B-type 63A residual current circuit breaker
The B-type 63A leakage protector has a novel appearance design, compact structure, high reliability, and high safety. The product complies with IEC61008-1 and IEC62423 standards, ensuring a higher level of protection and maintaining the highest operational continuity under all operating conditions.
Main features:
Comprehensive leakage protection: Provides efficient leakage protection for AC, pulsating DC, and smooth DC, ensuring the strongest safety protection in complex electrical environments.
High current capacity: 100A rated current, suitable for high-power applications and power demands in harsh industrial environments.
Wide frequency range: It can effectively protect systems with frequencies up to 1000Hz, especially suitable for the installation needs of inverters and variable frequency drives.
Sensitive leakage detection: Accurately detect and respond to the smallest ground leakage current, ensuring the safety of personnel and equipment.
Durable and sturdy: Made of high-quality and durable materials, it can withstand harsh industrial environments and ensure long-term stable performance.
Easy installation and monitoring: The design supports simple DIN rail installation and is equipped with clear status indicators for real-time monitoring and troubleshooting.
Global certification: Complies with international B-type RCCB safety standards to ensure product reliability and compliance.
Application areas:
Electric Vehicle (EV) Charging Stations and Infrastructure
Solar energy systems and other renewable energy devices
Industrial Machinery and Automation Systems
Data Center and IT Infrastructure
Welding equipment and metal processing equipment
Medical facilities equipped with sensitive electronic devices
Product Advantage Description
ONESTOP’s B-type residual current protection device (RCD) is an ideal choice for high-power applications and pursuit of advanced electrical safety. Choosing ONESTOP means providing excellent protection for personnel and equipment, comprehensively enhancing the safety and reliability of electrical systems.
Technical parameters
| Standard | IEC61008-1, IEC62423 |
|---|---|
| Protection | Ground fault |
| Type of trip | Electro-magnetic |
| Residual current type | B: residual AC, pulsating and smooth DC current, high frequency (≤1kHz) |
| No. of poles | 2P(1P+N), 4P(3P+N), N Pole on left |
| Rated current In | 2P: 16,25,32,40,63A, (80,100A(3 modules)) |
| Rated current In | 4P: 16,25,32,40,63A, 80,100A |
| Rated voltage Ue | 2P(1P+N): 110/230/240V, 4P(3P+N): 240/400/415V |
| Insulation voltage Ui | 500V |
| Rated frequency | 50/60Hz |
| Rated residual operation current(I△n) | 30, 100, 300mA |
| Rated residual making and breaking capacity (I△m) | 500A (In≤50A), 10In (In>50A) |
| Short-circuit current Inc= I△c | 10,000A |
| SCPD fuse | 10,000A |
| Residual current off-time under I△n | ≤0.1s |
| Rated impulse withstands voltage (1.5/50) Uimp | 4000V |
| Dielectric test voltage at ind. Freq. for 1min | 2.5kV |
| Electrical life | 2,000 Cycles |
| Mechanical life | 4,000 Cycles |
| Contact position indicator | green OFF / red ON |
| Ground fault indicator | White: Normal, Red: Leakage fault |
| Protection degree | IP20 |
| Ambient temperature | -25℃~+40℃, Max.95% humidity |
| Terminal connection type | Cable/Pin-type busbar/Fork-type busbar |
| Max. terminal size for cable | 35mm2 |
| Max. tightening torque | 2.5N.m |
| Installation | Mounting on 35mm DIN rail |
| Incoming method | Bi-directional |








