T23NRHK-LNN-NS-00
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The T23NRHK-LNN-NS-00 is a NEMA 23 frame stepper motor with a holding torque of 3.36 Nm and a step angle of 1.8°. Manufactured by Pacific Scientific as part of their T High Torque Motors Series, it operates with a current per phase of 3.0 A. This motor weighs 1.16 kg and has a rotor inertia of 410 g-cm².
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Product Description:
The T23NRHK-LNN-NS-00 high torque motor is mainly used in machines where precise and repeatable movement is needed. It is built by Pacific Scientific and is well-regarded in the motion control industry for its long-standing engineering depth and reliable product quality.
The T23NRHK-LNN-NS-00 torque motor is a two-phase unit with a standard step angle of 1.8 degrees by resulting in 200 steps per full revolution. This step increment allows for moderate resolution in control fields. The motor operates at a rated voltage of 1.68 volts which is applied per phase during normal operation. It draws 6.0 amps of current per phase by making it suitable for applications requiring strong holding torque at low speeds without active cooling systems. The motor is RoHS compliant and carries certification marks including CE and UL recognition which shows adherence to safety requirements. It can handle up to 61 watts of heat dissipation by assuming it is placed in still air at 40°C and does not use a heatsink. The internal windings are rated for 105°C and exceeding this temperature may lead to insulation degradation or performance shift. The construction follows a housing-less square frame format by contributing to compactness while maintaining mechanical rigidity.
The T23NRHK-LNN-NS-00 motor includes impedance protection which allows protection during startup and helps maintain working across varying load conditions. Its physical and thermal profile enables functioning in industrial automation and it should not be operated above its rated current which can cause partial or complete demagnetization of the rotor. The motor holds a fixed step angle and current profile with a bipolar stepper drive using micro-stepping or full-step control methods without requiring further adjustments.
Frequently Asked Questions about T23NRHK-LNN-NS-00:
Q: Can the T23NRHK-LNN-NS-00 motor be used without a heatsink?
A: Yes, it can operate in still air at 40°C without a heatsink, but must stay within its 61W thermal limit and 105°C winding rating.
Q: What is the step angle of the T23NRHK-LNN-NS-00 motor from Pacific Scientific?
A: The T23NRHK-LNN-NS-00 features a 1.8° step angle, enabling 200 discrete steps per revolution for controlled linear or rotary motion applications.
Q: Is it safe to run the T23NRHK-LNN-NS-00 motor over its rated current?
A: No, exceeding the rated 6.0 A/phase current may cause rotor demagnetization and permanent torque loss.
Q: What type of frame design does the T23NRHK-LNN-NS-00 use?
A: This model uses a housingless square frame, offering compact installation and good thermal transfer without additional enclosure requirements.
Q: What voltage rating does the T23NRHK-LNN-NS-00 motor require?
A: It operates at 1.68 V per phase, matched for low-impedance bipolar stepper drive systems.
