EKL19-40B Type B RCBO, 6-40A Selectable with B & C Tripping Characteristics, Residual & Overcurrent Protection

Standard: IEC 61009-1,IEC 62423

Type: B

Residual current trip unit type: Electronic

Rated current: 6~40A

Rated voltage: 230/240V

Poles: 1P+N, N Pole on left

Tripping curve: B, C

Rated sensitivity: 30mA

Rated short-circuit breaking capacity: 6kA

Ambient air temperature: -25...+55ºC

Connection: Bi-directional

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Product Introduction

EKL19-40B is a single-module Type B Residual Current Breaker with Overcurrent Protection (RCBO) introduced by ETEK Electric. This advanced circuit protection device efficiently handles overcurrent, short circuits, and earth fault leakages, while being specifically designed to detect complex waveforms and DC residual currents. Its compact single-module design makes it ideal for modern electrical installations where space is limited.

This RCBO excels in applications such as EV chargers, solar panels, and heat pumps, where both AC and smooth DC fault detection is essential. The space-saving single-module form factor makes installation easy in compact enclosures, delivering full protection without compromise.

 

Advantages

• Advanced Type B protection for AC and DC residual currents, ideal for EV and solar applications

• Flexible B and C tripping curves for diverse circuit needs

• Wide current range from 6A to 40A, suitable for various load requirements

• Instant fault detection and interruption to minimize risks of electric shock and fire

• High breaking capacity for dependable performance under stress

• Extended mechanical and electrical lifespan for cost-effective reliability

• Simple installation and maintenance, reducing downtime

• Meets international IEC/EN standards for global compliance and peace of mind

Product Parameters

Standard

IEC/EN 61009-1, IEC/EN 62423

Protection

Ground fault, Overcurrent and short circuit

Type of trip

Ground fault: Electronic

Overload and short circuit: Thermo-magnetic

Residual current type

B Type - residual AC, pulsating and smooth DC current, high frequency (≤1kHz)

No. of poles

1P+N (18mm width)

Neutral

Switched, N pole on the left

Insulation voltage (Ui)

500V

Rated voltage (Ue)

230/240V

Rated currents (In)

6,8,10,13,16,20,25,32,40A

Rated sensitivity currents (IΔn)

30mA

Residual current off-time under (IΔn)

≤0.1s

Rated residual making and breaking capacity (IΔm)

500A (In≤50A)

Rated frequency

50/60Hz

Rated short-circuit capacity (Icn)

6kA

Energy limiting class

3

Rated impulse withstand voltage (Uimp) (1.2/50μs)

4kV

Dielectric test voltage

2kV (50/60Hz,1 min.)

Fire resistance (glow-wire test)

960±15°C (Enclosure); 650±10°C (Handle)

Thermal tripping characteristics

1.13In No tripping within an hour;
1.45In Tripping within an hour

Instantaneous tripping characteristics

B: 3In-5In, C: 5In-10In

Electrical life

4,000 Cycles

Mechanical life

10,000 Cycles

Contact position indicator

green OFF/ red ON

Protection degree

IP20

Ambient temperature

-25°C ~ +55°C, Max.95% humidity

Storage temperature

-30°C ~ +70°C

Terminal connection type

Cable/ Pin-type

Max. terminal size for cable

16mm²

Max. tightening torque

2.0N.m

Installation

Mounting on 35mm DIN rail

Incoming method

Bi-directional

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Strategic Vision for a Sustainable Future
Looking ahead, ETEK Electric remains committed to becoming a globally renowned manufacturer in the new energy and electrical protection industry. We continue to focus on:
Developing innovative green energy solutions
Enhancing product safety and reliability
Expanding our sustainable technology portfolio
Supporting global energy transformation
Contributing to a low-carbon future

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