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TürkçeNo such thing as an "AC fuse" , nor a "DC fuse". All are rated in amps . If you need a 1 amp fuse; it wil work to limit current to one amp; RMS Ac or straight DC.
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Rated Current (In): 125A, 140A, 160A, 180A, 200A, 225A, 250A
Rated Working Voltage (Ue): 500V DC
Rated Insulation Voltage (Ui): 1000V DC
Rated Impulse Withstand Voltage (Uimp): 8kV
1 Min Power Frequency Withstand Voltage: 3.8kV
Ultimate Breaking Capacity (Icu): 20kA
Service Breaking Capacity (Ics): 10kA
Over-current Release: Thermal, Electromagnetic
Number of Poles: 2P
Standards: GB/T 14048.2
| Model | ATM7DC-250 | ||
| Number of Poles | 2P | ||
| Rated current (A) | In | 125A, 140A, 160A, 180A, 200A, 225A, 250A | |
| Rated Working Voltage (V) | Ue | 500V DC | |
| Rated Insulation Voltage (V) | Ui | 1000V DC | |
| Rated Impulse Withstand Voltage (kV) | Uimp | 8kV | |
| 1 min Power Frequency Withstand Voltage | 3.8kV | ||
| Ultimate Short-circuit Breaking Capacity (kA) | Icu | 20kA | |
| Service Short-circuit Breaking Capacity (kA) | Ics | 10kA | |
| Over-current Release | Thermal & Electromagnetic | ||
| Isolation Function | Available | ||
| Utilization Category | A | ||
| Mechanical Life (operations) | 10000 | ||
| Electrical Life (operations) | 2000 | ||
| Mounting Method | Panel mounting | ||
| Ingress Protection | IP20 (IP66 with enclosure) | ||
| Reference Ambient Temperature (°C) | −40°C~85°C | ||
| Standards | IEC 60947-2, GB/T 14048.2 | ||
The ATM7DC Series DC Molded Case Circuit Breakers (DC MCCB) are designed for reliable DC circuit protection in photovoltaic power systems, battery systems, and energy storage applications. With a rated working voltage of 500V DC and a maximum rated current up to 250A, the series provides dependable overload and short-circuit protection for modern renewable energy installations.
● Reliable DC Protection: Designed for 500V DC systems, ensuring stable and efficient protection for PV and energy storage circuits.
● Integrated Isolation Function: Provides safe and clear circuit isolation to support maintenance and operational safety.
● Thermal & Electromagnetic Tripping: Ensures accurate response to overloads and short-circuit faults.
● Industrial-Grade Design: Suitable for Pollution Degree III environments, supporting long-term operation in industrial and outdoor electrical installations.
● Flexible Installation: Compact molded case design allows convenient panel mounting and high-density system layouts.
The ATM7DC Series DC MCCB is widely used in solar PV systems, battery energy storage systems (BESS), and DC distribution circuits, including PV combiner boxes and DC power control panels, where reliable DC circuit isolation and protection are required.
No such thing as an "AC fuse" , nor a "DC fuse". All are rated in amps . If you need a 1 amp fuse; it wil work to limit current to one amp; RMS Ac or straight DC.
More >>
AC fuses and DC fuses are designed for completely different electrical conditions. Using an AC fuse in a DC photovoltaic system can result in serious safety hazards,...
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