Products Description
ZX2 Series Resistors are electrical components primarily used in electric motor control systems. They are suitable for AC circuits operating at 50 Hz with voltages of up to 500 V, as well as DC circuits with a voltage of 440 V. Their main functions include motor starting, speed control, and braking. By providing resistance in the circuit, these products help regulate current and improve the operating conditions of electric motors during startup and operation. ZX2 Series Resistors are assembled using ZB1 or ZB2 cast resistor elements. Depending on the type of resistor elements used, they are available in two models: ZX2-1 and ZX2-2. The product capacity is approximately 3.5 kW. Featuring a practical structural design, these resistors are suitable for various motor control applications and can meet the operating requirements of industrial machinery and related electrical systems.
Product Advantages
Stable Starting Control
By regulating the starting current through resistor elements, the product helps electric motors start smoothly and improves electrical operating conditions during startup.
Practical Speed Control
The product works with motor control systems to support speed adjustment, meeting the operating speed requirements of different types of equipment.
Reliable Braking Assistance
By participating in the electrical braking process, the resistor helps electric motors perform the required braking operations and meet equipment operating requirements.
Reasonable Structural Design
The product adopts a combination of ZB1 or ZB2 cast resistor elements. Its overall structure is clearly arranged, making installation and routine inspection more convenient.
Wide Application Range
Suitable for AC and DC motor control circuits, the product can be used in various industrial equipment and mechanical transmission systems.
Stable Operating Performance
The reasonable combination of resistor elements helps maintain stable operating conditions and supports the requirements of industrial equipment during operation.
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Relevant Data
| Model | Resistance at +20°C (Ω) - Total | Resistance at +20°C (Ω) - Per Element | Rated Current (A) | Number of Turns of Resistance Elements | Constantan Wire Dimensions (mm) | Resistor Weight (kg) |
| ZX2-1/0.2 | 2 | 0.2 | 43 | 15 | 10 × 1.0 | 21.2 |
| ZX2-1/0.25 | 2.5 | 0.25 | 38 | 15 | 10 × 0.8 | 20.5 |
| ZX2-1/0.33 | 3.3 | 0.33 | 32 | 15 | 10 × 0.6 | 19.7 |
| ZX2-1/0.4 | 4 | 0.4 | 29 | 15 | 10 × 0.5 | 19.1 |
| ZX2-1/0.5 | 5 | 0.5 | 26 | 15 | 10 × 0.4 | 18.8 |
| ZX2-1/0.66 | 6.6 | 0.66 | 23 | 15 | 10 × 0.3 | 18.4 |
| ZX2-2/0.7 | 7 | 0.7 | 22.3 | 2 × 36 | 2.0 | 22.4 |
| ZX2-2/0.9 | 9 | 0.9 | 19.9 | 2 × 36 | 1.8 | 21.3 |
| ZX2-2/1.1 | 11 | 1.1 | 17.7 | 2 × 36 | 1.6 | 20.4 |
| ZX2-2/1.45 | 14.5 | 1.45 | 15.4 | 2 × 36 | 1.4 | 19.5 |
| ZX2-2/1.95 | 19.5 | 1.95 | 13.8 | 2 × 36 | 1.2 | 18.8 |
| ZX2-2/2.8 | 28 | 2.8 | 11.2 | 74 | 2.0 | 22.2 |
| ZX2-2/3.5 | 35 | 3.5 | 10.1 | 74 | 1.8 | 21.1 |
| ZX2-2/4.4 | 44 | 4.4 | 8.9 | 74 | 1.6 | 20.2 |
| ZX2-2/5.8 | 58 | 5.8 | 7.7 | 74 | 1.4 | 19.3 |
| ZX2-2/8 | 80 | 8 | 6.6 | 74 | 1.2 | 18.6 |
| ZX2-2/12 | 120 | 12 | 5.4 | 112 | 1.2 | 20.1 |
| ZX2-2/18 | 180 | 18 | 4.4 | 112 | 1.0 | 19.2 |
FAQ
Q: What types of circuits are ZX2 Series Resistors suitable for?
A: ZX2 Series Resistors are suitable for corresponding AC circuits operating at 50 Hz with voltages of up to 500 V, as well as DC circuits with a voltage of 440 V. They are primarily used in electric motor control systems. Actual selection should be based on the electrical design of the equipment and the applicable operating conditions of the product.
Q: What is the difference between ZX2-1 and ZX2-2 resistors?
A: The main difference between these two models lies in the types of resistor elements they use. The ZX2-1 model is assembled using ZB1 cast resistor elements, while the ZX2-2 model uses ZB2 cast resistor elements. Users can select the appropriate model according to the requirements of their motor control systems.
Factory Environment
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