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mini RCBO | Residual Current Operated Circuit Breaker with over-current
protection
VRL03 Mini RCBO
(MCB sized 1 module with switched neutral)
1. General
1.1 Function
VRL03B RCBO type B and VRL03B+ RCBO type B+ are appearance design, compact structure, good reliability, and high safety. They are universal residual current circuit breaker with Overcurrent protection(RCBO).
Rated current up to 63A and for purposes of residual current protection, overcurrent (overload) and short circuit protection. When any personal electric shock occurs or the circuit leakage current exceeds the predetermined value, the RCBO 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.
Residual current circuit breaker with Overcurrent protection(RCBO) type B are suitable for domestic as well as industrial applications, where are used frequency inverters, PV plant, EV chargers and similar elements. B type provides a sensitivity to residual AC, pulsating and smooth DC current, together with high frequencies up to 1 kHz.
Residual current circuit breaker with Overcurrent protection(RCBO) type B+ meet full type B feature , with additional tripping values are defined up to 20KHZ and they are below 420mA.
They are based on electronic technology, which brings advantages of more accurate measuring of residual current and, as a consequence, reduction of unwanted tripping. These devices also do not suffer with magnetization of the tripping unit.
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 B | |
| ;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 B is a device with excellent electrical performance designed to protect people from electric shock, prevent fires caused by electrical faults, and protect electrical equipment from damage. It is rated for a current of 6A, 10A, 16A, 20A, 25A, 32A, 40A, and 50A. Its rated impulse withstand voltage Uimp is 6000V and its rated residual making and breaking capacity I△m is 500A. It also has a rated residual non-operating current of 0.005A, 0.015A, 0.05A, and 0.15A. Finally, its frame size rated current Inm is 50A.
RCBO Type B is a reliable, cost-effective solution for protecting electrical circuits from overload, short circuit, and ground fault. It is easy to install and operate and provides reliable protection for electrical systems. With its high-quality components and superior electrical performance, RCBO Type B is the perfect choice for any application.
RCBO type B circuit breaker, made by HAROK, is a reliable and cost-effective product with high quality standards. It is designed for both commercial and residential applications. Model numbers include VRL22 2P, 4P VRL11 VAL003 VKL003 VDL006 VRL01 VRL02 VRL03 VK007LE 1P-4P. It is manufactured in China and is rated current of 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, with rated impulse withstand voltage Uimp of 6000V. The electrical life of the RCBO type B is 2000, and meets the standard of IEC/EN 61009-1, AS/NZS 61009.1. The connection type is from top and bottom, and from bottom and top.
| Attribute | Value |
|---|---|
| Product Name | RCBO Type B |
| Type | Type B |
| Standard | IEC/EN 61009-1, AS/NZS 61009.1 |
| Rated Voltage | AC240V |
| Rated Current | 6A 10A 16A 20A 25A 32A 40A 50A |
| Rated Residual Operating Current | 0.01A, 0.03A, 0.1A, 0.3A |
| Rated Residual Non-Operating Current | 0.005A, 0.015A, 0.05A, 0.15A |
| Connection | From Top And Bottom, From Bottom And Top |
| Rated impulse withstand voltage Uimp | 6000V |
| Rated residual making and breaking capacity I△m | 500A |
RCBO Type B technical support and service are available to users. Our technical support team is dedicated to providing the best support for your product. We provide a range of services including troubleshooting, installation, technical advice, and more. Our team is committed to helping you get the most out of your product. If you have any questions or require assistance, please do not hesitate to contact us.
Packaging and Shipping for RCBO Type B:
The components of RCBO Type B are packaged in a corrugated box with foam protection for individual components and a bubble wrap to secure the components during shipping.
The package is labeled with the product name and destination address, and weighed to ensure the correct shipping rate. It is then sealed and transported to the destination.
Q: What is the brand of RCBO Type B?
A: The brand of the RCBO Type B is HAROK.
Q: What model numbers does HAROK's RCBO Type B come in?
A: HAROK's RCBO Type B comes in the following model numbers: VRL22 2P,4P VRL11 VAL003 VKL003 VDL006 VRL01 VRL02 VRL03 VK007LE 1P-4P.
Q: Where is the RCBO Type B manufactured?
A: The RCBO Type B is manufactured in China.
Q: What type of product is RCBO Type B?
A: RCBO Type B is a Residual Current Circuit Breaker with Overload protection.
Q: What functions does HAROK's RCBO Type B provide?
A: HAROK's RCBO Type B provides over-current, short-circuit, earth leakage protection, as well as overload protection.
