Pacific Scientific


Pacific Scientific

SR3640-771-7-48C Image 1


The SR3640-771-7-48C is a Permanent Magnet DC motor in the PMDC Motors by Pacific Scientific. As part of the Pacific Scientific's robust, dependable line of motors, this model is engineered for demanding applications, operating at 500RPM and offering 1/4 horsepower. It runs on a 90V input and a modest current of 2.4A. Among its standout features are a factory-assigned explosion-proof enclosure, class H insulation for heat resistance, and a rugged fuse commutator. The SR3640-771-7-48C also incorporates large sealed bearings for improved lifespan, and efficient permanent magnets which contribute to its compact size and wide speed range. An anti-clog mechanism ensures smooth low-speed operation, while the polyester-impregnated armatures enhance electrical and mechanical durability. With both NEMA and metric mounting capabilities, this UL recognized and CSA certified motor is versatile for various applications. The SR3640-771-7-48C also opts for a natural convection cooling method via a TENV enclosure, thus reducing operational costs and space requirements.

SR3640-771-7-48C by Pacific Scientific is a motor in the PMDC Series. The SR3640-771-7-48C features a Voltage (DC) of 90 and a Current (Amps) of 2.4. This Permanent Magnet DC Motor also has a RPM of 500, a Factory Assigned Enclosure and a H.P. of 1/4.

Revision Part #:

SR3640 771 7 48CSR3640771748CSR364O-771-7-48C
Manufacturer Pacific Scientific
Product Type PMDC Motor
Model SR3640-771-7-48C
Product Code Factory Assigned
Horsepower 1/4 H.P
Current 2.4A
Voltage 90V
Enclosure Factory Assigned
Insulation Class Class H

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.