RDCBC-T-125 4P
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Constructed with a durable polycarbonate housing and copper alloy terminals, the breaker ensures excellent heat dissipation and long-term reliability. Its compact design fits standard DIN rails (35mm) and integrates seamlessly into industrial control panels, distribution boards, and residential main panels handling high-power loads.
High-Current Capacity: Supports continuous operation at 80A, with a short-circuit breaking capacity of 15kA (230V), making it suitable for heavy-duty equipment like industrial motors, welding machines, and commercial kitchen appliances.
Dual Protection Technology: Combines a thermal element for overload protection (gradual tripping at 1.3x rated current within 2 hours) and a magnetic coil for instantaneous short-circuit tripping (5-10x rated current), ensuring balanced protection for both gradual and sudden faults.
Mechanical Stability: Features a toggle switch with a clear on/off position and a trip-free mechanism that prevents manual override during a fault, ensuring safety compliance. The visible trip indicator simplifies fault diagnosis in complex panel setups.
Wide Environmental Tolerance: Operates reliably in temperatures from -25°C to +70°C and is resistant to dust, moisture, and vibrations, making it suitable for harsh industrial environments, outdoor installations, and mobile applications (e.g., marine vessels).
Easy Maintenance: Requires no periodic calibration or software updates, relying on mechanical tripping mechanisms for fail-safe operation. The modular design allows quick replacement without disrupting adjacent circuits.
Industrial Machinery: Protects motors, pumps, and compressors in factories, mines, and construction sites, where continuous operation and fault resilience are critical. The high breaking capacity ensures safety during sudden short circuits.
Commercial Kitchens: Used in restaurants and cafeterias to safeguard high-power appliances like deep fryers, ovens, and refrigeration systems, preventing downtime due to overloads or faulty wiring.
Residential Main Panels: Ideal for large homes or multi-unit buildings with high-power demands, such as electric vehicle chargers, central air conditioners, or whole-house surge protectors.
Mobile Equipment: Installed in RVs, buses, and marine vessels to protect electrical systems from vibrations and voltage fluctuations, ensuring reliable operation in mobile environments.
Q: Is this breaker suitable for three-phase systems?
A: This model is designed for single-phase 230V systems. For three-phase applications, please use the 3P version (RDCBC T-325 80A), which offers identical performance across three phases.
Q: Can I use this breaker in a 120V system?
A: No, the rated voltage is 230V. A 120V-compatible model (RDCBC T-125-120) is available for North American markets, with a 10kA breaking capacity.
Q: How do I test the breaker's functionality?
A: Perform a visual check of the trip indicator after a fault. For routine testing, simulate an overload using a variable load bank and verify tripping at the rated current threshold.
Q: What is the expected lifespan of this breaker?
A: With proper installation and regular maintenance, the breaker can operate reliably for 15-20 years under normal load conditions.
Q: Does this breaker require a neutral connection (1P+N)?
A: The single-pole (1P) version protects only the live wire, while the 1P+N version (available separately) includes neutral protection. Ensure compatibility with your system's wiring configuration.
