3 Phase Air Circuit Breaker

This CDADA 3 phase air circuit breaker is engineered for AC 50Hz 690V networks with 400A-6300A current range for diverse industrial use. As a professional factory, our product delivers full protection against overload, short circuit, undervoltage and single-phase grounding faults. This advanced 3P ACB features intelligent protection and open communication with Four Remotes, ensuring reliable performance for all power distribution needs.

Product Parameter (Specification)

Product Feature And Application

The CDADA 3 phase air circuit breaker is designed for diverse applications including power plants, substations, and large-scale manufacturing facilities. Available in both fixed and drawer types, it supports hot-swap maintenance, reducing downtime. Equipped with intelligent controllers, users can customize protection settings according to specific needs.

Key Features:

● Intelligent Controller Options: bse5 (H type), bse4 (M type), bse3 (L type)

● Protection Functions: Overload long delay inverse time limit, short delay inverse time limit, definite time limit, instantaneous function, single-phase grounding protection

● Display & Alarm Functions: Real-time current and voltage display, overload alarm, self-check function

● Communication Interface: Open protocol supporting “Four Remotes”

Production Details

Manufactured by SHANGHAI DADA ELECTRIC CO.,LTD, every 3 phase ACB undergoes rigorous testing and quality control processes. 

Key features include:

● Material Quality: Oxygen-free copper contacts with silver alloy overlays

● Temperature Range: Operates within ambient temperatures of -5°C to +40°C, with options for lower (-10°C or -25°C) and higher (+40°C) extremes upon request

● Altitude Operation: Up to 2000m altitude, with adjustments available for higher altitudes

● Environmental Resistance: IP30 protection level, suitable for pollution level III environments

Maintenance Tips:

● Regular inspection of contact surfaces and arc chutes

● Ensure proper alignment and secure mounting

● Periodic testing of intelligent controller functions

FAQ

Q1: What are the different installation methods available for CDADA 3 phase ACB?

A1: CDADA 3 Phase Air Circuit Breakers are available in both fixed and drawer types, allowing flexibility based on your installation needs.

Q2: Can this breaker be used in three-pole and four-pole configurations?

A2: Yes, the CDADA 3 phase ACB is available in both 3P (standard) and 4P configurations, depending on your application requirements.

Q3: Does the 3 phase ACB come with an intelligent controller?

A3: While the base model can function as an isolator without an intelligent controller, optional intelligent controllers (bse5, bse4, bse3) are available for enhanced protection and remote monitoring.

Q4: How does the impulse withstand voltage vary with altitude?

A4: The impulse withstand voltage is 8000V at 2000 meters altitude and should not exceed 12000V at higher altitudes.

Q5: Is the CDADA 3 phase ACB compliant with international standards?

A5: Yes, the CDADA 3 phase ACB complies with both national (GB14048.2) and international (IEC60947-2) standards, ensuring its applicability worldwide.