This electromagnetic residual current breaker safeguards 230V/400V AC systems (50Hz, up to 63A) with rock-solid reliability. Designed to prevent electric shocks and fire risks from ground faults, it operates purely through mechanical precision—zero auxiliary power needed, immune to grid voltage instability.
Why Choose This RCCB
Always-On Protection – Leakage detection works even during blackouts or voltage spikes
Fire & Shock Defense – Instantly trips on dangerous sinusoidal earth currents (>30mA)
Zero Electronics – Electromagnetic tripping lasts decades, no circuit boards to burn out
Universal Compatibility – Fits residential panels, retail stores, and small factories
Maintenance-Free – No auxiliary supply = fewer failure points
A revolutionary 4-in-1 safety circuit breaker combining overload, short-circuit, earth leakage, and fire protection for modern homes and industrial grids. Engineered with pure electromagnetic technology (no auxiliary power required), it ensures uninterrupted safety even during blackouts, while its compact design simplifies panel integration.
Key Features
All-Risk Protection – Stops electric shocks (direct/indirect), fire hazards from insulation faults, and lethal currents
Unbreakable Reliability – Mechanical tripping system immune to voltage fluctuations, heat, or electronic failures
Smart Sensitivity – Select Type B (3-5×In) for homes/appliances or Type C (5-10×In) for heavy-duty machinery
Zero Power Dependency – Operates without auxiliary supply, ideal for emergency scenarios
Space-Smart Design – Right-side N-pole and DIN-ready structure cuts installation time by 40%
IEC 61009 Certified | 30mA Life-Saving Leakage Detection | 1.2 Million Cycles Durability
This next-gen residual current breaker masters ALL current types – from household AC to industrial-grade smooth DC and 1kHz high-frequency signals. Perfect for circuits with inverters, solar systems, or EV charging piles, it detects elusive leaks others miss.
Why It Stands Out
5-in-1 Detection – Covers AC + A-type + F-type + Smooth DC + 1kHz signals (10x broader than standard Type A)
EV/Industrial Ready – Safeguards rectifiers, frequency converters, and DC-heavy systems (e.g., charging stations/elevators)
No Leak Left Behind – Catches tricky composite currents in solar panels, medical devices, and smart grids
Instant Response – Trips within milliseconds to prevent equipment damage or electric shocks
Universal Fit – Direct replacement for outdated Type A RCCBs, no rewiring needed
IEC 62423 Certified | 30mA Life-Saving Sensitivity | 6kA Breaking
This advanced Miniature Circuit Breaker (MCB) delivers robust overload and short-circuit protection, ensuring electrical safety across residential/commercial buildings, energy infrastructure, and industrial facilities.
Engineered for durability and compliance with global standards (IEC/UL), the space-saving design optimizes panel space without compromising performance.
Ideal for safeguarding circuits in HVAC systems, solar installations, and critical infrastructure projects.
This high-performance MCCB secures AC 50/60Hz networks (up to 800A/800V) with ultra-reliable overload, short-circuit, and undervoltage protection. Designed for extreme environments – from ship engine rooms to earthquake zones – its military-grade durability prevents catastrophic failures in motors and power grids.
Core Advantages
Titanic Breaking Capacity – Stops 80kA short circuits instantly (2x faster arc extinction)
360° Installation Freedom – Mount vertically/horizontally in tight spaces (22.5° tilt tolerance)
Smart Customization – Adjust trip parameters like a pro: set inverse-time delays or instant triggers
Battlefield Tough – Survives ship vibrations (4g), -5°C to 45°C extremes, and 95% humidity
Modular Simplicity – All shell sizes match across S/M breaking capacities (no panel redesign)
This industrial-grade ACB safeguards 400V/690V networks (50/60Hz, up to 6300A) with precision overload, short-circuit, and earth fault protection. Built for mega-scale power distribution in factories, data centers, and renewable plants, its modular design combines adaptive intelligence with rugged hardware—including corrosion-resistant stainless steel fittings—to withstand harsh environments and keep pace with ever-changing operational demands.
