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mini RCBO | Residual Current Operated Circuit Breaker with over-current
protection
VRL01 Mini RCBO
(MCB sized 1 module with switched neutral)
1. General
1.1 Function
VRL01B RCBO type B and VRL01B+ 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. | VRL01 |
| 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 Residual Current Operated Circuit Breaker (RCBO) developed and manufactured in accordance with IEC/EN 61009-1 and AS/NZS 61009.1 standards. Its classified by Type of Instantaneous Tripping, Type B: (3 ~ 5) In, and Type C: (5 ~ 10) In, with frame size rated current Inm up to 50A. It has an adjustable rated residual operating current range of 0.01A, 0.03A, 0.1A, 0.3A and a rated residual making and breaking capacity I△m of 500A. It is designed for residential, industrial and commercial applications, and is suitable for protecting against electric fires, electric shocks and short-circuits.
HAROK TYPE B Residual Current Operated Circuit Breaker (RCBO) is an advanced electrical device for over-current and short-circuit protection. It is designed to provide reliable protection and safety for commercial and industrial electrical systems. This RCBO is classified by type of instantaneous tripping, including Type B (3 ~ 5) In and Type C (5 ~ 10) In. It is available in various models, such as VRL22 2P/4P, VRL11, VAL003, VKL003, VDL006, VRL01, VRL02, VRL03, VK007LE, and 1P-4P. It is manufactured in China with rated voltage of AC240V, rated residual making and breaking capacity I△m of 500A, and mechanical life of 2000.
HAROK TYPE B Residual Current Operated Circuit Breaker (RCBO) is a perfect choice for commercial and industrial applications, offering reliable protection and safety. It offers a high degree of over-current and short-circuit protection, as well as improved protection against fire and shock. It can be used in various applications, such as residential, office, industrial, and commercial buildings. This RCBO is designed for reliable performance, offering superior protection and safety. It is easy to install and maintain, making it an ideal choice for any application.
| Parameter | Value |
|---|---|
| Product Name | RCBO Type B |
| Frame size rated current Inm | 50A |
| Rated Current | 6A 10A 16A 20A 25A 32A 40A 50A |
| Rated Residual Non-Operating Current | 0.005A, 0.015A, 0.05A, 0.15A |
| Rated residual making and breaking capacity I△m | 500A |
| Rated Voltage | AC240V |
| Standard | IEC/EN 61009-1, AS/NZS 61009.1 |
| Poles | 1P+N |
| Classified by Type of Instantaneous Tripping | Type B: (3 ~ 5) In, Type C: (5 ~ 10) In |
| Electrical Life | 2000 |
The HAROK RCBO Type B Circuit Breaker is a Residual Current Operated Circuit Breaker manufactured in CHINA. It is designed to protect circuits against overload, short circuit, and residual current. The models available are VRL22 2P,4P VRL11 VAL003 VKL003 VDL006 VRL01 VRL02 VRL03 VK007LE 1P-4P.
RCBO Type B technical support and services include:
Packaging and Shipping for RCBO Type B
A1: HAROK RCBO Type B is a Residual Current Circuit Breaker with Overcurrent Protection (RCBO) produced by HAROK, with model numbers VRL22 2P,4P VRL11 VAL003 VKL003 VDL006 VRL01 VRL02 VRL03 VK007LE 1P-4P. It is produced in China.
A2: HAROK RCBO Type B provides protection of the electrical circuit against overloads and over-currents, as well as offering protection against electric shocks and fire caused by short circuits. It is designed with a reliable and sensitive trip mechanism for maximum safety.
A3: HAROK RCBO Type B can be used in residential, commercial and industrial buildings for protection of the electrical circuit against overloads and over-currents, as well as providing protection against electric shocks and fire caused by short circuits.
A4: HAROK RCBO Type B has a rated current of 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A and 100A.
A5: HAROK RCBO Type B uses a single-pole, two-wire normally open contactor.
