Etek

RCBO 3P+N Residual Current Circuit Breaker with Overcurrent Protection
Description

EKL37-40: Compact 3P+N RCBO from ETEK Electric

The EKL37-40 from ETEK Electric is a 40 A 3P+N RCBO that offers comprehensive protection in a space-saving enclosure measuring just 54 mm wide. This versatile device combines the functions of a residual current device (RCD) and a miniature circuit breaker (MCB) in a single unit—ideal for protecting three-phase systems with a neutral conductor.

  • Standard: IEC61009-1
  • Type: AC, A
  • Rated current: 6–40 A
  • Rated voltage: 400/415 V~
  • Number of poles: 3P+N, 54 mm width
  • Rated residual current (IΔn): 10, 30, 100, 300 mA
  • Rated breaking capacity: 6 kA, 10 kA
  • Trigger characteristics: B, C
  • Ambient temperature: -25…+40 ºC
  • Connection: From below
Product overview

TheEKL37-40is a compact and versatile 3P+N electronic residual current device with overcurrent protection, designed for optimal performance in commercial and industrial applications. With its space-saving 54 mm width, a breaking capacity of 6/10 kA, and multiple sensitivity levels, this device offers comprehensive protection against short circuits, overloads, and residual currents.

Thanks to the connections withPower supply belowandLoad connection aboveThe EKL37-40 is ideal for installation in distribution boxes.

Features

Space-saving design:Compact solution with 3 module widths for efficient use in three-phase applications.

Easy installation:Connection configuration with feed-in at the bottom and load output at the top for quick and uncomplicated installation in distribution cabinets.

Versatile protection:Combination of residual current, short circuit and overload protection in a single device.

High breaking capacity:10 kA switching capacity – suitable for a wide range of commercial and industrial applications.

Flexible options:Available with different rated currents (6 A to 40 A) and sensitivities (10 mA to 300 mA) for different protection requirements.

Visual status display:CPI (Contact Position Indicator) window for quick detection of the contact status.

Different trigger characteristics:Available with B and C characteristic curves for needs-based protection.

Reliable performance:Developed to strict safety standards for consistent protection.

Areas of application
  1. Commercial buildings and offices
  2. Industrial plants and workshops
  3. Retail environments
  4. educational institutions
  5. healthcare facilities
  6. Residential complexes with three-phase supply

Technical data

Parameter Wert (Deutsch)
NormIEC/EN 61009-1
SchutzfunktionFehlerstrom, Überstrom und Kurzschluss
AuslöseartFehlerstrom: Elektronisch
Überlast und Kurzschluss: Thermomagnetisch
Polzahl3P+N, kompakt, 3 Module (54 mm Breite)
SchutzartAC, A
Nennstrom (In)6, 10, 16, 20, 25, 32, 40A
Bemessungsauslösestrom IΔn10, 30, 100, 300mA
Ausschaltzeit unter IΔn≤0,1s
Bemessungs-Schaltvermögen IΔm500A (In ≤ 50A)
Betriebsspannung (Ue)400/415V~
Nennfrequenz50/60Hz
Kurzschluss-SchaltvermögenEKL37-40: 6kA, EKL37-40H: 10kA
Energiebegrenzungsklasse3
Stoßspannungsfestigkeit (1.2/50) Uimp4.000V
Isolationsprüfspannung 1 min2kV
Thermische Auslösung(1,13–1,45) × In
Magnetische AuslösungB: (3–5) × In, C: (5–10) × In
Elektrische Lebensdauer4.000 Zyklen
Mechanische Lebensdauer10.000 Zyklen
SchaltstellungsanzeigeJa
Schutzart (IP)IP20
Umgebungstemperatur-25℃ bis +40℃, max. 95% Luftfeuchtigkeit
AnschlussartKabel-/Stift-/Gabelschiene
Max. Leiterquerschnitt16mm²
Max. Anzugsmoment2,5 Nm
MontageMontage auf 35 mm DIN-Schiene
AnschlussrichtungVon unten

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