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China factory CJRO6-63 4P Electronic type 6-63A Residual current circuit breaker with overload protection

Short Description:

Technical Data
·
Standard: IEC61009-1 GB16917.1
·Mode: Electronic
·Type: A/AC
·Tripping curve: B C D
·Pole No.: 1P+N,2P3P,3P+N,4P
·Rated voltage: 240/415V~
·Rated frequency: 50/60Hz
·Rated current: 6-63A
·Rated residual operating current(l△n): 30,100,300mA
·Residual operating current range: 0.5 1△n~I△n
·Rated breaking capacity (lcn): 6000A,10000A
·Energy limiting class: 3
·Electrical and Mechanical life: 20000


Product Detail

Product Tags

Installation

Fault current in dicator YES
Protection degree IP20
Ambient temperature 25°C~+40°C and its average over a period of 24h does not exceed +35°C
Storage temperature -25°C~+70°C
Terminal connection type Cable/U-type busbar/Pin-type busbar
Terminal size top for cable 25mm²
Tightening torque 2.5N.m
Mounting On DIN rail FN 60715 (35mm) by means of fast clip device
Connection Top and bottom

 

Overload Current Protection Characteristics

Test procedure Type Test Current Initial State Tripping or Non-tripping Time Limit Expected Result Remark
a B,C,D 1.13In cold t≤1h no tripping
b B,C,D 1.45In after test a t<1h tripping The current steadily rises to
the specified value within 5s
c B,C,D 2.55In cold 1s<t<60s tripping
d B 3In cold t≤0.1s no tripping Turn on the auxiliary switch to
close the current
C 5In
D 10In
e B 5In cold t<0.1s tripping Turn on the auxiliary switch to
close the current
C 10In
D 20In

 

Residual Current Operating Breaking Time

Type In/A I△n/A Residual Current (I△) Is Corresponding To The Following Breaking Time (S)
AC Type any
value
any
value
1ln 2In 5In 5A,10A,20A,50A
100A,200A,500A
A Type >0.01 1.4In 2.8In 7In
0.3 0.15 0.04 Max Break-time
The general type RCBO whose current IΔn is 0.03mA or less can use 0.25A instead of 5IΔn.

 

 

Applicaitons

Leakage circuit breaker with overload protection: ensure electricity safety

In today’s world where technology plays a vital role in our daily lives, it is essential to have a safe and reliable power system. One of the key components to ensure the safety of electricity use is the leakage circuit breaker with overload protection function. This device is becoming increasingly popular due to its ability to detect fault currents and provide effective protection against electric shock and fire hazards. Let’s delve into the application of this intrinsically safe device.

Residual current circuit breakers with overload protection, commonly known as RCBOs, are widely used in residential, commercial and industrial applications. In a residential setting, they are installed to prevent electrical accidents in the home. The RCBO continuously monitors the circuit and disconnects the power supply if it detects any fault current. This protects individuals from electric shock, especially in areas such as kitchens or bathrooms where there is a high risk of water and electricity contact.

Commercial establishments such as offices and stores also use RCBOs to keep employees and customers safe. As the number of appliances and equipment increases, the risk of overloading or electrical failure increases significantly. RCBOs provide protection for these situations, preventing property damage and potential injury. Additionally, they minimize downtime due to electrical failures, helping to maintain the continuity of business operations.

In industrial settings, RCBOs play a vital role in protecting workers and machinery. Factories and manufacturing plants are often equipped with heavy machinery and high power equipment, which can cause dangerous electrical failures. Adding RCBOs to the electrical system can accurately detect and respond to abnormal currents, ensuring the safety of the entire installation. These devices contribute to smoother operations and increased productivity by preventing costly breakdowns and accidents.

In addition to the core function of residual current protection, RCBOs also provide overload protection. This means they can detect excessive electrical loads and trip circuit breakers to prevent damage to circuits or equipment. This feature is especially useful as it helps prevent electrical fires caused by overloading. With the ever-increasing demands of modern electricity, there is a great risk of circuit overloading. Therefore, RCBOs are an important line of defense against such hazards and increase overall electrical safety.

In a word, the application of residual current circuit breaker with overload protection function is extensive and important. Whether in a residential, commercial or industrial setting, these devices play an important role in ensuring electrical safety. By continuously monitoring faults, detecting abnormal currents, and providing overload protection, RCBOs protect people and property from electrical shock and fire hazards. Investing in these devices is not only a legal requirement in many jurisdictions, but it is also a prudent step towards creating a safer electrical environment for everyone.


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