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Home > Air Circuit Breaker (ACB) > Shanghai Dada ACB air Circuit Breaker DAA2-3200 Universal Circuit Breaker 80KA Fixed Circuit Breaker
Shanghai Dada ACB air Circuit Breaker DAA2-3200 Universal Circuit Breaker 80KA Fixed Circuit Breaker
Shanghai Dada ACB air Circuit Breaker DAA2-3200 Universal Circuit Breaker 80KA Fixed Circuit Breaker
Shanghai Dada ACB air Circuit Breaker DAA2-3200 Universal Circuit Breaker 80KA Fixed Circuit Breaker
Shanghai Dada ACB air Circuit Breaker DAA2-3200 Universal Circuit Breaker 80KA Fixed Circuit Breaker
Shanghai Dada ACB air Circuit Breaker DAA2-3200 Universal Circuit Breaker 80KA Fixed Circuit Breaker
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Shanghai Dada ACB air Circuit Breaker DAA2-3200 Universal Circuit Breaker 80KA Fixed Circuit Breaker
Shanghai Dada ACB air Circuit Breaker DAA2-3200 Universal Circuit Breaker 80KA Fixed Circuit Breaker
Shanghai Dada ACB air Circuit Breaker DAA2-3200 Universal Circuit Breaker 80KA Fixed Circuit Breaker
Shanghai Dada ACB air Circuit Breaker DAA2-3200 Universal Circuit Breaker 80KA Fixed Circuit Breaker
Shanghai Dada ACB air Circuit Breaker DAA2-3200 Universal Circuit Breaker 80KA Fixed Circuit Breaker

Shanghai Dada ACB air Circuit Breaker DAA2-3200 Universal Circuit Breaker 80KA Fixed Circuit Breaker

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Product Description

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Product Description
DAA series Low Voltage Air circuit breaker air circuit breaker is suitable for the circuit of AC 50Hz/60Hz with rated service voltage 400V, 690V and rated service current up to 6300A. It is mainly used to distribute electric energy and protect circuits and electric equipment against over-load, under-voltage, short-circuit and single-phase earthing fault. With intelligentized and selective protection functions, the breaker can improve the reliability of power supply, and avoid unnecessary power failure. The breaker is applicable for power stations, factories, mines (for 690V) and modern high-buildings, especially for the distribution system of intelligentized building.
DAA Air Circuit Breaker Feature 1 DAA Air Circuit Breaker Feature 2
Advantages provided for design and manufacture of LV assemblies
✓
High Breaking Capacity
High short-circuit breaking capacity with non-ionization distance: 380/400V (80-120kA) and 660/690V (50-85kA).
✓
Intelligent Protective Functions
Perfect intelligent protective functions utilizing electronic trip units based on advanced microprocessor techniques.
✓
Modular Structure
All modular design across the whole series, enabling simple maintenance and adjustment-free operation.
✓
Double Insulation
Safe and reliable double insulation design on the front face of the circuit breakers for maximum operational security.
✓
Compact & Light Weight
Optimized spatial footprint with an extremely compact and light-in-weight design.
✓
Complete Accessories
A complete range of accessories common for the entire product series.
Compliance with International and National Standards: IEC 947-2 | GB14048.2
Technical Specifications
Type DAA1-1000 DAA1-2000 DAA2-3200 DAA3-4000 DAA4-6300
Frame rated current Inm (A) 1000 2000 3200 4000 6300
Number of poles 3, 4 3, 4 3, 4 3, 4 3, 4
Rated current In (A) 200, 400, 630, 800, 1000 400, 630, 800, 1000, 1250, 1600, 2000 2000, 2500, 3200 4000 5000, 6300
Icu (kA) O-CO 400V 42 80 100 100 120
690V 25 50 65 65 85
Ics (kA) O-CO-CO 400V 30 50 65 65 100
690V 20 40 50 50 80
Icw (kA) O-CO 400V 20 50 65 65/80 (MCR) 85/100 (MCR)
690V 20 40 50 50/65 (MCR) 65/75 (MCR)
Rated current at N-pole In (A) 50%In, 100%In
Inherent making & breaking time 23-32ms
Operational performance (operations) Electric life 500
Mechanical life 9500
Mounting mode Fixed with drawable
Arcing distance (mm) 0
Intelligent controller Standard type (M) / Telecommunication type (H)
DAA Air Circuit Breaker Design Structure 1 DAA Air Circuit Breaker Design Structure 2 DAA Air Circuit Breaker Design Structure 3
Frequently Asked Questions (FAQ)
What are the primary applications of the DAA series Air Circuit Breaker?
The DAA series Air Circuit Breaker is widely used in power stations, factories, mines (specifically for 690V environments), and modern high-rise buildings, especially within the distribution systems of intelligent buildings.
What protection capabilities does the DAA series offer?
It features intelligent and selective protection functions to prevent overloads, under-voltage, short-circuits, and single-phase earthing faults, thereby improving overall power supply reliability and avoiding unnecessary power interruptions.
What international standards does this air circuit breaker comply with?
The DAA series air circuit breaker fully complies with standard IEC 947-2 as well as the national standard GB14048.2.
What mounting options are available for the DAA series Air Circuit Breakers?
The DAA series supports both fixed and drawable configurations, allowing for versatile installation options tailored to the design requirements of low voltage assemblies.
What are the maximum rated service current and voltage ranges for the DAA series?
The DAA series is suitable for AC 50Hz/60Hz circuits with rated service voltages of 400V and 690V, supporting a rated service current up to 6300A.
How does the intelligent trip unit system work?
It operates using a microprocessor-based electronic trip unit with standard (M) and telecommunication (H) control options, providing precise monitoring and safety controls.

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