Super immunised RCD Type B

• 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)
• 

Product Description:

RCD TYPE B is a Super immunised Residual Current Device that has been rated to provide superior protection. It is designed with a Rated Residual Operating Current of 30mA, 100mA, 300mA and 500mA, and a Rated Voltage of 2P: 230/240V AC and 4P: 400/415V AC. The Rated Residual Operating Time for RCD TYPE B is 0.03s, and it has a Rated Current of 16A, 25A, 32A, 40A, 63A, 80A and 100A.

This product is designed to provide superior protection for electrical circuits and equipment, and it is essential for the reliable operation of the electrical system in any residential, commercial or industrial environment. It is a reliable and cost-effective solution that can help reduce the risk of fire and electrical shock, and it is highly recommended for use in any environment.

Features:

• Product Name: RCD TYPE B
• High immunity RCD, RESIDUAL CURRENT DEVICE, Super immunised Residual Current Device
• Rated Residual Operating Time: 0.03s
• Rated Voltage: 2P: 230/240V AC; 4P: 400/415V AC
• Rated residual operating current I△n: 30mA, 100mA, 300mA, 500mA
• Rated Current: 30mA
• Operating Temperature: -25℃~+55℃

Applications:

HAROK's RCD TYPE B (Residual Current Device) with model number VKL11 is a reliable and stable product, certified with CE, CB, NF, ISI, and SEMKO standards. It has a minimum order quantity of 5000 and comes in a paper carton packaging. The delivery time is 4-6 weeks after payment, and the payment terms are FOB NINGBO or SHANGHAI. The supply ability is 100,000 PCS PER MONTH. The rated conditional short-circuit current inc is 10kA and the rated voltage is 2P: 230/240V AC; 4P: 400/415V AC. The rated residual operating current I△n is 30mA, 100mA, 300mA, 500mA, and the rated insulation voltage is 500V.

Technical Parameters:

Support and Services:

Technical Support and Service for RCD TYPE B:

• 24/7 technical support
• Access to technical documentation library
• Software upgrades
• Hardware repair and maintenance services
• Remote diagnostic and troubleshooting services
• On-site technical assistance

Packing and Shipping:

The RCD TYPE B should be securely packaged, labeled, and shipped in accordance with applicable regulations and standards. The packaging should include the following:

• Instructions for installation, operation, and maintenance
• Product warranty information
• Appropriate labels for hazard warning and handling
• Corrosion protection such as VCI (vapor corrosion inhibitors) or other methods as required
• Shock and vibration protection
• Moisture protection
• Appropriate outer packaging, such as cardboard boxes or crates, depending on the size of the shipment