ABB CMA126 3DDE300406 PCB Card

The ABB CMA126 3DDE300406 is a high-performance modular contactor designed for industrial automation and control applications. It is part of ABB’s renowned CMA series, known for reliability, durability, and flexibility in demanding environments. This contactor is widely used in motor control, power distribution, and automation systems, offering efficient switching and robust performance.

Its compact design, combined with advanced engineering, ensures seamless integration into various electrical setups. The CMA126 3DDE300406 is suitable for both AC and DC applications, making it a versatile choice for engineers and system integrators.

Product Parameters

Product Applications

The ABB CMA126 3DDE300406 is widely used in:

• Motor Control Systems – For starting, stopping, and reversing motors in industrial machinery.

• HVAC Systems – Controlling compressors, fans, and pumps.

• Power Distribution Panels – Switching and isolating circuits safely.

• Automation & Robotics – Enabling precise control in automated production lines.

• Lighting Control – Managing high-power lighting systems in commercial buildings.

• Renewable Energy Systems – Used in solar and wind power installations for reliable switching.

Product Advantages

1. High Durability – Engineered for long service life with millions of operations.

2. Compact Design – Space-saving for easy installation in control panels.

3. Versatile Compatibility – Works with both AC and DC power systems.

4. Low Power Consumption – Energy-efficient coil design reduces operational costs.

5. Easy Maintenance – Modular structure allows quick replacement and upgrades.

6. Reliable Performance – ABB’s quality assurance ensures stable operation under heavy loads.

7. Wide Temperature Range – Suitable for extreme industrial environments.

Frequently Asked Questions (FAQ)

1. What is the maximum load current for CMA126 3DDE300406?

   The contactor supports up to 12A AC and 10A DC.

2. Can this contactor be used for DC applications?

   Yes, it is rated for 24V DC operations.

3. What is the mechanical lifespan of this contactor?

   It can endure up to 10 million mechanical operations.

4. Is the CMA126 3DDE300406 suitable for high-vibration environments?

   Yes, its robust construction ensures stable performance in vibration-prone areas.

5. Does it support DIN rail mounting?

   Yes, it is designed for easy DIN rail installation.

6. What is the protection rating of this contactor?

   It has an IP20 rating, protecting against solid objects but not liquids.

7. Can I use this contactor for HVAC systems?

   Absolutely, it is commonly used in HVAC controls.

8. What is the operating temperature range?

   It functions reliably between -25°C and +55°C.

9. Are there auxiliary contacts available for this model?

   Yes, optional auxiliary contact blocks can be added.

10. Where can I find the wiring diagram for this contactor?

    Refer to the ABB official datasheet or user manual for wiring details.