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| Parameter | Value / Specification (ARM6HU-250A) |
|---|---|
| Rated Current In (A) | 63A / 80A / 100A / 125A / 140A / 160A / 180A / 200A / 225A / 250A |
| Number of Poles (P) | 3P |
| Breaking Capacity Level | M |
| Rated Working Voltage Ue (V) | 800V AC / 1000V AC |
| Ultimate Short-Circuit Breaking Capacity Icu (kA) | 36.5 kA (at 800V) / 12 kA (at 1000V) |
| Service Short-Circuit Breaking Capacity Ics (kA) | 30 kA (at 800V) / 12 kA (at 1000V) |
| Rated Insulation Voltage Ui (V) | 1140V |
| Impulse Withstand Voltage Uimp (V) | 8kV |
| Mechanical Life (Operations) | 7,000 times |
| Electrical Life (Operations) | 1,500 times |
| Arcing Distance (mm) | Up/Below: 100mm | Left/Right: 100mm | Front/Back: 0mm |
| Overall Dimensions (mm) | |
|---|---|
| Width (W) | 113 mm |
| Length (L) | 16.5 mm |
| Height (H) | 104.6 mm |
High-quality copper components processed via advanced machinery to ensure optimal electrical conductivity.
Precision molding center designed for manufacturing durable structural frames for circuit breakers.
State-of-the-art parts equipment maintaining strict dimensional tolerances for all assemblies.
Automated high-speed metal stamping processes ensuring consistent quality and structural integrity.
Specialized equipment processing core components with high consistency to meet safety standards.
Fully automated assembly lines to enhance efficiency and minimize human error during assembly.
Dedicated technical engineers overseeing safety tests, parameters verification, and quality assurance.
Well-organized storage infrastructure housing processed components and raw materials securely.
The ARM6HU series circuit breakers are specifically designed for string photovoltaic (PV) solar power systems. They function reliably in solar systems with rated operating voltages ranging from 500V to 1140V AC.
The rated insulation voltage (Ui) is 1140V AC, and the circuit breaker can operate continuously in high-voltage environments with rated working voltages (Ue) of 800V AC, 1000V AC, and up to 1140V AC.
At a rated voltage of 800V AC, the ultimate short-circuit breaking capacity (Icu) is 36.5kA, and the service short-circuit breaking capacity (Ics) is 30kA. At 1000V AC, both Icu and Ics values are 12kA. Maximum tested values can reach up to 50kA under authoritative testing conditions.
The circuit breaker features an advanced and safe arc extinguishing system structure design that safely and quickly contains and extinguishes electrical arcs under high-voltage operations, preventing internal and system damage.
The ARM6HU-250A model is built for long-term endurance, offering a mechanical operational life of up to 7,000 operations and an electrical operational life of up to 1,500 operations under standard conditions.
For safe installation inside panels, the recommended arcing clearance distance is 100mm for Up/Below, 100mm for Left/Right, and 0mm for Front/Back.
