S33GNNA-RNNC-00

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The S33GNNA-RNNC-00 is a NEMA 34 frame brushless motor with continuous stall torque ranging from 19-45 lb-in (2.2 to 5.1 Nm). Manufactured by Pacific Scientific and belonging to the S Brushless Motors series, it features built-in thermal protection and operates at a voltage of 320 Vdc. This motor includes neodymium-iron-boron magnets.

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Product Description:

The S33GNNA-RNNC-00 Brushless motor with extraordinary performance, is one of Pacific Scientific's well-known cutting-edge motion control solutions. The 6-pole design and small size of this motor make it reliable and efficient. The S33 motor is perfect for demanding motion applications in industrial automation because it gives the highest torque density in a tiny package and is built with high-energy Neodymium-iron-boron magnets.

The S33GNNA-RNNC-00 motor guarantees accurate control and consistent performance by maintaining a voltage constant of 1.67 V/rad/sec (line-line, peak). The motor maintains thermal stability when operating under load and can handle a constant stall current of 3.5 A. The motor dissipates heat efficiently thanks to its thermal resistance of 0.87 °C/Watt. The 27-minute thermal time constant minimizes thermal stress during long operations by ensuring progressive temperature swings. Under dynamic load situations, the high torque output is provided by the peak torque capability of 14.8 Nm. It has a longer operational life and less maintenance needs because of its brushless design and long-life-bearing system. With its versatile design, this motor control system is ideal for a wide variety of speeds thanks to its complete torque availability.

The S33GNNA-RNNC-00 brushless motor also has an improved rotor design and high-energy magnets that contribute to its efficiency and performance. Fast acceleration and steady control are both provided by the medium rotor inertia. The S33G motor is more effective at matching loads and responding to controls due to its medium rotor inertia of 0.46 kg·m² × 10⁻³. Optimal operating conditions are maintained even after extended usage because of the motor's thermal properties that include its thermal time constant and thermal resistance. With all of these technological specifications, the S33G motor is an excellent choice for applications that require accurate motion.

Construction
Brushless
Continuous Stall Torque
19-45 lb-in (2.2 to 5.1 Nm)
Feedback Options
Hall sensor (primary), optional encoder secondary
Inductance (line-line)
Range from 10.3 to 25.2 mH
Magnet Material
Neodymium-iron-boron magnets
Operation Range
Torque maintained over wide speed range
Peak Torque
56-131 lb-in (6.3 to 14.8 Nm)
Pole Design
6 Poles
Power Connection
Standard terminations include flying leads and MS connectors
Product Name
Brushless Servo Motor
Speed
Maximum no-load not exceeding 14,000 rpm
Thermal Protection
Built-in; positive-temperature-coefficient (PTC)
Thermal Resistance
1.23 °C/Watt
Voltage
320 Vdc bus
Weight
Approximately 4.9 kg

Frequently Asked Questions about S33GNNA-RNNC-00:

Q: Does S33GNNA-RNNC-00 support continuous stall current?

A: Yes, it supports a continuous stall current of 3.5 A. This allows sustained performance under load without thermal overload.

Q: How does S33GNNA-RNNC-00 manage heat efficiently?

A: It has a thermal resistance of 0.87 °C/Watt. This ensures effective heat dissipation, maintaining optimal motor performance during continuous operation.

Q: Why is medium rotor inertia used in S33GNNA-RNNC-00?

A: Medium rotor inertia provides a balance between acceleration and stability. It improves load matching for precise motion control.

Q: Does S33GNNA-RNNC-00 deliver peak torque effectively?

A: Yes, it delivers a peak torque of 14.8 Nm. This ensures high torque performance for dynamic load conditions.

Q: How does S33GNNA-RNNC-00 ensure long operational life?

A: The brushless construction and long-life bearing system reduce maintenance. This enhances durability and consistent performance over time.


Internal Product Review

  • ‘‘The S33GNNA-RNNC-00 servo motor delivers excellent performance with a peak torque of 14.8 Nm and a continuous stall current of 3.5 A. Its thermal resistance of 0.87 °C/Watt ensures effective heat management. The medium rotor inertia of 0.46 kg·m² × 10⁻³ enhances load control precision.’’

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