When designing low-voltage residential, commercial and industrial power distribution systems, electrical designers often compare different leakage protection devices and ask: What is better than RCBO for comprehensive circuit safety? Traditional RCCB and ordinary breakers can only achieve single leakage or overcurrent protection, with obvious functional limitations. A high-performance Rcbo Protection Device that integrates multiple protections is always the better choice for modern electrical systems.
Both RCCB and RCBO matter. RCCB cuts off shock risks, while RCBO adds overload protection too. The difference between RCBO and RCCB is clear: one guards people, the other guards both people and systems.
Common low-end Rcbo Residual Circuit Breaker on the market often has fixed leakage current, single protection mode, low breaking capacity and poor environmental adaptability, which cannot meet the complex power consumption demands of new modern buildings, intelligent equipment and high-load industrial circuits. In contrast, the upgraded CJRO5-80 series Rcbo Circuit Breaker launched by Zhejiang C&J Electrical co., ltd. (referred to as C&J Electrical) solves the shortcomings of traditional products with adjustable parameters, multi-functional switching, high-strength material and high breaking performance. It is a more practical, safer and more adaptable upgraded electrical protection device than ordinary RCBO products.
Why Upgraded RCBO Outperforms Ordinary Leakage Breakers
To understand why CJRO5-80 is better than conventional RCBO and RCCB products, we need to clarify the functional differences of mainstream protection devices:
RCCB only provides residual current leakage protection, focusing on preventing personal electric shock, but cannot protect circuits and electrical equipment from overload and short-circuit damage. Ordinary basic RCBO adds fixed overload and short-circuit protection on the basis of leakage protection, but has fixed parameters, single application scenario and poor flexibility. As an upgraded Rcbo Protection Device, C&J Electrical CJRO5-80 breaks through these limitations, supporting adjustable leakage current, detachable leakage function, dual-pole full protection and adaptive multi-scene switching, realizing all-round protection of personnel safety and circuit equipment stability.
C&J Electrical CJRO5-80 RCBO Circuit Breaker Product Overview
CJRO5-80 series residual current circuit breaker with overcurrent protection is a new-generation upgraded low-voltage protection device developed in accordance with IEC61009-1 international standards. This Rcbo Residual Circuit Breaker has a frame current of 80A, covering a rated current range of 6A to 80A, and supports 2P and 4P pole specifications, adapting to 230V single-phase and 400V three-phase low-voltage power distribution systems.
Different from ordinary fixed-function RCBO, this product supports flexible switching of leakage protection functions, which can be withdrawn according to actual scene needs to adapt to special power distribution environments. It features adjustable rated residual operating current, covering 10mA, 15mA, 30mA, 50mA, 100mA and 200mA multiple gears, meeting the precision protection needs of household, commercial, industrial and special electrical equipment. With ultra-small 36mm narrow body design, beautiful appearance and compact structure, it saves installation space and is compatible with standard DIN rail installation.
Core Product Advantages of CJRO5-80
- Detachable Leakage Function: The leakage protection module can be withdrawn freely, adapting to diverse special power distribution occasions and improving product application flexibility.
- Adjustable Leakage Current: Supports multi-gear adjustment of rated residual operating current, realizing customized protection matching for different circuit loads.
- Dual-Pole Full Overload Protection: Both L pole and N pole are equipped with complete overload protection function, avoiding single-sided protection loopholes and improving overall circuit safety.
- Miniaturized & Exquisite Structure: Ultra-narrow 36mm body width, compact size and beautiful appearance, effectively saving internal space of distribution boxes.
- High Breaking Capacity & Strong Expandability: The maximum breaking capacity reaches 10kA, with excellent accessory practicability and rich functional expansion space.
- Safety Optimized Terminal Design: Adopts combined terminals with touch protection structure, equipped with red and green safety indication marks to intuitively judge equipment status and prevent accidental contact risks.
- Current Limiting Protection System: Built-in current limiting contact structure can effectively resist instantaneous short-circuit current, protect products and terminal equipment, and extend the overall service life of electrical systems.
