Description
Advanced Protection with Type B Technology
The OML3-63B DC Residual Current Circuit Breaker is engineered for precision safety in solar photovoltaic systems, EV charging stations, and industrial automation. Featuring Type B residual current detection, it safeguards against:
AC currents
Pulsating DC
Smoothed DC
High-frequency leakage currents up to 1 kHz
Perfect for modern electrical environments, this RCCB ensures full-spectrum protection in sensitive and high-risk applications.
Key Features & Benefits
- Type B Residual Current Detection: Detects AC, DC, and high-frequency leakage currents for full-range coverage
- High Sensitivity (30mA to 300mA): Rapid detection of leakage faults for user and equipment safety
- Short Circuit Rating (10kA): Withstands power surges and system faults without compromising performance
- Durability: 2,000 electrical / 10,000 mechanical cycles for long-lasting reliability
- Compact Design: DIN rail mountable with 3N.m tightening torque for easy and secure setup
- Wide Current Range: Available in 16A, 25A, 32A, 40A, and 63A configurations
🏗 Application Areas
☀ Solar PV Systems – Efficient DC current protection in solar inverters and arrays
⚡ EV Chargers – Compliant with EVSE safety norms, protecting users and vehicles
🏭 Industrial Equipment – Secures VFDs, PLCs, and robotics from leakage faults
🏢 Commercial Infrastructure – Elevators, medical equipment, and switchgear safety
🚧 Energy Storage Systems – Protects battery packs in BESS & UPS environments
Specification
| Rated voltage | 240V~1P+N，415V ~3P +N | |
| Rated current | 16A,25A,32A,40A,63A | |
| Rated residual operated current | 0.03A,0.1A,0.3A | |
| Poles | 1P+N,3P+N | |
| Type of residual current | Type B (AC+A+ smoothing DC +F+ high frequency signal 1KHz) | |
| Rated limited short circuit current | 10000A | |
| Rated making and breaking capacity | 1000A | |
| Rated residual making and breaking capactly | 1000A | |
| Rated insulation voltage | 1P+N:250V 3P +N:500V | |
| Rated impulse wihstand voltage | 4000V | |
| Electrical life | 2000 times | |
| Mechanicallife | 10000 times | |
| Operated ambient temperature | -25~+40℃ | |
| Stored ambient temperature | -25~+70℃ | |
| Tightening torque | 3N.m | |
| Connection capcity | 16mm² | |
| Pollution Ievel | 2 | |
| Protection level | IP20 | |
Dimensions
✅ Compliance & Certification
Meets international safety standards
Ideal for IEC 60755 and IEC 61008/61009 compliant systems
Suitable for residential, commercial, and industrial-grade installations
🛠 Why Choose the OML3-63B RCCB?
Future-Proof Safety – Handles today’s electrical demands and tomorrow’s challenges
Compact & Versatile – Flexible form factor for panel builders and integrators
Global Standards Ready – Aligns with the highest benchmarks in protection
📦 Package Includes
1 × OML3-63B DC Residual Current Circuit Breaker
Installation manual
Compliance certification
Why Choose Us for RCCB Supplier
Since 2005, OOHMAGE has been a leader in low-voltage electrical and DC solar products. As a premier DC RCCB manufacturer, we have built a robust network encompassing manufacturing, quality inspection, R&D, brand promotion, and international trading. Our 19 years of expertise ensure that our DC solar products meet the highest standards, tailored to the needs of B2B clients worldwide.
At OOHMAGE, we offer full-scale OEM and ODM services, allowing you to customize DC RCCB to your specific requirements. Our dedicated teams collaborate closely with clients to design and develop products that exceed industry standards. Whether you need standard or bespoke solutions, our capabilities as a DC RCCB Factory ensure timely delivery and superior quality, helping you stay competitive in the solar market.
Quality is at the core of OOHMAGE’s operations. As a leading DC RCCB Factory, we implement strict quality control measures to guarantee the reliability and performance of every RCCB. Our solutions for AC and DC electrical connections and protection are designed to enhance the efficiency, safety, and sustainability of your solar installations. With over 90% customer satisfaction and comprehensive certifications, we deliver products you can trust.
OOHMAGE proudly serves over 120 countries from our state-of-the-art manufacturing base in Yueqing, Zhejiang, China. Our strategic location provides significant advantages in manufacturing, sales management, assembly, and after-sales service. As your trusted DC RCCB Factory, we offer reliable supply chains and dedicated customer support to ensure a seamless partnership. Choose OOHMAGE for high-quality DC RCCB and experience unparalleled service and expertise.
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