LIVE Electrical DCM450C 4-Pole 50A C Curve 6kA DC Miniature Circuit Breaker

Product Overview

The LIVE Electrical DCM450C 4-Pole DC Miniature Circuit Breaker is a high-capacity protective device designed for reliable operation in direct current (DC) systems up to 1000V. With a rated current of 50A and a 6kA breaking capacity, this breaker provides excellent protection against overloads and short circuits in demanding electrical installations. Its C-curve thermo-magnetic release ensures consistent performance in circuits subject to moderate inrush currents, such as those found in industrial, renewable energy, and EV charging systems.

Built to comply with IEC/EN 60898-2 standards, the DCM450C delivers dependable safety and durability. It features IP20 touch-safe terminals for user protection and a DIN rail mountable housing for quick, simple installation within control panels or DC distribution boards.

Key Features & Benefits

• Poles: 4P – suitable for multi-string DC circuits and high-voltage protection.
• Rated current (In): 50A.
• Rated voltage (Ue DC): Up to 1000V DC (4-pole).
• Breaking capacity: 6kA – delivers strong short-circuit and overload protection.
• Trip curve: C-curve thermo-magnetic release ideal for moderate inrush loads.
• Protection rating: IP20 – touch-safe design enhances operational safety.
• Compliance: Certified to IEC/EN 60898-2 for reliable DC circuit protection.
• Mounting: Standard DIN rail – allows for fast and secure panel integration.

Typical Applications

• Solar photovoltaic (PV) installations and combiner boxes
• Battery energy storage systems (BESS)
• Electric vehicle (EV) charging equipment
• Industrial automation and DC distribution panels
• Off-grid, renewable, and telecommunications systems

Downloads

Download DCM450C Data Sheet (PDF)

Download LIVE Electrical Catalogue (PDF)