Description
The OMC8X DC Miniature Circuit Breaker provides protection for direct current circuits against overload and short-circuit faults. It supports defined DC voltage levels and multiple tripping characteristics for different load conditions. The device is suitable for modular DC distribution and control systems operating within specified limits.
Key Features & Benefits
- Dedicated DC network design: Supports DC systems with rated operational voltages up to 500V DC for controlled circuit protection.
- Multiple tripping curve options: 4In, 8In, and 10In curves allow coordination with various DC load characteristics.
- Selectable breaking capacities: 3kA, 4.5kA, and 6kA options support different fault current levels in DC installations.
- Compact pole configurations: 1P and 2P designs enable flexible integration into DC distribution layouts.
Applications
- DC power distribution systems
- Battery energy storage systems
- Photovoltaic DC circuits
- Industrial DC control panels
- Telecommunications and auxiliary DC power systems
FAQ
Is the OMC8X DC MCB suitable for AC applications?
No. This model is designed specifically for DC networks and should only be used within the specified DC voltage ranges.
How should the tripping curve be selected for a DC system?
The selection depends on the load characteristics, with 4In, 8In, or 10In curves used to match different inrush current behaviors.
What standards does this DC miniature circuit breaker comply with?
The product complies with IEC/EN 60947-2 and GB14048.2 standards and holds CB, CE, UKCA, SAA, CCC, ISO, and ROHS certifications.
What conductor sizes are supported for installation?
The terminals support conductor cross-sections from 1 to 25 mm² with a tightening torque of 2.5 Nm.
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