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FANUC A06B A06B-0553-B831

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A06B-0553-B831

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The FANUC A06B-0553-B831 is an AC servo motor characterized by high efficiency and performance. With a rated voltage of 141 V AC, it achieves a considerable holding torque of 38 Nm and operates continuously at a speed of 3000 revolutions per minute.

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Technical specifications for A06B-0553-B831

ManufacturerFANUC
Product TypeAC servo motor
Product LineA06B
Part NumberA06B-0553-B831
Weight12.00 lbs (5.44 kg)
Maximum Holding Torque38 Nm (at stall)
Peak Holding Current36 A (rms)
Rated Supply Voltage141 V AC
Rotor ExcitationPermanent-magnet
Winding Insulation GradeClass F
Electrical Phases3-phase
Pole Quantity8
Rated Speed3000 min⁻¹ (continuous)
Torque-to-Current Ratio≈ 1.06 Nm/A
Shaft StyleStraight shaft with keyway
Cooling MethodNatural convection
Enclosure ProtectionIP65 (optionally IP67)
Position Feedback EncoderIncremental, 2000 pulses/rev
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FANUC’s A06B-0553-B831 is a highly capable AC servo motor, refined for applications where precision and reliability are paramount. This motor can generate a maximum holding torque of 38 Nm when stalled and is outfitted with a peak holding current of 36 A (rms). At its core, the motor maintains a rated supply voltage of 141 V AC, making it suitable for various industrial applications.

Its design employs permanent-magnet rotor excitation for enhanced efficiency and performance. The motor features continuous operation at a rated speed of 3000 min⁻¹, ensuring optimal functionality during prolonged use. With a torque-to-current ratio of approximately 1.06 Nm/A, this model effectively translates electrical energy into mechanical output.

The A06B-0553-B831 features a straight shaft with a keyway, facilitating seamless integration into various drive systems. Cooling is facilitated through natural convection, promoting safe operational temperatures. This servo motor is designed with an IP65 rating for its enclosure, providing excellent resistance to dust and water ingress. An optional upgrade to IP67 offers additional protection for more challenging conditions. The inclusion of a position feedback encoder with an incremental resolution of 2000 pulses per revolution enhances its capability for precise position control—an essential feature for closed-loop systems.