Pacific Scientific


Pacific Scientific

S33HSNA-RNNM-02 Image 1


The S33HSNA-RNNM-02 is a servo motor in the S Motor Series by Pacific Scientific. This high-performing unit is designed for longevity and has specifications tailored to ensure efficient operation. These specifications include a viscous damping coefficient of 0.047 Nm/kRPM, a peak torque of 15.3 Nm, and a continuous torque at standstill of 5.3 Nm. The S33HSNA-RNNM-02 also features impressively low thermal resistance and maximum static friction values, at 0.870C/A and 0.17 Nm respectively, meaning the motor can handle tough industrial conditions. Furthermore, the S33HSNA-RNNM-02 affords accurate speed and torque ratings aligned with the voltage being supplied. With a DC bus voltage of 320V and AC voltage of 240V, the servo unit can achieve 1500 RPM and a rated torque of 4.7 Nm. When the voltage is increased to 640V DC and 480V AC, the rated speed goes up to 3900 RPM, with a typical rated torque of 3.6 Nm. As a product of Pacific Scientific, the motor is customizable and is built to offer utter ruggedness and ultra-efficiency, while remaining cost-effective, making it a reliable choice for users in various industries. The unit's body weighs in at 6.5 kgs, making it sturdy without being overly heavy. Finally, the S33HSNA-RNNM-02 has a thermal time constant of 27 minutes, offering stability and longevity in operation.

S33HSNA-RNNM-02 by Pacific Scientific is a Brushless Servo Motor in the S Series. The S33HSNA-RNNM-02 features a Frame Size/Stack Length of NEMA 34/3 Stack and a Holding Brake Option of No Brake. This Brushless Servo Motor also has a Size 21 Frameless Resolver for Primary Feedback and a Secondary Feedback of No Secondary. Additional specifications include a Factory Assigned for Shaft & Mounting and a Motor mounted MS Connector for Terminations.

Revision Part #:

Manufacturer Pacific Scientific
Product Type Motor
Model S33HSNA-RNNM-02
Viscous Damping Coefficient 0.047 Nm/kRPM
Peak Torque 15.3 Nm
Continuous Torque at Standstill 5.3 Nm
Moment of Inertia 0.48 kgm3 x10-3
Thermal Time Constant 27 minutes
Maximum Static Friction 0.17 Nm
Thermal Resistance 0.87°C/A

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.