RCBO Type B AC 415V 63A 10kA Overcurrent Defense

Name: RCBO Type B AC 415V 63A 10kA ETL3 - ETEK Electri
SKU: ETL3-63B

Engineered specifically for highly advanced low-voltage electrical installations, this RCBO Type B masterfully combines overcurrent, short circuit, and earth fault leakage protection within a highly efficient unified profile. The ETL3-63B series operates flawlessly as a dependable rccb with overload protection, detecting complex waveforms and smooth DC residual currents up to 1kHz, offering an ideal isolation solution for modern renewable energy sectors and commercial electric vehicle charging infrastructure.

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ModelETL3-63B

CategoryRCBO Breakers, Circuit Breakers

AvailabilityIn stock

CE & TUV certified
Worldwide shipping
OEM & ODM support

Product Features of the RCBO Type B

Constructed for demanding commercial environments, this RCBO Type B integrates a highly responsive electronic ground fault trip mechanism alongside reliable thermo-magnetic short-circuit defense.

Comprehensive Leakage Detection: Detects residual AC, pulsating DC, and smooth DC currents up to 1kHz, offering absolute protection against complex multi-frequency faults.
Heavy-Duty Isolation Capacity: Achieves a formidable 10kA rated short-circuit capacity (Icn), effortlessly clearing massive high-inrush fault currents in heavy-duty setups.
Bidirectional Power Capability: Fully supports bidirectional incoming power routing, crucial for complex solar photovoltaic panel configurations and energy storage networks.
Touch-Safe Architecture: Features IP20 finger-protected terminals, securing live parts from hazardous operator contact during routine electrical maintenance.
Immediate Status Verification: Integrates a distinct blue/white residual current trip indicator alongside a red/green mechanical contact window for instant fault recognition.

ETL3-63B Configuration & Design Tips

The ergonomic IP20 DIN-rail mountable shell incorporates precise structural markings to streamline heavy-duty B2B installations and routine safety testing.

rcbo type b ETL3-63B product tips

PIN / Fork Busbar Ready: Specially designed terminal cavities to accept robust busbar connections for parallel panel routing.
Live Line Interface: Distinctly separated phase connections engineered for maximum AC electrical isolation.
EAN-13 Barcodes: Pad-printed directly on the side enclosure for rapid B2B inventory scanning and exact warehousing tracking.
Handle Lock Position: Specifically molded slot designed to secure the toggle with a mechanical padlock during vital line maintenance.
Short-Circuit Capacity: Distinct 10kA metric marking explicitly pad-printed on the faceplate for exact engineering verification.
Neutral Line Interface: Clearly marked N-pole positioned precisely on the right for specific industrial panel integration.
Test Button: Integrated monthly test switch to instantly verify the internal electronic tripping integrity.
Sensitivity to Residual Current B: Distinct marking confirming the specific Type B multi-frequency optimization capabilities (30mA).
Residual Current Trip Indicator: Specialized visual window (White: Normal / Blue: Leakage) to instantly identify earth fault causes.
Contacts Position Window: Clear red/green mechanical contact position indicator for instant operational status recognition.

Commercial Applications for the RCBO Type B

Deploying the ETL3-63B secures vital single-phase distribution nodes, acting as a highly dependable and compact isolation framework for modern commercial infrastructures.

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 bidirectional leakage isolation.
Industrial Welding Equipment: Isolates mixed and composite waveform leakage currents generated by heavy-duty variable-frequency machinery.

Technical Specifications for the RCBO Type B

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

General, Electrical & Mechanical Data

General & Technical Data (IEC/EN 61009-1, IEC/EN 62423)
Electrical & Protection Parameters
Protection	Ground fault, Overcurrent and short circuit	Type of trip	Ground fault: Electronic \| Overload: Thermal-magnetic
No. of poles	1P+N (N pole on the right)	Rated frequency	50/60Hz
Rated voltage (Ue)	230/240V~ AC	Energy limiting class	3
Rated currents (In)	6, 10, 16, 20, 25, 32, 40, 50, 63A
Rated sensitivity currents (IΔn)	30mA	Residual current off-time	≤ 0.1s
Rated short-circuit capacity (Icn)	10kA	Rated residual capacity (IΔm)	500A (In≤50A) \| 10In (In>50A)
Insulation voltage (Ui)	500V	Rated impulse withstand (Uimp)	4kV (1.2/50μs)
Mechanical & Installation Data
Electrical / Mechanical life	4,000 Cycles / 10,000 Cycles	Protection degree	IP20
Terminal connection type	Cable / Pin-type / Fork-type busbar	Max. tightening torque	2.5 N.m
Operating ambient temp.	-25°C ~ +55°C	Fire resistance (glow-wire)	960±15°C (Enclosure)

RCD Type Classifications

The ETL3-63B provides advanced detection capabilities suited for highly complex AC and DC waveforms.

rcbo type b ETL3-63B RCD Type

Tripping Sensitivity

Tripping Characteristics & Frequency Derating

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

rcbo type b ETL3-63B Tripping 1

Type B RCDs – Break Time for Direct Currents
Type	Fault Currents	Tripping Time at:
–	Alternating currents	1×IΔn	2×IΔn	5×IΔn	500A
	Pulsating DC currents	1.4×IΔn	2×1.4×IΔn	5×1.4×IΔn	500A
	Smooth DC currents	2×IΔn	2×2×IΔn	5×2×IΔn	500A
Standard	–	Max. 0.3s	Max. 0.15s	Max. 0.04s	Max. 0.04s

Type B RCDs – Frequency Current Variances (Non-50/60Hz)
Frequency (Hz)	Residual Non-Operating Current (IΔn)	Residual Operating Current (IΔn)
150	0.5 IΔn	2.4 IΔn
400	0.5 IΔn	6 IΔn
1000	IΔn	14 IΔn

Thermo-Magnetic Tripping Characteristic

rcbo type b ETL3-63B tripping 2

Curve Type	Rated Current	Thermal Release (Condition)			Magnetic Release (Condition)
Curve Type	Rated Current	Non-trip (1.13In)	Trip (1.45In)	Trip Time (30°C ± 5°C)	Hold Current	Trip Current	Trip Time (Normal Temp)
B (Universal use)	6-63A	≤ 1h	–	< 1h	3In	5In	≥0.1s / <0.1s
C (Resistive/Inductive)	6-63A	≤ 1h	–	< 1h	5In	10In	≥0.1s / <0.1s