CDV2s-32 Series Motor Start Protector by Delixi Electric

The CDV2s-32 Series Motor Start Protector (full name: CDV2s Motor Circuit Breaker) from Delixi Electric is an intelligent protection device specifically designed for three-phase AC motors. It integrates the functions of a circuit breaker and a thermal overload relay, and can directly replace the traditional “автоматический выключатель + thermal relay” combination solution. It is suitable for various motor control scenarios in industrial, commercial and other fields. The following is its core information:

1. Основные функции и технические параметры
2. Protection Capabilities

Full-scenario Protection: Supports multiple protection functions such as short circuit, overload, phase failure and undervoltage, with precise operation realized through the built-in intelligent release.

Phase Failure Protection Characteristics: When the load of any two phases is unbalanced (например, phase failure), it will operate within 2 hours under 1.15 раз номинальный ток, effectively preventing the motor from being burned due to phase loss.

Short-circuit Breaking Capacity: The minimum breaking capacity is 10kA, and the maximum can reach 100kA (depending on the specific model), which can handle high short-circuit current scenarios.

2. Electrical Parameters

Номинальное напряжение: AC 50/60Hz, with a maximum support of 690V (covering common industrial voltages such as 380V and 400V).

Настройка текущего диапазона: 0.1-32А, providing 15 subdivided specifications (например, 0.1-0.16А, 24-32А, и т. д.), suitable for motors ranging from 0.06kW to 22kW.

AC-3 Application Category: It can directly control the start and stop of the motor, and is suitable for occasions with infrequent operations (например, ≤120 times per hour); for frequent operations, it is recommended to use it with a contactor.

3. Сертификаты и стандарты

It has obtained international certifications such as CCC, CE, SEMKO and CB, and complies with the standards of IEC 60947-4-1 (Low-voltage Switchgear) и ГБ/Т 14048.4 (Motor Protection Circuit Breakers).

1. Design and Installation
2. Compact Structure

With a width of only 45mm, it can be directly installed on a 35mm standard guide rail, экономия места в распределительной коробке.

The modular design supports expansion accessories, such as auxiliary contacts (front-mounted/side-mounted), undervoltage releases, шунтирующие расцепители, и т. д., to meet complex control requirements.

2. Convenient Operation

Button-type Control: The start, stop and reset of the motor are realized through the panel buttons, with intuitive operation.

Tool-free Installation: The release and the circuit breaker are connected by a snap-fit design, supporting one-handed quick assembly and disassembly.

Wiring Design: It is equipped with upper and lower double-hole terminal blocks, supporting the connection of multi-strand hard wires or flexible wires, with a maximum wire cross-sectional area of up to 6mm².

III. Сценарии применения

1. Direct Motor Driven

It can replace the contactor to directly control the motor under low operating frequency (например, фанаты, water pumps), simplifying the circuit design.

Typical Cases: The 17-23A specification can drive a 15kW motor, and the 24-32A specification can drive a 22kW motor.

2. Use with Contactors

For equipment that starts and stops frequently (например, conveyors, compressors), it is recommended to be combined with CJX2s series contactors to extend the service life.

Wiring Scheme: The CDV2s serves as the power-side protection, and the contactor is responsible for frequent on-off operations, forming a complete “protection + control” solution.

3. Replacement of Imported Solutions

It is compatible with the installation dimensions and functions of similar products such as Schneider GV2-ME and Siemens 3VL, and can be directly replaced to reduce costs.

1. Model Selection and Price Reference
2. Specification Selection

Select the corresponding setting range according to the rated current of the motor. Например:

For a 1.5kW motor (rated current of approximately 3A), select the 0.63-1A specification;

For a 15kW motor (rated current of approximately 30A), select the 24-32A specification.

If auxiliary contact status feedback is required, models with “1НЕТ + 1Северная Каролина” или “2НЕТ” auxiliary contacts can be selected.

2. Ценовой диапазон

The price of the basic model (without auxiliary contacts) is approximately 13.96-175.77 юаней, depending on the current specification:

Small current range (например, 0.1-0.16А): примерно 14-30 юаней;

Large current range (например, 24-32А): примерно 150-176 юаней.

The price of models with auxiliary contacts or waterproof enclosures will increase by 20%-30%.

1. Installation and Maintenance Recommendations
2. Экологические требования

Operating Temperature Range: -5от ℃ до +40 ℃, humidity ≤90%RH (нет конденсата).

Avoid installation in environments with high temperature, strong vibration or strong electromagnetic interference.

2. Wiring Precautions

The main circuit wiring must be firm to avoid heat generation caused by poor contact;

For the wiring of auxiliary contacts, the normally open (НЕТ) и нормально закрытый (Северная Каролина) contacts must be distinguished, and connected according to the control logic.

3. Регулярное техническое обслуживание

Check the wear of the contacts every 6 months, and replace them in time if there is ablation;

Test the tripping characteristics every year to ensure the normal operation of the protection function.