Heavy-Duty Protection for High Power Electrical Systems
The ACB Air Circuit Breaker is designed to protect low-voltage electrical systems from overloads, short circuits, earth faults, and abnormal operating conditions. It is commonly installed as the main incomer or feeder breaker in LT panels, power distribution systems, and industrial plants.
Moreover, ACBs use air as the arc extinguishing medium, ensuring fast interruption and high reliability. Because they handle very high current ratings, they provide stable protection for transformers, generators, solar plants, and critical power infrastructure.
🛡️ Protection Functions
✅ Overload protection
✅ Short circuit protection
✅ Earth fault protection
✅ Adjustable trip settings
✅ Selective coordination
✅ Remote monitoring support
Therefore, system safety and uptime improve significantly.
⭐ Key Features & Benefits
✅ High current capacity up to 6300A
✅ High breaking capacity up to 100kA
✅ Draw-out or fixed mounting options
✅ Electronic or thermal trip units
✅ Communication ready (Modbus / BMS)
✅ Long mechanical and electrical life
✅ Easy maintenance and testing
✅ Interlock safety mechanisms
✅ IEC certified compliance
🏗️ Applications
Ideal for:
🏭 Industrial power distribution
🏢 Commercial buildings and malls
🏥 Hospitals and data centers
☀️ Solar power plants
⚡ Generator synchronization panels
🏗️ Infrastructure projects
📊 Technical Specifications (Typical)
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Product Type: Air Circuit Breaker (ACB)
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Rated Current: 800A – 6300A
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Rated Voltage: 415V AC
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Poles: 3P / 4P
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Breaking Capacity: 50kA – 100kA
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Trip Unit: Electronic / Micrologic
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Mounting: Fixed / Draw-out
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Communication: Optional Modbus / Ethernet
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Mechanical Life: 20,000+ operations
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Standards: IEC 60947-2
🛒 Why Buy from SMS Engineering?
At SMS Engineering, we supply original ACBs from Schneider, ABB, Terasaki, Hyundai, and LS. We also provide panel integration support, sizing guidance, competitive market pricing (MT), and fast delivery across Pakistan 🇵🇰.
🔗 Internal links:
https://www.smsengs.com/product/lt-panel-low-tension-panel/
https://www.smsengs.com/product/ats-panel/
https://www.smsengs.com/product/power-factor-panel/
🌐 External links:
https://en.wikipedia.org/wiki/Air_circuit_breaker