Core Advantages
Unmatched Scalability – 5 frame sizes (200A-6300A) fit everything from small substations to hyperscale grids
Brain + Brawn Combo – Choose controllers: M-type (LCD diagnostics) or H-type (IoT-ready with Modbus)
Installation Agility – Fixed/drawout versions mount vertically/horizontally – perfect for cramped switchrooms
Mission-Critical Reliability – Withstands 220°C arc flashes + ships with 10+ accessories (shunt releases, interlock systems)
Future-Proof Upgrades – Add APTS auto-transfer or CT-neutral monitoring without replacing units
This next-gen AC contactor packs 630A/690V switching power into a 20-40% slimmer body vs traditional models, letting you fit more control circuits in crowded panels while cutting energy waste.
Key Innovations
Space Revolution – 120-630A models occupy 1/3 less DIN rail space (ideal for solar combiner boxes/EV charging hubs)
Muscle & Precision – IEC 60947-4-1 certified, handles 100,000+ motor starts (from conveyor belts to HVAC compressors)
Thermal Tag Team – Pairs seamlessly with overload relays to prevent burnout in dusty workshops or humid pump rooms
Global Voltage Fit – Works flawlessly from 220V factories to 600V offshore wind farms
Cost Saver – 40% smaller = 30% lower cabinet costs per kW controlled
This industrial-grade VFD masters sensorless vector control to optimize motors in extreme conditions – from coal mine ventilators to oilfield pumps. With 180% overload capacity and anti-interference armor, it cuts energy waste while surviving dust, heat, and voltage spikes.
Why It Dominates
Low-Frequency Beast – 0.5Hz torque boost keeps conveyors/mixers running smoothly at 10% speed
Self-Healing Smart – Auto-adjusts V/F curves to save 15-40% energy vs fixed-speed motors
Plug & Play Automation – Built-in PLC controls 8-phase speeds (no external controllers needed)
IoT-Ready – RS485/MODBUS lets engineers monitor pump health from control rooms
Unlike basic VFDs, our SVPWM tech slashes motor noise by 60%
The YCB7-63N 63A 4-Pole MCB is a robust miniature circuit breaker designed for advanced electrical protection in three-phase systems. Engineered to IEC/EN 60898-1 standards, it safeguards industrial machinery, commercial facilities, and large residential complexes against overloads, short circuits, and isolation faults.
Key Features
20kA Breaking Capacity: Handles extreme short circuits without failure.
Wide Temperature Range: Operates flawlessly from -5°C to +40°C, even in non-climate-controlled panels.
DIN Rail Mounting: Snaps onto standard 35mm rails in seconds.
25mm² Terminal Capacity: Supports heavy-duty cables for high-current setups.
The YCB7-63N 40A Double Pole MCB is engineered to protect 230V/400V circuits from overloads and short circuits. Ideal for industrial panels, commercial buildings, and high-demand appliances, it combines 20kA breaking capacity with dual-pole safety, ensuring both phase and neutral lines are safeguarded.
Key Features
Phase + Neutral Safety: Cuts both lines during faults, preventing residual currents.
Adjustable Trip Curves: B, C, or D curves for motors, transformers, or lighting.
20,000 Mechanical Cycles: Built for high-traffic environments.
Wide Temperature Range: Stable from -5°C to +40°C.
Flame-Retardant Housing: Resists heat and sparks.
The YCB9RL-100 2-Pole 63A 30mA RCCB (Residual Current Circuit Breaker) is a high-sensitivity safety device designed to protect single-phase electrical systems against lethal electric shocks, fire hazards, and insulation faults. With a 30mA tripping sensitivity and 63A rated current, this 2-pole RCCB ensures rapid response to leakage currents, making it ideal for homes, offices, and small industrial setups.
Key Features
Certified Safety: Meets global standards for electromagnetic protection.
