Super immunised Residual Current Circuit Breaker Type B
1. General
1.1 Function
VKL11B RCCB and VKL11B+ RCCB is appearance design, compact
structure, good reliability, and high safety. They are universal
residual current circuit breaker.
Residual current circuit breaker 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 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.
1.2 Selection
Detectable wave form
Type B 
Tripping is ensured for sinusoidal AC residual currents pulsed DC
residual currents, alternating residual sinusoidal currents up to
1000Hz, pulsating direct residual currents and for smooth direct
residual currents, whether applied suddenly or increasing slowly.
Type B+
Meet full type B feature , with additional tripping values are
defined up to 20KHZ and they are below 420mA
Tripping sensitivity
30mA - additional protection against direct contact.
100mA - co-ordinated with the earth system according to the formula
IΔn＜50/R, to provide protection against indirect contacts;
300mA - protection against indirect contacts, as well as fire
hazard.
Tripping time
Instantaneous It ensures instantaneous tripping(without time-delay).
Short time delay
Selective (time delay)
1.3 Approvals and certificates
RCCB | Residual Current Circuit Breaker
2. Technical parameters
| Type | B | B+ |
| Electrical |
| Design according to | IEC/EN 62423, IEC/EN 61008-1, OVE E8601 |
| VDE 0664-400 |
| Current test marks as printed onto the device |
| Rated voltage Un | 2P: 230/240V AC 4P: 400/415V AC |
| Rated frequency fn | 50/60Hz |
| Mode of operation | "A type functionality: voltage independent B and B+ type functionality: voltage dependent" |
| Operation voltage electronic | 50 – 264V AC |
| Voltage range test circuit | 2P: 184 – 264V AC 4P: 184 – 440V AC |
| Rated current In | 16A, 25A, 32A, 40A, 63A, 80A, 100A |
Rated residual operating current I△n | Instantaneous | 30mA, 100mA, 300mA, 500mA | 30mA, 100mA, 300mA |
| K-short time delayed (G, ASi) | 30mA, 100mA, 300mA, 500mA | 30mA, 100mA, 300mA |
| S- selective | 100mA, 300mA, 500mA | 100mA, 300mA |
| Sensitivity | Alternating, pulsed and smooth direct currents |
| High frequency up to 1 kHZ | High frequency up to 20kHZ |
| Rated insulation voltage Ui | 500 V |
| Rated impulse withstand voltage Uimp | 4 kV (1.2/50μs) |
| Rated conditional short-circuit current Inc | 10 kA |
| Rated making and breaking capacity Im | 1500 A |
| Peak withstand current | 3 kA (8/20 μs) surge current proof 5 kA (8/20 μs) surge current proof for type S |
| Electrical isolation | > 4 mm contact space |
Maximum back-up fuse In = 16-100A | Short circuit and overload protection 100 A gG/gL |
Endurance (operating cycles) | electrical components | ≥ 2000 |
| mechanical components | ≥ 4000 |
| Mechanical |
| Degree of protection | IP20 |
| Upper and lower terminals | open mounted / lift terminals |
| Terminal capacity | 1 - 25 mm2 |
| Terminal torque | 2 - 2.5 Nm |
| Busbar thickness | 0.8 - 2 mm |
| Operating temperature | -25°C ... +55°C |
| Storage- and transport temperature | -40°C ... +70°C |
| Resistance to climatic conditions | IEC/EN 61008 |
| Contact position indicator | mechanical red / green |
| Supply possibility | top or bottom |
| Mounting position | any |
3. Special features regarding the use of SIQUENCE universal
current-sensitive residual current circuit breaker (Type B and Type
B+)
3.1 Applications
Typical applications that are vulnerable to smooth DC residual
currents:
- Frequency converters with a three-phase connection
- Medical equipment such as X-ray equipment or CT machines
- Photovoltaic or UPS systems
- Connection points (wall boxes, charging stations) for electric
vehicles
- Elevator controllers
- Pipeline trace heating
- Test setups in laboratories
- Construction sites in accordance with BGI 608 information leaflet
(Electronic equipment on construction sites)
- Charging stations for battery-powered forklift trucks
- Cranes of all kinds
- Mixing plants if relevant loads are connected
- Variable-speed machine tools, such as milling and grinding
machines or lathes
4. Wiring diagrams
5. Tripping characteristics
B type
6. Dimensions (mm)
Product Description:
RCCB TYPE B is a high immunity RCCB (Residual Current Circuit
Breaker) with mode of operation voltage dependent. It is a super
immunised RCCB designed to protect people from electric shock or
injury due to earth leakage. It has a rated residual operating
current I△n of 30mA, 100mA, 300mA, 500mA(Instantaneous & K-short
Time Delayed (G, ASi)); 100mA, 300mA, 500mA (100mA, 300mA, 500mA)
and rated current In of 16A, 25A, 32A, 40A, 63A, 80A, 100A. It has
an electrical endurance of ≥ 2000 and is widely used in
residential, commercial and industrial applications. RCCB TYPE B
ensures high safety levels in any electrical installation. It
offers superior protection against electric shock and is an ideal
protection device for human safety.
