Features:
Stable Thermomagnetic Protection: Long-delay inverse-time overload protection + instantaneous short-circuit protection, no derating required up to 50℃, adaptable to varying environments.
Breakthrough and Safety: Breaking capacity 16-55kA, adaptable to different short-circuit levels; compact 70mm depth, phase separators enhance insulation safety.
Installation and Maintenance: Insert-type base supports quick replacement and maintenance; door-coupled handle allows for external operation, improving maintenance convenience.
Universal Accessories: Modular and universal internal accessories across the entire series, allowing for the addition of shunt excitation, undervoltage, auxiliary contacts, etc., adaptable to various control circuits.
AC/DC Compatibility: Supports both AC and DC applications, adaptable to DC scenarios such as energy storage and UPS, broadening the application range.
Typical Applications:
Industrial Sector: Factory secondary power distribution, motor control circuits (thermomagnetic trip adaptable), frequency converter control cabinets, transformer/capacitor protection, adaptable to small to medium capacity and frequent start-stop scenarios. Commercial and industrial buildings and infrastructure: Building power distribution trunk lines, power circuits for air conditioning/water pumps, and UPS input terminals for data centers; plug-in installation for easy maintenance (Siemens).
Residential and small commercial buildings: Main switches and branch circuit protection in distribution boxes; thermal-magnetic protection provides reliable basic protection (Siemens).
