RCBO B Type AC 415V 63A Leakage & Overcurrent Defense

Engineered specifically for highly advanced commercial electrical networks, this RCBO B Type masterfully integrates precise earth-leakage, overload, and short-circuit protection into one comprehensive unit. The ETL5-63B series functions as a strictly dependable over current circuit breaker, actively monitoring complex waveforms and smooth DC residual currents across heavy-duty residential and industrial terminal circuits up to 63A.

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ModelETL5-63B
AvailabilityIn stock
  • CE & TUV certified
  • Worldwide shipping
  • OEM & ODM support

Product Features of the RCBO B Type

Constructed for rigorous environments with non-linear loads, this RCBO B Type leverages a highly responsive electronic ground fault trip mechanism paired with a robust thermo-magnetic core.

  • Comprehensive Leakage Detection: Detects residual AC, pulsating DC, and smooth DC currents up to 1kHz, offering absolute protection against multi-frequency faults.
  • High Short-Circuit Defense: Achieves a formidable 10kA rated short-circuit capacity (Icn), effortlessly clearing massive high-inrush fault currents in demanding setups.
  • Advanced Visual Diagnostics: Integrates a distinct residual current trip indicator alongside a red/green contact position window for instant, error-free fault recognition.
  • Flexible Wiring Architecture: Designed for top incoming wiring, accepting cables up to 25mm² (rigid) alongside standard pin and fork-type busbars on the line side.
  • Eco-Conscious Durability: Built from premium halogen-free, RoHS-compliant thermoplastics, ensuring long-term structural integrity and a massive 10,000-cycle mechanical lifespan.

ETL5-63B Configuration & Design Tips

The ergonomic IP20 DIN-rail mountable shell incorporates clear visual diagnostics to streamline heavy-duty B2B installations and safety verification.

rcbo b type ETL5-63B product tips

  1. PIN / Fork Busbar Ready (Line Side): Specially designed terminal cavities to accept robust busbar connections for parallel panel routing.
  2. Live Line Interface: Distinctly separated phase connections engineered for maximum AC electrical isolation.
  3. EAN-13 Barcodes: Pad-printed directly on the side enclosure for rapid B2B inventory scanning and warehousing tracking.
  4. Handle Lock Position: Molded slot designed to securely lock the toggle with a mechanical padlock during vital line maintenance.
  5. Short-Circuit Capacity: Distinct 10kA metric marking explicitly pad-printed on the faceplate for exact engineering verification.
  6. PIN Busbar Ready (Load Side): Dedicated terminals to streamline outgoing circuit connections.
  7. Neutral Line Interface: Clearly marked N-pole positioned precisely on the right for standard industrial panel integration (switched neutral).
  8. Test Button: Integrated monthly test switch to instantly verify the internal electronic tripping integrity.
  9. Reset Button: Dedicated mechanical reset switch to quickly restore operations after clearing a fault.
  10. Sensitivity to Residual Current B: Faceplate markings indicating precise Type B multi-frequency optimization capabilities.
  11. Contacts Position Window: Clear red/green mechanical contact position indicator for instant operational status recognition.

 Applications for the RCBO B Type

Deploying the ETL5-63B secures vital single and three-phase distribution nodes, acting as a highly dependable over current circuit breaker for demanding commercial infrastructure.

Applications & Use Cases

  • EV Charging Stations: Detects smooth DC fault currents originating from electric vehicle batteries, ensuring absolute safety for intense public charging infrastructure.
  • Photovoltaic (PV) Systems: Protects solar inverter circuits from complex residual currents, offering superior leakage isolation.
  • Industrial Welding Equipment: Secures robust AC power supply lines feeding specialized variable-frequency machinery against simultaneous overloads and earth faults.

Technical Specifications for the RCBO B Type

Evaluate the exact electronic and thermo-magnetic parameters below to seamlessly integrate this RCBO B Type into your specialized distribution panels.