Cost-Effective: Competitive 2 pole RCCB price for premium-grade reliability.
Versatility: Adjustable sensitivity (10mA–300mA) to match specific safety needs.
Ideal for industrial, commercial, and residential applications, this 4-pole RCCB combines 6000A short-circuit capacity with 63A rated current to deliver robust, reliable protection. Compliant with IEC/EN 61008-1, it ensures compliance with global safety standards while offering easy DIN rail installation and clear operation status indicators.
Key Specifications
Rated Current (In)：16A, 25A, 32A, 40A, 63A, 80A, 100A
Poles：4-Pole (3-phase + neutral)
Rated Voltage：230V/400V AC
Sensitivity (IΔn)：30mA, 100mA, 300mA
Short-Circuit Capacity：6000A (Icn)
The YCM7-125S and YCM7-160S MCCB 100A Circuit Breakers are premium molded case circuit breakers designed for industrial and commercial power distribution.With compact designs and versatile configurations (3P/4P), they are ideal for applications requiring reliable 100A-rated protection.
Key Specifications
YCM7-125S: Supports 63A, 80A, 100A, 125A (adjustable).
YCM7-160S: Wider range: 63A to 160A, ideal for scalable systems. Available in 3P (3-pole) and 4P (4-pole) configurations.
Extended Lifespan: 7,000 mechanical operations (ON/OFF cycles).
Resists harsh environments: -5°C to +45°C, humidity, vibration (up to 4g).
Specifically tailored for 3-phase applications, the YCM8-125S/H model with 40A rated current offers reliable protection against overloads, short circuits, and under-voltage conditions. Compliant with IEC60947-2 standards, this MCCB is ideal for industrial, commercial, and marine environments.
Key Specifications
Model: YCM8-125S / YCM8-125H
Rated Current (In): 40A (adjustable range: 10A–125A)
Pole Configuration: 3P (3-phase) / 4P (optional)
Rated Voltage (Ue): AC 400V
Rated Insulation Voltage (Ui): AC 1000V
Short Circuit Breaking Capacity (Icu/Ics):
15kA/10kA (YCM8-125S)
25kA/18kA (YCM8-125H)
The YCB9ZF series redefines circuit protection with seamless IoT integration and advanced energy monitoring. Designed to IEC 60898-1 standards, it combines:
Core Innovations
63A Rated Current: Ideal for high-power applications in industrial equipment, commercial buildings, and smart homes.
WiFi Remote Control: Operate via Tuya/Cloud Intelligence app (iOS/Android), with voice control via Google Assistant and Amazon Alexa.
Multi-Protection: Overload, short-circuit (6kA), leakage (30–500mA adjustable), over-voltage (250–320V), and under-voltage (100–200V) protection, with ≤100ms response time.
Energy Management: Real-time monitoring of active/reactive power, power factor, and 7-day energy consumption reports.
The YCB9ZF series smart WiFi MCB breaker offers remote control via mobile app, real-time energy monitoring, and multi-protection (overload, short-circuit, leakage). Available in 1P-4P configurations (16A-100A). IEC 60898-1 certified for industrial and residential use.
Core Innovations
Remote IoT Control via Mobile App
Trips within 100ms for short-circuit, leakage (30–500mA), and over-temperature (≤120°C).
Track voltage, current, power factor, and energy usage on the OLED screen or app.
Fits standard 35mm DIN rails, compatible with Schneider/ABB panels.
The YCB8125PV series DC miniature circuit breaker is engineered for high-performance protection in photovoltaic (PV) systems, with a rated operational voltage of DC 1000V and current up to 125A.
Core Innovations
Rated Voltage: Supports DC 1000V (4P configuration), ideal for large-scale solar farms.
Rated Current: Up to 125A, compatible with high-power inverters and industrial equipment.
Breaking Capacity: 6kA (PV) / 10kA (PVn), compliant with IEC/EN 60947-2 for robust arc fault protection.
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