Product Core Summary
- Model: HJF36125
- Manufacturer: Schneider Electric
- Core Function: Moulded Case Circuit Breaker (MCCB) designed to provide overload protection, short-circuit protection, and system isolation for electrical circuits in industrial, commercial, and residential environments.
- System Compatibility: Compatible with Schneider Electric Power Distribution Systems and widely used in low-voltage electrical networks.
- Supply Status: In Stock (subject to location)
- Warranty Standard: 12-month functional warranty, fully tested
Key Technical Specifications
- Product Model: HJF36125
- Manufacturer: Schneider Electric
- System Platform: Schneider Electric Power Distribution Systems
- Current Rating: 125A
- Number of Poles: 3-pole
- Voltage Rating: 415V AC
- Breaking Capacity: 18kA at 415V AC
- Protection Type: Overload, short-circuit, and earth fault protection
- Trip Curve: C-curve
- Mounting Type: DIN Rail
- Enclosure Type: IP20 (Protection against direct contact with live parts)
- Temperature Range: -5°C to +40°C
- Operating Frequency: 50/60Hz
- Power Loss: ≤ 0.5 W (at rated current)
- Weight: 1.3 kg
- Material: Thermoplastic casing
- Certification: CE, UL, IEC 60947-2
- IEC Standards Compliance: IEC 60947-2 (for low-voltage switchgear)
- Connection Type: Terminal connections with a torque of 2.5 Nm
Technical Architecture & Functional Positioning
Architecture Analysis
The Schneider Electric HJF36125 is a moulded case circuit breaker (MCCB) that is designed to provide high-performance protection for electrical circuits by preventing damage due to overcurrent, short-circuiting, and earth faults. It is specifically built to serve as a primary protection device in low-voltage distribution networks.
- System Role: The HJF36125 operates at the distribution level within low-voltage electrical systems, protecting circuits against harmful electrical anomalies, including overload conditions, short-circuits, and earth leakage faults. It serves as an essential safety device in industrial, commercial, and residential power distribution boards.
- Core Technology: The breaker uses electromagnetic and thermal trip mechanisms to detect faults. The electromagnetic trip provides protection against short circuits, while the thermal trip responds to prolonged overload conditions. The C-curve trip characteristics ensure that the breaker responds with optimal delay in the presence of inrush currents (e.g., from motor startups), without unnecessary tripping.
- Engineering Value: The modular design of the HJF36125 allows it to be easily integrated into existing power distribution systems, while its reliable tripping characteristics ensure that the electrical system remains safe even under abnormal operating conditions. The high breaking capacity of 18kA provides superior protection, even in the event of a severe fault, minimizing the risk of fire, equipment damage, and personnel injury.
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