- High-Grade Flame Retardant Material: The shell and core functional parts are made of imported high-strength flame retardant, high temperature resistant and impact resistant plastic with V-0 flame retardant grade, adapting to harsh ambient temperature changes.
- Intelligent Fault Indication & Locking: Equipped with overload tripping window indication function; the leakage protection can enter locking state in case of non-power-off fault or over-fault, avoiding invalid protection and potential safety hazards.
Complete Technical Parameters
CJRO5-80 series Rcbo Protection Device strictly complies with IEC61009-1 international standards, with standardized and comprehensive technical indicators:
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Technical Items
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Specifications
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Executive Standard
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IEC61009-1
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Pole Number
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2P, 4P
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Frame Rated Current
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80A
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Rated Working Voltage
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230V / 400V
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Rated Current Range
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6A~80A
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Rated Residual Action Current
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10mA/15mA/30mA/50mA/100mA/200mA
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Leakage Tripping Type
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A / AC
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Rated Insulation Voltage
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500V
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Rated Impulse Withstand Voltage
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4kV
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Split Type
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M/H
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Breaking Capacity
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10kA
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Operating Breaking Capacity
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6000/1000
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Curve Type
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B, C, D
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Release Type
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Thermomagnetic
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Mechanical/Electrical Life
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20000 / 10000 Cycles
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Wiring Capacity
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1~35mm²
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Working Temperature Range
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-30℃ ~ +70℃
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Installation Method
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Standard DIN Rail
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Core Functions
As an upgraded Rcbo Residual Circuit Breaker, CJRO5-80 integrates four core protection functions in one device, realizing full-dimensional circuit safety protection:
- Residual Current Protection: Prevents personal electric shock and electrical leakage fire hazards, with multi-gear adjustable sensitivity for precise protection.
- Short Circuit Protection: Instantly trips to cut off short-circuit current, relying on 10kA high breaking capacity to avoid equipment burnout and circuit failure.
- Overload Protection: Both L and N poles have overload protection, with window indication and fault locking functions to ensure safe circuit operation.
- Intelligent Fault Locking: Automatically locks leakage protection state when faults occur, avoiding repeated faults and improving system stability.
Application Scenarios
With wide temperature adaptation, adjustable parameters and multi-functional switching advantages, CJRO5-80 RCBO Circuit Breaker is suitable for various complex low-voltage power distribution scenarios:
- Household Power Distribution: Used for household main circuit and branch circuit protection, adapting to daily electrical equipment power consumption, ensuring family electricity safety.
- Commercial Buildings: Suitable for office buildings, shopping malls, hotels and other public building power distribution systems, adapting to high-density and high-frequency power consumption scenarios.
- Industrial Scenarios: Applied to factory terminal equipment circuits, adapting to high-load operation and harsh temperature environment working conditions.
- Special Electrical Equipment: Supports adjustable leakage current and detachable functions, meeting the special protection needs of intelligent equipment, precision electrical appliances and customized power distribution systems.
Product Services & Supply Advantages
C&J Electrical CJRO5-80 series Rcbo has complete specifications, diverse adjustable functions and excellent safety performance, which is significantly better than ordinary single-function RCBO and RCCB products in terms of flexibility, adaptability and stability.
We support OEM/ODM brand customization services to meet personalized product and solution requirements of global customers. With multiple specification options and wide scenario adaptability, the product covers most low-voltage power distribution protection needs. The company also supports SKD loose parts delivery. If you have any questions about product selection, parameter debugging, scenario matching and customized cooperation, please feel free to contact us for professional technical support.
Contact Us
In short, compared with ordinary RCBO and RCCB, CJRO5-80 upgraded Rcbo Protection Device realizes adjustable functions, full-pole protection and high-strength environmental adaptation, perfectly solving the functional limitations of traditional protection devices. It is a high-quality choice for upgrading modern low-voltage power distribution safety systems.
Welcome global customers to consult, purchase and customize products. C&J Electrical will provide full-cycle professional after-sales service and technical support.
Post time: Jul-31-2026