General, Electrical & Mechanical Data

General & Technical Data (IEC/EN 61009-1, IEC/EN 62423)
Electrical & Protection Parameters
ProtectionGround fault, Overcurrent and short circuitType of tripGround fault: Electronic | Overload: Thermo-magnetic
No. of poles1P+N, 3P+N (N pole on the right)Rated frequency50/60Hz
Rated voltage (Ue)1P+N: 230/240V~ | 3P+N: 400/415V~ ACEnergy limiting class3
Rated currents (In)6, 10, 16, 20, 25, 32, 40, 50, 63A
Rated sensitivity currents (IΔn)30, 100, 300mAResidual current off-time≤ 0.1s
Rated short-circuit capacity (Icn)10kARated residual capacity (IΔm)500A (In≤50A) | 10In (In>50A)
Insulation voltage (Ui)500VRated impulse withstand (Uimp)4kV (1.2/50μs)
Mechanical & Installation Data
Electrical / Mechanical life4,000 Cycles / 10,000 CyclesProtection degreeIP20
Terminal connection (Line Side)Cable / Pin-type / Fork-type busbarMax. tightening torque2.5 N.m
Terminal connection (Load Side)Cable / Pin-typeIncoming methodFrom top
Operating ambient temp.-25°C ~ +55°C (Max 95% humidity)Fire resistance (glow-wire)960±15°C (Enclosure)

RCD Type Classifications

The ETL5-63B provides precise detection tailored for highly complex multi-frequency waveforms.

 rcbo b type ETL5-63B RCD Type

Tripping Sensitivity Applications

Select the precise sensitivity rating (IΔn) to match specific personnel and equipment protection requirements.

Sensitivity Ratings (IΔn)
30mAMost commonly used for personnel protection in homes and commercial buildings, suitable for general socket protection.
100mAUsually used in situations where personal protection is less strict, focusing heavily on equipment protection like air conditioning systems.
300mAMainly used for superior fire protection, acting as general protection for massive distribution boards.

Tripping Characteristics & Frequency Derating

Understand the exact break times for direct and smooth direct currents, alongside thermo-magnetic load curves.

rcbo b type ETL5-63B Tripping Characteristic Curve

Type B RCDs – Break Time for Direct Currents
TypeFault CurrentsTripping Time at:
–Alternating currents1×IΔn2×IΔn5×IΔn500A
Pulsating DC currents1.4×IΔn2×1.4×IΔn5×1.4×IΔn500A
Smooth DC currents2×IΔn2×2×IΔn5×2×IΔn500A
Standard–Max. 0.3sMax. 0.15sMax. 0.04sMax. 0.04s
Type B RCDs – Frequency Current Variances (Non-50/60Hz)
Frequency (Hz)Residual Non-Operating Current (IΔn)Residual Operating Current (IΔn)
1500.5 IΔn2.4 IΔn
4000.5 IΔn6 IΔn
1000IΔn14 IΔn

Thermo-Magnetic Tripping Characteristic

rcbo b type ETL5-63B B, C, and D Curve Tripping Characteristic

Curve TypeRated CurrentThermal Release (Condition)Magnetic Release (Condition)
Non-trip (1.13In)Trip (1.45In)Trip TimeHold CurrentTrip CurrentTrip Time
B (Universal use)6-63A≤ 1h–< 1h3In5In≥0.1s / <0.1s
C (Resistive/Inductive)6-63A≤ 1h–< 1h5In10In≥0.1s / <0.1s
D (High inrush)6-63A≤ 1h–< 1h10In20In≥0.1s / <0.1s

Dimensions and Wiring of the RCBO B Type

Verify the exact modular DIN rail footprints and wiring capacities below to guarantee perfect panel fitment for this RCBO B Type.

Circuit Diagrams (1P+N & 3P+N)

rcbo b type ETL5-63B wiring diagram

Physical & Mounting Specifications

rcbo b type ETL5-63B dimension

Poles ConfigurationWidth (mm)Height (mm)Total Depth (mm)
1P+N53 mm101 mm70.1 mm
3P+N88.5 mm101 mm70.1 mm
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