The GA&DA GDDC5-63 DC 500V 2P Miniature Circuit Breaker (MCB) is a high-performance protection device specifically designed for DC power systems, including solar PV installations, battery systems, and industrial applications. With a 2-pole configuration and 500V DC rating, it ensures safe disconnection and reliable circuit protection.
This DC MCB is engineered to protect electrical circuits from overload and short-circuit conditions by automatically interrupting fault currents. It typically offers a high breaking capacity (around 6kA), allowing it to safely handle fault conditions without damaging connected equipment.
Designed with a thermal-magnetic trip mechanism, the breaker provides dual protection—thermal protection for overloads and magnetic protection for instant short-circuit response. Its polarized design (in most DC models) ensures proper arc extinguishing, which is critical for DC systems where arc suppression is more challenging than AC.
The compact DIN rail mounting design allows easy installation in distribution boards and solar combiner boxes. Built with durable and flame-retardant materials, the GA&DA GDDC5-63 ensures long service life and reliable performance even in demanding environments.
This MCB is ideal for solar PV systems, DC distribution panels, battery banks, and industrial control systems where dependable DC protection is essential.
Key Features:
Rated voltage: 500V DC for solar and DC systems
2-pole design for dual line protection
High breaking capacity (~6kA) for safe fault interruption
Thermal-magnetic trip mechanism for reliable protection
Fast response to overload and short-circuit conditions
DIN rail mounting for easy installation
Durable and flame-retardant construction
Suitable for solar PV, battery, and industrial DC applications
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