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NEMA 8 Stepper Motor, 24V 0.5A, 1.8 Degree, 2 Phase 4 Wires

NEMA 8 Stepper Motor, 24V 0.5A, 1.8 Degree, 2 Phase 4 Wires
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Lead Time 4-10 days
MOQ 1
NEMA 8 Stepper Motor, 24V 0.5A, 1.8 Degree, 2 Phase 4 Wires
  • Stock: In Stock
  • Model: P-20HS30-42-0504A
  • SKU: P-20HS30-42-0504A
$71.89
Ex Tax: $71.89

Available Options

New style small NEMA 8 stepper motor for sale, 24V rated voltage, 0.5 rated current, 1.8 degree step angle, 0.18kg-cm / 0.25kg-cm (2.6oz-in / 3.5oz-in) holding torque per phase, 20*20mm rectangle body, 14.4mm long and 4mm diameter drive shaft. Suitable for industrial automation, robotics, textile and medical industries.

Specification

Electrical SpecificationModelP-20HS30-0504AP-20HS42-0504A
Step Angle1.8°1.8°
Voltage24V24V
Rated Current/phase0.5A0.5A
Phase Resistance4.8Ω7.5Ω
Inductance1.3mH2.4mH
Holding Torque0.18kg-cm (2.6oz-in)0.25kg-cm (3.5oz-in)
Rotor Inertia2.5g-cm24.5g-cm2
Physical SpecificationLength30mm42mm
Frame Size20 x 20mm20 x 20mm
Motor Leads44
Motor Weight50g50g
Electrical PerformanceStep Accuracy±5%±5%
Temperature Rise80℃ Max.80℃ Max.
Ambient Temperature-10℃~+50℃-10℃~+50℃
Insulation Resistance100MΩ Min. 500VDC100MΩ Min. 500VDC
Dielectric Strength500VAC 1Min.500VAC 1Min.

Nema 8 Stepper Motor Dimension (Unit=mm)

Nema 8 Stepper Motor Dimension

Nema 8 Stepper Motor Wiring Diagram

Nema 8 Stepper Motor Wiring Diagram

KNOWLEDGE BASE --- Advantages and Disadvantages of Stepper Motor

Advantages:

1. The rotation angle of stepper motor is proportional to the input pulse.

2. When the windings are energized, the motor torque is in a completely static state.

3. Since the accuracy of a good stepper motor is 3%-5%, the error will not be accumulated from one step to the next, the stepper motor can accurately position and repeatedly move.

4. Stepper motor has excellent response to start/stop/reverse.

5. Because there is no contact with the brush on the stepper motor, it is very reliable. The service life of the stepper motor depends only on the life of the bearing.

6. The motor's response to the digital input pulse provides open-loop control, which enables the motor to be controlled more simply and at low cost.

7. The load is directly coupled to the shaft, which can achieve synchronous rotation at very low speeds.

8. When the speed is proportional to the frequency of the input pulse, a wider range of rotation speed can be achieved.

Disadvantages:

1. Resonance may occur if it is not properly controlled.

2. If the speed is too fast, it is difficult to operate.

Open-loop control:

One of the most remarkable advantages of the stepper motor is that it can be precisely controlled in an open-loop system. Open-loop control means that feedback about position is not required. This type of control doesn't need expensive sensing and feedback devices, such as optical encoders. Simply enter step pulse tracking to know the moment.


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