Type B RCBO AC 240V 40A 6kA Leakage Isolation

Engineered for highly advanced low-voltage electrical installations, this Type B RCBO effectively combines overcurrent, short circuit, and earth fault leakage protection within a compact single-module profile. The EKL19-40B series effortlessly detects complex waveforms and DC residual currents up to 1kHz, providing an ideal solution to secure modern renewable energy sectors and electric vehicle charging infrastructure.

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ModelEKL19-40B
AvailabilityIn stock
  • CE & TUV certified
  • Worldwide shipping
  • OEM & ODM support

Product Features of the Type B RCBO

Constructed for demanding commercial environments, this Type B RCBO 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.
  • Compact Single-Module Design: Maximizes DIN rail space efficiency (1P+N) without sacrificing high-end protective capabilities, supporting rated currents up to 40A.
  • Bidirectional Power Capability: Fully supports bidirectional incoming power routing, crucial for 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 prominent red/green mechanical indicating device on the faceplate for instantaneous switching status recognition.

EKL19-40B Configuration & Design Tips

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

type b rcbo Product tips

  1. Neutral Line Interface: Clearly marked N-pole positioned precisely on the left for standard industrial panel integration.
  2. Tripping Characteristics B, C: Faceplate clearly indicates the specific thermal-magnetic curve type (B or C).
  3. Sensitivity to Residual Current B: Distinct marking confirming the specific Type B multi-frequency optimization capabilities (30mA).
  4. Handle Lock Position: Specifically molded slot designed to secure the toggle with a mechanical padlock during vital line maintenance.
  5. Live Line Interface: Distinctly separated phase connections designed for maximum AC electrical isolation.
  6. Short-Circuit Capacity: Distinct 6kA metric marking explicitly pad-printed on the faceplate for exact engineering verification.
  7. Status Window: Clear red/green mechanical contact position indicator for instant fault recognition.
  8. Test Button: Integrated monthly test switch to instantly verify internal electronic tripping integrity.

Commercial Applications for the Type B RCBO

Deploying the EKL19-40B 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 in a compact footprint.
  • Industrial Welding Equipment: Isolates mixed and composite waveform leakage currents generated by heavy-duty variable-frequency machinery.

Technical Specifications for the Type B RCBO

Evaluate the exact electronic and thermo-magnetic parameters below to seamlessly integrate this Type B RCBO into your specialized AC 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 tripGroundfault: Electronic | Overload: Thermo-magnetic
No. of poles1P+N (N pole on the left)Rated frequency50/60Hz
Rated voltage (Ue)230/240V~ ACEnergy limiting class3
Rated currents (In)6, 8, 10, 13, 16, 20, 25, 32, 40A
Rated sensitivity currents (IΔn)30mAResidual current off-time< 0.1s
Rated short-circuit capacity (Icn)6kARated residual capacity (IΔm)500A (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 typeCable / Pin-typeMax. tightening torque2.0 N.m
Operating ambient temp.-25°C ~ +55°CFire resistance (glow-wire)960±15°C (Enclosure)

RCD Type Classifications

The EKL19-40B provides advanced detection capabilities suited for complex AC and DC waveforms.

RCD type b rcbo

Tripping Sensitivity

Tripping Sensitivity

Tripping Characteristics & Frequency Derating

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

type b rcbo tripping 1

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

type b rcbo tripping

Curve TypeRated CurrentThermal Release (30°C ± 5°C)Magnetic Release (Normal Temp)
Non-trip (1.13In)Trip (1.45In)Trip TimeHold CurrentTrip CurrentTrip Time
B (Universal use)6-40A≤ 1h–< 1h3In5In≥0.1s / <0.1s
C (Resistive/Inductive)6-40A≤ 1h–< 1h5In10In≥0.1s / <0.1s

 

Dimensions and Wiring of the Type B RCBO

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

Circuit Diagram (1P+N)

type b rcbo wiring diagram

Physical & Mounting Specifications

type b rcbo dimension

Poles ConfigurationWidth (mm)Height (mm)Total Depth (mm)
1P+N (Single-module)17.9 ± 0.1 mm102.4 ± 0.3 mm71.3 ± 0.2 mm
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