Pacific Scientific


Pacific Scientific

SR3624-8291-7-56BC-CU Image 1


The SR3624-8291-7-56BC-CU is a Permanent Magnet Direct Current (PMDC) motor in the PMDC Motors by Pacific Scientific. Specifically, it is a 1/4HP motor, offering a robust and reliable solution for various industrial and automation processes. The motor operates at 90V DC power, and has a continuous current and torque output of 2.7A and 9 lb-in respectively. With a rated speed of 1750 rpm, it is capable of high-overcurrent handling up to 54 amperes. The motor features a polyester impregnated rotor armature for improved electrical integrity, and large sealed bearings for consistent, long-term operation. Weighing approximately 18 pounds without accessories and about 20.2 pounds with accessories, the motor measures 9.13 inches in length. In addition, it has H class winding insulation and is enclosed in a TENV housing. It also benefits from a fused commutator and constant-force brushes that are designed for longevity and can be replaced when needed. Its anti-cog permanent magnet stator increase performance, and the motor is capable of supporting both NEMA and metric mounting under specific conditions. It is UL recognized and CA certified and allows installation of different manufacture tachometers with its tachometer adapter.

SR3624-8291-7-56BC-CU by Pacific Scientific is a motor in the PMDC Series. The SR3624-8291-7-56BC-CU features a 56C NEMA Frame and a Current (Amps) of 2.7. This Permanent Magnet DC Motor also has a Current (Peak/A) of 54 and a Torque Constant (lb-in./A) of 3.9. Additional specifications include a TENV Enclosure and a Inertia (lb-in.) of 4.

Revision Part #:

SR3624 8291 7 56BC CUSR36248291756BCCU
Manufacturer Pacific Scientific
Product Type Permanent Magnet DC Motor
Model SR3624-8291-7-56BC-CU
Horsepower 1/4HP
Operating Voltage 90V DC
Continuous Current 2.7A
Rated Speed 1750 rpm
Insulation Class H
Enclosure Type TENV
Commutation Fused commutator and constant force brushes

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.