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Air Circuit Breaker DMX³ 2500A | 65 kA Breaking Capacity | Draw-Out Version | Electronic Protection Unit | @EA of 1 | by Legrand
The Air Circuit Breaker DMX³ 2500A is engineered for high power protection in industrial electrical installations. With a robust 65 kA breaking capacity and a draw-out design for easy maintenance, it features an electronic protection unit and integrated earth fault protection. Ideal for low voltage distribution systems, this breaker ensures reliability and safety in commercial and industrial settings.
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Technical Specifications
- Rated permanent current: 2500 A
- Rated voltage: 230-690 V
- Rated short-circuit breaking capacity (Icu) at 400 V, 50 Hz: 65 kA
- Overload release current setting: 1000-2500 A
- Adjustment range short-term delayed short-circuit release: 1500-25000 A
- Adjustment range undelayed short-circuit release: 5000-65000 A
- Device construction: Built-in slide-in technique (withdrawable)
- Integrated earth fault protection: Yes
- Number of poles: 3
- Number of auxiliary contacts (normally closed): 4
- Number of auxiliary contacts (change-over): 4
- With switched-off indicator: Yes
- Position of connection for main current circuit: Back side
- Type of control element: Push button
- Complete device with protection unit: Yes
- Motor drive integrated: Yes
- Motor drive optional: Yes
- Degree of protection (IP): IP30
- Dimensions (H x L x W): 400mm x 250mm x 300mm
- Weight: 45 kg
Key Features
- Breaking capacity of 65kA according to EN/IEC 60947-2
- Draw-out version with Debro-lift mechanism for easy withdrawal
- Electronic protection unit with MP4 or MP6 modules
- Thermal protection adjustable from 0.4 to 1.0 of rated current
- Magnetic protection adjustable from 1.5 to 10 times rated current
- Integrated earth fault protection
- Motor drive integrated and optional
- IP30 degree of protection
- Push button control element
- Multiple auxiliary contacts (4 normally closed, 4 change-over)
- Back side connection for main current circuit
Professional Installation Requirements
- Installation and commissioning must be performed by a qualified electrician experienced with high power electrical switchgear to ensure compliance with safety standards and optimal performance.
Applications
- Industrial electrical installations requiring high power protection
- Low voltage electrical distribution systems
- Switchboards and power cabinets in commercial and industrial facilities
Standards & Compliance
- AS/NZS 60950 – Safety of IT and Communication Equipment
Environmental Benefits
- Enhances energy efficiency by ensuring reliable electrical protection and reducing downtime
- Supports green aspects by improving plant energy continuity and safety
Warranty Information
Standard manufacturer warranty applies, typically 1-2 years against manufacturing defects.
Available Now
The Legrand DMX³ 2500A Air Circuit Breaker is available for immediate purchase, ideal for high power industrial and commercial electrical protection applications.