Features:
- Product Name: Super immunised RCCB TYPE B
- Rated Frequency: 50/60Hz
- Mode of operation: Voltage Dependent
- Busbar thickness: 0.8 - 2 Mm
- Rated residual operating current I△n: 30mA, 100mA, 300mA, 500mA(Instantaneous & K-short Time Delayed (G,
ASi)); 100mA, 300mA, 500mA (100mA, 300mA, 500mA)
- Rated insulation voltage Ui: 500V
Applications:
HAROK's VKL11 RCCB TYPE B is specially designed for high immunity
requirement. It is a Residual Current Circuit Breaker (RCCB)
manufactured in CHINA, complying with IEC/EN 62423, IEC/EN 61008-1,
and OVE E8601 standards. This RCCB operates based on voltage
dependent mode, and it has a rated making and breaking capacity of
1500A, as well as rated residual operating current of 30mA, 100mA,
300mA, 500mA (Instantaneous & K-short Time Delayed (G, ASi)), and
100mA, 300mA, 500mA (100mA, 300mA, 500mA). The rated current is
16A, 25A, 32A, 40A, 63A, 80A, 100A.
Technical Parameters:
| Standard | IEC/EN 62423, IEC/EN 61008-1, OVE E8601 |
| Rated current In | 16A, 25A, 32A, 40A, 63A, 80A, 100A |
| Degree of protection | IP20 |
| Rated residual operating current I△n | 30mA, 100mA, 300mA, 500mA(Instantaneous & K-short Time Delayed (G,
ASi)); 100mA, 300mA, 500mA (100mA, 300mA, 500mA) |
| Rated making and breaking capacity Im | 1500A |
| Rated Frequency | 50/60Hz |
| Rated insulation voltage Ui | 500V |
| Rated impulse withstand voltage Uimp | 4 KV (1.2/50μs) |
| Product Name | RCCB TYPE B |
| Busbar thickness | 0.8 - 2 Mm |
Customization:
HAROK VKL11 Super immunised RCCB TYPE B
Brand Name: HAROK
Model Number: VKL11
Place of Origin: CHINA
Product Name: RCCB TYPE B
Sensitivity: Alternating, Pulsed And Smooth Direct Currents (High
Frequency Up To 1 KHZ)
Rated insulation voltage Ui: 500V
Rated Frequency: 50/60Hz
Rated impulse withstand voltage Uimp: 4 KV (1.2/50μs)
HAROK VKL11 High immunity RCCB TYPE B provides superior immunity
against alternating, pulsed and smooth direct currents (high
frequency up to 1 KHZ) with 500V rated insulation voltage and 4KV
rated impulse withstand voltage, 50/60Hz rated frequency.
Packing and Shipping:
Packaging and Shipping for RCCB TYPE B:
The RCCB TYPE B is packaged securely in a cardboard box to prevent
damage during shipping. The box is labeled with the product model,
serial number, and other relevant information. The box also
includes all necessary components for assembly. The box is then
sealed with a tamper-proof seal to protect the contents.
The RCCB TYPE B is then shipped via a reputable courier service.
The delivery will be tracked and insured for the safety of the
product. Upon receipt of the package, it should be checked for any
visible damage or tampering. If any damage is present, contact the
courier service immediately to file a claim.
