The GA&DA GDDC1-125 1P DC 250V 125A Miniature Circuit Breaker (MCB) is a robust and efficient protection device engineered for DC power systems. With a high current rating of 125A and a voltage capacity of 250V DC, it is specifically designed to handle demanding applications such as solar PV systems, battery storage setups, and DC distribution panels.
This single-pole MCB provides effective protection against overload and short-circuit conditions by automatically disconnecting the circuit during faults. Its fast response mechanism ensures that connected equipment remains safe from electrical damage, improving system reliability and safety.
Built according to international standards like IEC/EN60947-2, this DC breaker offers consistent performance and high breaking capacity (typically up to 6kA–10kA), allowing it to safely interrupt fault currents in high-power DC environments.
The breaker features a durable thermoplastic housing that is impact-resistant, heat-resistant, and flame-retardant, ensuring long service life even in harsh conditions. Its DIN rail mounting design allows quick and easy installation in electrical panels, combiner boxes, and control systems.
Widely used in solar energy systems, telecom equipment, industrial control panels, and battery protection circuits, the GA&DA GDDC1-125 is a dependable solution for maintaining safe and stable DC power distribution.
Key Features:
Rated voltage: 250V DC for DC applications
High current capacity: 125A for heavy-duty systems
1-pole design for single-line protection
Protects against overloads and short circuits
High breaking capacity for safe fault interruption
DIN rail mounting for easy installation
Durable, flame-retardant thermoplastic construction
Suitable for solar PV systems, batteries, and industrial DC circuits
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