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Circuit breaker 300A 48V
Circuit breaker 300A 48V- auto pentru diverse aplicații cu intrări de curent continuu.
Specificații circuit breaker 300A 48V:
Circuit breaker 300A 48V
Garanția 1 an pentru circuit breaker 300A 48V.
A 300A, 48V circuit breaker is a protection device designed to safeguard electrical circuits from overloads or short circuits. In solar power systems or energy storage setups (such as battery banks), a circuit breaker like this is essential for controlling high currents, especially in 48V DC systems often used in off-grid solar systems, battery backups, or renewable energy setups.
Key Features to Look For:
1. Current Rating (300A):
This refers to the maximum continuous current the breaker can handle without tripping. In your case, the breaker will trip if the current exceeds 300 amps, protecting the circuit from overcurrent damage.
2. Voltage Rating (48V):
This breaker is rated for use in systems operating at 48 volts DC. This is common in solar battery banks, inverters, and other renewable energy setups.
3. DC Compatibility:
Ensure the breaker is specifically designed for DC (direct current) applications. AC and DC breakers are different in terms of arc suppression because DC maintains constant current flow, making arcs more difficult to extinguish.
4. Trip Characteristics:
Circuit breakers have different types of tripping curves (B, C, D, etc.), which indicate how fast they trip in response to overload conditions. For instance, a Type C breaker trips more slowly, which can be beneficial for systems with surge currents (like inverters).
5. Mounting Type:
Some circuit breakers are panel-mounted, while others might be DIN rail-mounted, so ensure the breaker fits your setup’s mounting requirements.
6. Poles:
Single-pole or double-pole breakers are available. In DC circuits, double-pole breakers are often used for disconnecting both the positive and negative sides of the circuit.
7. Interrupt Rating (KA Rating):
This indicates how much short-circuit current the breaker can safely interrupt without being damaged. Look for a breaker with an adequate interrupt rating for your system’s potential short-circuit current. For example, if your system might experience a short-circuit current of 10kA (10,000A), ensure the breaker has a 10kA rating or higher.
Applications of a 300A, 48V Circuit Breaker:
Solar Power Systems: Used to protect the wiring between the solar panels, charge controller, battery bank, or inverter in a 48V system.
Battery Protection: Commonly installed in systems using large 48V battery banks to prevent excessive current flow.
Inverter Systems: Protects the high-current pathways from your inverter to the load.
DC Distribution Panels: In renewable energy setups, 300A breakers are often used for the main DC bus or battery disconnect.
Popular Brands:
Blue Sea Systems: Known for robust, high-current DC circuit breakers.
Midnite Solar: Offers DC circuit breakers specifically designed for renewable energy applications.
Eaton: Provides high-quality DC breakers for industrial and renewable applications.
Victron Energy: Produces circuit breakers for solar and energy storage systems.
Approximate Cost:
Prices for 300A, 48V DC breakers typically range from $150 to $400, depending on the brand and additional features such as waterproofing or remote trip functionality.
Would you like recommendations on where to purchase one, or more details about a specific setup you’re working on touch online.
