VKL11 RCD Type B VDE KEMA NF

• General

1.1 Function

VKL11B RCD and VKL11B+ RCD 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

• Technical parameters

• Special features regarding the use of SIQUENCE universal current-sensitive residual current device (Type B and Type B+)
  • Applications

3.1 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

• Wiring diagrams

• Tripping characteristics

.B type

• Dimensions (mm)
• 

RCD TYPE B is a Super immunised Residual Current Device designed to protect people from electric shock and fire caused by earth leakage. It comes with a rated residual operating time of 0.03s, rated conditional short-circuit current of 10kA, rated insulation voltage of 500V, rated impulse withstand voltage of 4kV and rated residual non-operating time of 0.3s.

The RCD TYPE B is a reliable and highly accurate device, capable of rapidly detecting and tripping off when a dangerous earth leakage current is detected. This helps to prevent injuries caused by electric shock and fire, and is suitable for residential, commercial and industrial applications.

The RCD TYPE B is designed to be easy to install and maintain, with its compact size and robust construction making it ideal for use in confined spaces. It is also highly energy efficient, consuming minimal power and reducing energy costs.

So if you are looking for a reliable, accurate and energy efficient safety device, the RCD TYPE B is an ideal choice.

Features:

• Product Name: RCD TYPE B
• Rated Storage Temperature: -40℃~+70℃
• Rated Frequency: 50Hz/60Hz
• Rated Voltage: 2P: 230/240V AC; 4P: 400/415V AC
• Rated Residual Operating Time: 0.03s
• Rated conditional short-circuit current Inc: 10kA

Applications:

RCD TYPE B, also known as Super immunised Residual Current Device, is a kind of protective device manufactured by HAROK with model number VKL11. With its origin from CHINA, it has been certified by CE, CB, NF, ISI, SEMKO, meeting the requirements of safety and quality. The minimum order quantity is 5000, and it is packed in paper carton for delivery. After payment, it will take 4-6 weeks to arrive. The payment terms are FOB NINGBO or SHANGHAI. The supply ability is quite impressive, up to 100,000 PCS PER MONTH. The operating temperature ranges from -25℃ to +55℃, and the rated storage temperature is between -40℃ and +70℃. The rated frequency is 50Hz/60Hz, and the rated insulation voltage is 500V. Its protection degree is IP20, making it highly resistant to dust, water, and other external factors.

Technical Parameters:

Customization:

Our RCD TYPE B product is a Super immunised Residual Current Device with High immunity and High immunity RCD TYPE B. Brand Name: HAROK, Model Number: VKL11, Place of Origin: CHINA. Certification: CE, CB, NF, ISI, SEMKO, Minimum Order Quantity: 5000, Packaging Details: PAPER CARTON, Delivery Time: 4-6 weeks after payment, Payment Terms: FOB NINGBO or SHANGHAI, Supply Ability: 100,000 PCS PER MONTH, Rated Residual Operating Current: 30mA, Operating Temperature: -25℃~+55℃, Rated Impulse Withstand Voltage: 4kV, Rated conditional short-circuit current Inc: 10kA, Rated Residual Operating Time: 0.03s.

Packing and Shipping:

RCD Type B products are packaged and shipped in standard cardboard boxes with the following dimensions:

• Length: 14 inches
• Width: 10 inches
• Height: 8 inches

The products are shipped in accordance with standard shipping regulations and safety protocols. All packages are inspected for damage and checked for proper seal integrity before being shipped.