Original price was: KSh3,000.00.KSh2,500.00Current price is: KSh2,500.00.
125A High-Amperage Protection: Specifically engineered to handle massive 125 Amp loads, making it the perfect safety guardian for large lithium battery banks (BESS), 48V/96V systems, and high-power hybrid inverters.
500V DC Rated Voltage: Optimized for mid-to-high voltage Direct Current applications, providing robust circuit protection that far exceeds the capabilities of standard residential AC breakers.
Double-Pole (2P) Isolation: Ensures total system safety by simultaneously disconnecting both the positive (+) and negative (-) conductors, providing complete circuit isolation for safe maintenance and troubleshooting.
Industrial Arc-Quenching Chamber: Features advanced internal magnetic blow-out technology and arc chutes to instantly “snap” and extinguish persistent DC arcs, preventing internal melting and fire hazards.
Thermal-Magnetic Tripping: Provides a dual-layer defense: a thermal element for protection against sustained overloads and a magnetic element for instantaneous response to dangerous short circuits.
High Breaking Capacity (Up to 15kA): Designed to safely interrupt massive fault currents without mechanical failure, ensuring the breaker remains a reliable last line of defense for your expensive solar equipment.
Standard 35mm DIN Rail Mount: Compatible with all standard electrical distribution boards, combiner boxes, and consumer units, allowing for quick and professional “clip-on” installation.
High-Torque Pressure Terminals: Equipped with heavy-duty lifting-style terminals that support thick cables (up to 50mm²), ensuring a secure, low-resistance connection that prevents overheating at high currents.
Visual Status Indicators: Includes clear, color-coded windows (typically Red for ON and Green for OFF) to allow for immediate visual confirmation of the circuit status at a glance.
Rugged, Fire-Retardant Casing: Manufactured from high-grade, UV-stabilized PA66 nylon that is flame-retardant and tested to operate reliably in extreme ambient temperatures from -40°C to +85°C.
Secure your high-power electrical infrastructure with the 125A 2-Pole DC Miniature Circuit Breaker (MCB). Specifically engineered for heavy-duty Direct Current (DC) applications, this breaker provides essential protection against overloads and short circuits in systems operating up to 500V DC.
While standard MCBs often top out at 63A, this 125A “Heavy-Hitter” is designed for the demanding current requirements of large lithium battery banks, high-wattage solar combiner boxes, and industrial DC motors. It acts as a reliable sentinel, preventing electrical fires and expensive equipment damage by interrupting the circuit the moment a fault is detected.
In high-amperage DC systems, managing electrical arcs and ensuring total isolation is critical:
Simultaneous Isolation: The 2-pole design ensures that both the positive (+) and negative (-) conductors are disconnected at the same time. This provides complete electrical isolation, making it safe for technicians to perform maintenance on downstream equipment.
Superior Arc Quenching: DC electricity does not have a natural “zero-crossing” point, meaning arcs are harder to extinguish than in AC systems. This breaker features specialized internal magnets and arc chutes that snap the electrical path instantly, even under a full 125A load.
High-Current Stability: Standard residential breakers can overheat when pushed to their limits. This industrial-grade 125A unit uses thickened copper-clad terminals and reinforced internal contacts to maintain a low operating temperature during continuous heavy use.
| Feature | Specification |
| Rated Current (In) | 125 Amps |
| Number of Poles | 2-Pole (Double Pole) |
| Rated Voltage (Ue) | 500V DC |
| Breaking Capacity (Icu) | 10kA (Industrial Standard) |
| Tripping Curve | Type C (Optimized for Solar/Inductive Loads) |
| Mechanical Life | 20,000 Operations |
| Mounting Type | 35mm Standard DIN Rail |
| Operating Temp | -40°C to +85°C (Fully Tropicalized) |
| Ingress Protection | IP20 (Terminal Protected) |
This breaker utilizes a dual-action protection system. The thermal element protects against sustained overloads (slow trip), while the magnetic element provides instantaneous protection against massive short-circuit currents (fast trip). This ensures your cables won’t melt during a minor overload, and your inverter won’t blow during a major fault.
Safety starts with the casing. Housed in high-performance PA66 flame-retardant material, the breaker is designed to contain internal heat. The material is also UV-stabilized, making it ideal for use in outdoor solar combiner boxes where heat buildup is common.
Equipped with a clear visual indicator, the breaker allows you to see the contact status at a glance. A bright Red (ON) and Green (OFF) window ensures that you can confirm the circuit is de-energized before touching any wires.
To prevent the #1 cause of electrical fires—loose connections—this breaker features high-torque screw terminals that can accommodate cable sizes up to 35mm²–50mm². These “lifting-type” terminals ensure maximum contact area with the wire, reducing resistance and heat.
Battery Energy Storage Systems (BESS): The primary protection point for 48V, 96V, or higher lithium and lead-acid battery banks.
Solar PV Combiner Boxes: Protecting the main busbar from high-current surges before entering the hybrid inverter.
EV Charging Stations: Essential for protecting the DC side of electric vehicle fast-chargers.
Telecommunications: Providing reliable power distribution for DC-powered data centers and cell towers.
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Manufacturer-backed warranty on all products.
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