YCB9NL-40 RCBO
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YCB9NL-40 RCBO
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YCB9NL-40 RCBO
A modular DIN rail-mounted safety device designed for residential electrical systems, combining overload, short-circuit, and earth fault protection. Compliant with IEC/EN 61009-1 standards, it features a compact design, flame-retardant housing, and user-friendly functions like monthly test requirements, contact position indicators (red=ON, green=OFF), and a non-slip handle for reliable operation.
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Product Details
General
1.Protection against overload and short-circuit currents
2.Protection against the effects of sinusoidal alternating earth fault currents
3.Protection against indirect contacts and additional protection against direct contacts.
4.Protection against fire hazard caused by insulation faults
5.Used in residential building
6.According to the type of instantaneous release classified as follows:type B(3-5)ln,type C(5-10)ln
Selection
| Type | Test current | Tripping time | Expected result | Type | Test current | Tripping time | Expected result | |
| B,C,D | 1.13In | t≤1h(In≤63A) | Not tripping | B | 3In | t≤0.1s | Not tripping | |
| 1.13In | t≤2h(In>63A) | |||||||
| C | 5In | t≤0.1s | ||||||
| B,C,D | 1.45In | t≤1h(In≤63A) | Tripping | |||||
| 1.45In | t<2h(In>63A) | B | 5In | t<0.1s | Tripping | |||
| B,C,D | 2.25In | 1s<t<60s(In≤32A) | Tripping | |||||
| C | 10ln | t<0.1s | ||||||
| 2.25In | 1s<t<120s(In>32A) | |||||||
Curve
Technical data
| Type | Standard | IEC/EN61009-1 | |
| Electrical features |
Poles | P | 1P+N |
| Type(wave form of the earth leakage sensed) | AC | ||
| Thermal-magnetic release characteristic | B,C,D | ||
| Rated current In | A | 6,10,16,20,25,32,40 | |
| Rated voltage Ue | V | 230 | |
| Rated sensitivity I△n | A | 0.03,0.05,0.1 | |
| Rated residual making and breaking capacity I△m | A | 500(In≤40A)630(In>40A) | |
| Rated short-circuit capacity Icn | A | 6000 | |
| Break time under I△n | S | ≤0.1 | |
| Rated frequency | Hz | 50/60 | |
| Rated impulse withstand voltage(1.2/50)Uimp | V | 4000 | |
| Dielectric test voltage at ind.Freq.for 1min | kV | 2 | |
| Insulation voltage Ui | V | 500 | |
| Pollution degree | 2 | ||
| Mechanical features |
Electrical life | t | 4000 |
| Mechanical life | t | 10000 | |
| Contact position indicator | Yes | ||
| Protection degree | IP20 | ||
| Ambient temperature(with daily average≤35℃) | ℃ | -5~+40 | |
| Storage temperature | ℃ | -25~+70 | |
| Installation | Terminal connection type | Cable/Pin-type busbar | |
| Terminal size top/bottom for cable | mm² | 16 | |
| AWG | 18-5 | ||
| Terminal size top/bottom for busbar | mm² | 10 | |
| AWG | 18-5 | ||
| Tightening torque | N*m | 2 | |
| In-Ibs | 18 | ||
| Mounting | On DIN rail EN60715(35mm)by means of fast clip device | ||
| Connection | From top |
Overall and mounting dimensions (mm)
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