Image Source: unsplashYou want your home to be safe and your electricity to work. A circuit breaker keeps your house safe by stopping dangerous electrical problems. It does this before anything bad happens. Breakers trip for a few reasons. This can happen if you use too many devices at once. It can
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Naile Electric Co., Ltd. was jointly established by a group of electrical professionals with years of experience in technology development and management. It owns modern industrial plants and office spaces. As a modern technology-based enterprise, it specializes in the production and operation of lo
Naile Electric Co., Ltd. was jointly established by a group of electrical professionals with years of experience in technology development and management. It owns modern industrial plants and office spaces. As a modern technology-based enterprise, it specializes in the production and operation of lo
Naile Electric Co., Ltd. was jointly established by a group of electrical professionals with years of experience in technology development and management. It owns modern industrial plants and office spaces. As a modern technology-based enterprise, it specializes in the production and operation of lo
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NLL7-63 1P AC
CHNAILE
Product Overview
Ensure uncompromising electrical safety in your single-phase installations with the CHNAILE NLL7-63 series 1-Pole Plug-in AC Miniature Circuit Breaker (MCB). Specifically engineered for alternating current (AC) systems up to 240/415V with a robust 63A load capability, this breaker provides essential protection against dangerous overloads and short-circuit faults. Featuring a clean, flame-retardant white housing, it seamlessly integrates into modern residential consumer units and commercial distribution boards. The highly efficient "Plug-in" mounting architecture allows electrical contractors to perform rapid installations and module replacements, drastically reducing labor time and facility downtime.
Core Technical Specifications
| Brand: | CHNAILE |
| Model: | NLL7-63 |
| Number of Poles: | 1P (Single Pole / Single Phase) |
| Current Type: | AC (Alternating Current) |
| Rated Operating Voltage (Ue): | AC 240/415V~ |
| Rated Current (In): | 63A |
| Tripping Characteristic: | Curve C (Perfect for standard residential appliances, lighting, and general-purpose loads) |
| Rated Short-circuit Breaking Capacity (Icu): | 10000A (10kA) |
| Standard Compliance: | IEC60898-1 |
| Mounting Configuration: | Quick-swap Plug-in Base (Sold separately) |

Premium Features & Advantages
Reliable Single-Phase Protection: Instantly interrupts the active line during fault conditions, isolating the downstream circuit to protect expensive appliances and wiring.
10kA High Fault Interruption: Built with robust internal arc-extinguishing chambers that safely quench severe short-circuit currents up to 10,000 Amps, preventing electrical fires.
Rapid Plug-in Technology: Designed to maximize installation efficiency. Faulty or aging units can be safely unplugged and replaced in seconds without tedious wire disconnection.
Commercial-Grade White Housing: Constructed from premium, fire-resistant materials. The aesthetic white finish perfectly matches standard indoor load centers and switchboards.
Clear Visual Status Indicator: Equipped with a mechanical status window (Red for ON/Active, Green for OFF/Safe) for instant, secure visual verification by maintenance personnel.
Target Applications
As the industry standard for 1-phase AC protection, this highly versatile 1P MCB is the preferred choice for:
Residential Consumer Units and Lighting Circuits
Commercial Office Building Power Outlets
Apartment Complex Sub-Distribution Boards
Single-phase HVAC and Appliance Disconnect Circuits
