S21GSNA-RNN5-02 by Pacific Scientific
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One Year
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The S21GSNA-RNN5-02 has a NEMA 23 frame and 4.3 lb-in continuous stall torque. Manufactured by Pacific Scientific for the S Brushless Motors series, it uses Neodymium Iron Boron magnets and peaks at 13.8 lb-in torque. It offers resolver or hall feedback and a 20,000 h bearing life.
Technical Specifications
Holding Brake
No brake
No brake
Stack Length
1 Stack
1 Stack
Continuous Stall Torque
0.5 Nm
0.5 Nm
Product Type
6-pole Neodymium magnet brushless servo motor
6-pole Neodymium magnet brushless servo motor
Primary Feedback Device
Size 21 frameless resolver
Size 21 frameless resolver
Secondary Feedback Device
No secondary feedback
No secondary feedback
Shaft Seal
No shaft seal
No shaft seal
Resistance (line-to-line)
12.0 Ohms
12.0 Ohms
Optimal Ambient Operating Temperature
25°C
25°C
Thermal Protection
Positive Temperature Coefficient (PTC) thermistor
Positive Temperature Coefficient (PTC) thermistor
Bearing Lifetime
20,000 hours (L10 standard)
20,000 hours (L10 standard)
Magnet Type
Neodymium-Iron-Boron
Neodymium-Iron-Boron
Insulation Type
High voltage, 155°C winding
High voltage, 155°C winding
Contact Us
1620 Old Apex Road, Cary, NC 27513, USA
Toll Free: 1-888-551-3082
International: 1-919-443-0207
Fax: 1-919-867-6204
Email: sales@automation-factory.com
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