1P+N Residual Current Circuit Breaker with Overcurrent Protection (RCBO)
The EKL17-40 is an advanced residual current device (RCD) with overcurrent protection (RCBO) developed by ETEK China. This innovative device combines the functions of a residual current device (RCD) and a miniature circuit breaker (MCB) into a single, efficient unit – providing reliable protection against fault currents, overloads, and short circuits.
- Standard: IEC61009-1
 - Type: AC, A
 - Rated current: 6–40 A
 - Rated voltage: 230/240 V~
 - Number of poles: 1-pole
 - Rated residual current (IΔn): 10, 30, 100, 300 mA
 - Rated breaking capacity: 6 kA
 - Trigger characteristics: B, C
 - Ambient temperature: -25…+40 ºC
 - Connection: From below
 - Certificates: CE, CB
 
The EKL17-40 is an advanced residual current device (RCD) with overcurrent protection (RCBO) developed by ETEK China. This innovative device combines the functions of a residual current device (RCD) and a miniature circuit breaker (MCB) into a single, efficient unit – providing reliable protection against fault currents, overloads, and short circuits.
- Standard: IEC61009-1
 - Type: AC, A
 - Rated current: 6–40 A
 - Rated voltage: 230/240 V~
 - Number of poles: 1-pole
 - Rated residual current (IΔn): 10, 30, 100, 300 mA
 - Rated breaking capacity: 6 kA
 - Trigger characteristics: B, C
 - Ambient temperature: -25…+40 ºC
 - Connection: From below
 - Certificates: CE, CB
 
Technical data
Technical Data
| Parameter | Value | 
|---|---|
| Standard | IEC/EN61009-1 | 
| Protection | Ground fault, Overcurrent and short circuit, Over-voltage (selectable) | 
| Type of trip | Ground fault: Electronic Overload and short circuit: Thermo-magnetic  | 
| Type of protection (electric leakage) | AC, A | 
| No. of poles | 1P+N 1 module, N line with disconnected | 
| Rated currents (In) | 6, 10, 16, 20, 25, 32, 40A | 
| Rated sensitivity currents I△n | 10, 30, 100, 300mA | 
| Residual current off-time under I△n | ≤ 0.1s | 
| Rated residual making and breaking capacity (I△m) | 500A (In≤50A) | 
| Rated voltage (Ue) | 230/240V~ | 
| Rated frequency | 50/60Hz | 
| Rated breaking capacity | 6,000A | 
| Energy Limiting Class | 3 | 
| Rated impulse withstand voltage (1.2/50) Uimp | 4,000V | 
| Dielectric test voltage at Ind. Freq. for 1 min | 2kV | 
| Thermal release characteristic | (1.13–1.45) x In | 
| Magnetic release characteristic | B: (3–5) x In, C: (5–10) x In | 
| Electrical life | 4,000 Cycles | 
| Mechanical life | 10,000 Cycles | 
| Contact position indicator | Yes | 
| Protection degree | IP20 | 
| Ambient temperature | -25℃ to +40℃, Max. 95% humidity | 
| Terminal connection type | Cable/Pin-type busbar | 
| Max. terminal size for cable | L(in): 25mm², N/L(out): 16mm² | 
| Max. tightening torque | L(in): 2.5N·m, N/L(out): 2N·m | 
| Installation | Mounting on 35mm DIN rail | 
| Connection | From bottom | 
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