit box for easy wiring termination. Its certifications, including CSA, UL Recognition, and CE marking, further enhance its global appeal. Used in many applications across diverse industries, this high-quality, high-performance motor is suitable for sectors ranging from defense & aerospace and medical imaging to food & beverage processing and pharmaceutical manufacturing.

SR3642-4982-7-56BC-CU by Pacific Scientific is a motor in the PMDC Series. The SR3642-4982-7-56BC-CU features a 56C NEMA Frame and a Current (Amps) of 2.6. This Permanent Magnet DC Motor also has a Current (Peak/A) of 40 and a Torque Constant (lb-in./A) of 7.6. Additional specifications include a TENV Enclosure and a Inertia (lb-in.) of 6.3.

Revision Part #:

SR3642 4982 7 56BC CUSR36424982756BCCU
Manufacturer Pacific Scientific
Product Type Continuous-Duty Motor
Model SR3642-4982-7-56BC-CU
Operating Speed 1,750 RPM
Voltage Rating 180VDC
Power Rating 0.5HP
Current Rating 2.6A Continuous, 40A Peak
Mounting Style NEMA
Frame Size 56C
Certifications CSA Certified, UL Recognized, CE Marked

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.