PXB2Ln-63 RCBO (Residual Current Circuit Breaker) OEM Manufacturer
The PXB2Ln-63 combines overload, short-circuit, and residual current protection in a compact miniature circuit breaker, ideal for enhanced safety in residential and commercial settings. With B, C, D curves and 6A to 63A ratings, it detects leakage at 30mA for quick fault isolation. Meeting IEC60898-1, GB/T10963.1, and additional RCBO standards with CCC certification, it features 500V insulation, 4000V impulse withstand, and 4500A capacity. In 1P+N configuration for 50/60Hz AC, it provides over 6,000 electrical cycles and IP20 protection, with easy DIN rail setup via 45mm grip.
Product Features
■ Earth Leakage Protection
30/50/100/300mA sensitivity options provide personal protection aggainst electric shock
■ Dual Protection Function
Combines overload/short-circuit protection with earth leakage protection
■ Fast Response
≤ 0.1s tripping time for quick fault circuit interruption
■ Flexible Configurations
1P+N, 2P,3P,3P+N and 4P versions available
Ordering Specification
1.Product Model: PXB2Ln-63
2.Number of Poles: 1P+N,
3.Rated Current & Tripping Curve: [e.g.: C/32A]
- Tripping Curve: B, C,
- Rated Current (In):6A, 10A, 16A, 20A, 25A, 32A,40A,50A,63A
4.Rated Residual Operating Current (IAn): 30mA,
5.Quantity: [e.g.: 100 pcs]
Ordering Example:
PXB2Ln-63 1P+N C/32A 30mA 100 pcs
Type designation
Tripping curves
Dimensions(mm)
Technical Specifications
| Parameter | |
| Rated Current (In) | 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
| Rated Voltage | 230V~ |
| Rated Frequency | 50/60Hz |
| Rated Breaking Capacity | 6kA |
| Tripping Type | Thermal-magnetic (for overload and short-circuit) |
| Residual Current Operating Characteristic | AC, A |
| Rated Residual Operating Current (IΔn) | 30mA |
| Rated Residual Non-Operating Current (IΔno) | 15mA |
| Instantaneous Tripping Type | B, C |
| Number of Poles | 1P+N |
| Rated Impulse Withstand Voltage (Uimp) | 4kV (1.2/50 μs wave) |
| Power Frequency Withstand Voltage Test | 2kV for 1 minute |
| Thermal Tripping Characteristic | (1.13-1.45) x In |
| Magnetic Tripping Characteristic | B: (3-5) x In, C: (5-10) x In |
| Electrical Endurance | 6,000 cycles |
| Mechanical Endurance | 10,000 cycles |
| Contact Position Indicator | Yes |
| Degree of Protection | IP20 |
| Ambient Temperature | -25℃ to +40℃, max. humidity 95% |
| Maximum Cable Terminal Size | 16mm² |
| Maximum Tightening Torque | 2.5 N.m |
| Mounting Method | Mounts on 35mm DIN rail |
| Standard | IEC/EN 61009-1 |
Conductor requirements and cross section
| Copper cross-section(mm2) | Rated current In(A) |
| 1 | In≤6 |
| 1.5 | 6<In<13 |
| 2.5 | 13<In≤20 |
| 4 | 20<In≤25 |
| 6 | 25<In≤32 |
| 10 | 32<In≤50 |
| 16 | 50<In≤63 |
Why Choose CHAC
With 30+ years of manufacturing experience, 1100+ employees, 100M+ poles
annual capacity and 90% automated production, CHAC provides stable production capacity and strict
quality control for global OEM/ODM customers. Our in-house manufacturing system supports long-term
cooperation for electrical brands, importers and distributors.
30+
YEARS EXPERIENCE
Specialized in low-voltage electrical manufacturing
1100+
EMPLOYEES
Professional team ensures stable quality and delivery
100M+
POLES ANNUAL CAPACITY
Large-scale production capacity to meet global demand
90%
AUTOMATED PRODUCTION
Advanced automation for high efficiency and consistency
Automated Assembly Line
Testing Laboratory
Injection & Stamping
Quality Inspection
Strict quality control system ensures every product meets global standards.
What Can We Customize?
We support customization across branding, packaging, product appearance,
electrical specifications, certification requirements and engineering development. Whether customers
need private label products, market-specific parameters or new product development, CHAC can provide
flexible solutions based on project requirements.
Logo & Branding
Custom logo printing, laser marking and nameplate solutions.
Packaging
Personalización
Customized color boxes, cartons, labels and manuals.
Electrical
Personalización
Current, voltage, breaking capacity, trip curve and other
special functions.
Product
Appearance
Housing color, handle color and appearance customization.
Certification
Support
Products comply with international standards and market
requirements.
Engineering
Development
Drawing evaluation, prototype testing and mass production.
Descargar
PXB2 Series Miniature Circuit Breaker
Complete product overview for low-voltage electrical components and product selection reference.
Need Technical Documents?
Contact us for datasheets, certificates, drawings, selection guidance or OEM/ODM project support.
Frequently Asked Questions
¿Admite la personalización de productos según nuestros requisitos de diseño?
A1:Absolutely. We specialize in OEM and ODM cooperation in the low-voltage electrical field and have provided customized services for many internationally renowned companies. We offer full-process support, including R&D design, parameter adjustments, and special material selection, ensuring the product fully meets your requirements.
P2: ¿Cuál es tu capacidad de producción y Cantidad Mínima de Pedido (MOQ)?
A2: We operate a highly automated production base with an annual output of over 100 million poles for miniature circuit breakers. Our MOQ policy is flexible. We can provide competitive trial orders for small batches and dedicated production capacity guarantee plans.
P3: ¿Qué garantías hay sobre la calidad del producto y las certificaciones?
A3: Our main products are certified with CCC, CE, CB, and more, and are sold in over 30 countries and regions worldwide. The company has established a dedicated Quality Operations Center that works with the business and production departments to implement full-process quality control, ensuring products meet international standards.
Q4: Do you have the capability for product R&D and turning concepts into reality?
A4: We have a complete R&D team and digital workshops, backed by extensive customization experience serving numerous international clients. From concept proposal and sample development to mass production, we provide end-to-end technical support to help bring your ideas to life.
