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RCBO | Residual Current Operated Circuit Breaker with over-current
protection
VRL03 Residual CurrentOperated Circuit Breaker with over-current protection(MCB sized 1 module with switched neutral)
1. General
VRL03 residual current operated circuit breakers are suitable for lines with AC 50/60Hz, rated voltage 240V, rated current up to 50A and for purposes of residual current protection, overload and short circuit protection. When any personal electric shock occurs or the circuit leakage current exceeds the predetermined value, the residual current operated circuit breaker can automatically cut off the power supply in a very short period of time, so that the safety of persons and electrical equipment can be operated. The residual current operated circuit breaker can be used for infrequent conversion of lines under normal conditions, and applied under occasions such as industrial, and commercial, high-rise buildings and residential houses.
2. Technical parameters
2.1 The tripping characteristic curves are as shown below.
2.2 Basic parameters
| Standard | IEC/EN 61009-1, AS/NZS 61009.1 | |
| Main Specifications | Model No. | VRL03 |
| Rated current In | 6A, 10A, 16A, 20A, 25A, 32A, 40A, ,45A, 50A | |
| Classified by Type of Instantaneous Tripping | Type B: (3 ~ 5) In, Type C: (5 ~ 10) In | |
| Poles | 1P + N | |
| Type (wave form of the earth leakage sensed) | Type AC, Type A | |
| ;Mechanical features | Rated voltage Ue | AC240V |
| Frame size rated current Inm | 50A | |
| Rated residual operating current I△n | 0.01A, 0.03A, 0.1A, 0.3A | |
| Rated residual non-operating current I△no | 0.005A, 0.015A, 0.05A, 0.15A | |
| Rated short-circuit breaking capacity Icn | 230/240V 6000A, 10000A; 120V 15000A | |
Rated residual making and breaking capacity I△m | 500A | |
| Electrical life | 2,000 | |
| Mechanical life | 2,000 | |
| Rated impulse withstand voltage Uimp | 6000V | |
| Connection | From top and bottom, from bottom and top |
2.3 The residual current breaking times
| In (A) | I△n (A) | Breaking time when the residual current assumes the following values (s) | ||||
| I△n | 2I△n | 5I△n | 5A, 10A, 20A, 50A, 100A, 200A, 500A(a) | I△t(b) | ||
| 5~40 | 0.006, 0.01, 0.03, 0.1, 0.3 | 0.1 | 0.05 | 0.04 | 0.04 | 0.04 |
a. For tests of 5A, 10A, 20A, 50A, 100A, 200A and 500A, the current values beyond the lower limit of over-current instantaneous tripping are not tested. B. Tests are done when I△t is equal to the lower limit current of over-current instantaneous tripping of type B and type C. | ||||||
2.4 The over-current protection characteristics
| No. | Rated current In (A) | Initial state | Test current (A) | Specified time (t) | Expected result | Remarks |
| a | 6 ~ 40 | Cold state | 1.13 In | t ≥ 1h | Non-tripping | |
| b | Immediately after sequence a | 1.45 In | t < 1h | Tripping | Increase to the specified current within 5s after test item a. | |
| c | Cold state | 2.55 In | 1s < t < 60s | Tripping | ||
| d | Cold state | 3 In | t ≥ 0.1s | Non-tripping | Type B | |
| 5 In | t < 0.1s | Tripping | ||||
| 5 In | t ≥ 0.1s | Non-tripping | Type C | |||
| 10 In | t < 0.1s | Tripping |
3. Outline and installation dimensions (mm)
RCBO Type A is a high performance electrical protection device designed to protect circuits from overload, short circuit and residual current. It combines the functions of a circuit breaker and an overcurrent protection device, and is suitable for use in industrial, commercial and residential applications. The RCBO Type A is rated for a residual current on-state of ≤0.2mA, a mechanical life of 2000, rated residual operating current of 0.01A, 0.03A, 0.1A, 0.3A and a rated residual current operating time of ≤0.1s. It also has a frame size rated current of 50A. RCBO Type A is an ideal choice for reliable and safe electrical protection.
HAROK RCBO Type A is a residual current operated circuit breaker with over-current protection. It is featured with high breaking capacity and short operating time, and is available in different models with rated current ranging from 6A to 50A and rated frequency of 50/60Hz. It provides reliable and effective protection from over-current and residual current, and is suitable for a variety of applications. It is rated with a residual current operating time of ≤0.1s, rated breaking capacity of 6kA and rated residual current on-state of ≤0.2mA. The models VLR22, VAL003, VKL003, VDL006, VRL11, VRL01, VRL02, VRL03 and VK007LE are widely used in residential, commercial and industrial settings. With its high safety standards, HAROK RCBO Type A is an ideal choice for modern electrical installations.
| Product Name | RCBO Type A |
|---|---|
| Rated Frequency | 50/60Hz |
| Rated Current | 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A |
| Rated Residual Current Off-state | ≤0.1mA |
| Rated Residual Current On-state | ≤0.2mA |
| Rated Residual Non-operating Current I△no | 0.005A, 0.015A, 0.05A, 0.15A |
| Rated Residual Operating Current I△n | 0.01A, 0.03A, 0.1A, 0.3A |
| Rated Short-circuit Breaking Capacity Icn | 230/240V 6000A, 10000A; 120V 15000A |
| Electrical Life | 2000 |
| Mechanical Life | 2000 |
HAROK's RCBO Type A is designed for safety and reliability. Our product features a variety of models, including VRL22, VAL003, VKL003, VDL006, VRL11, VRL01, VRL02, VRL03, VK007LE. It's classified by type of instantaneous tripping, with type B (3~5 In) and type C (5~10 In). The rated residual non-operating current I△no is 0.005A, 0.015A, 0.05A, 0.15A, while the rated residual current off-state is ≤0.1mA. The rated short-circuit breaking capacity Icn is 230/240V 6000A, 10000A; 120V 15000A, and the frame size rated current Inm is 50A.
HAROK's RCBO Type A is a top-of-the-line product, made with superior materials and craftsmanship in China. Our product boasts excellent electrical and mechanical performance, and is highly reliable in the circuit protection of residential, commercial and industrial applications.
RCBO Type A is packaged and shipped in a cardboard box with foam inserts. The box measures 35cm x 25cm x 15cm and has a weight of 2.5 kg. It is shipped with standard 3-5 day delivery.
The box contains all of the necessary components and instructions for installation. It also includes a mounting bracket, screws and plugs for connecting the device. All components are securely packaged to ensure that they arrive in perfect condition.
The cardboard box is designed to withstand the rigours of shipping and is padded with foam to protect the contents from shock and vibration. The box is also marked with the product information and a barcode for easy tracking.
