Earth Leakage Circuit Breaker (ELCB) CHINT NXMLE-250S/4300B 4P 400A
৳ 24,500.00 ৳ 26,800.00
| brand | CHNT Zhengtai |
|---|---|
| model | NXMLE-250S 4300A |
| origin | Mainland China |
| Power supply | Communication |
| voltage | 1000V( does not contain )-1500V( contains ) |
| Rated current | 400A |
| Leakage protector type | 4p |
| Maximum | 4p |
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Circuit breaker Operated Circuit Breaker with over-current protection (Electronic)
General rules for choosing RCBO:
Rated residual operating current In 30 mA: additional protection in the case of direct
contact In 300 mA: preventative fire protection in the case
of ground fault currents
b.Tripping class AC class Tripping is ensured for sinusoidal, alternating currents, whether they be quickly applied or slowly increase.
c.Tripping curve
C curve (5-10 In) protection and control of the circuits against overloads and short-circuits; protection for resistive and inductive loads with low inrush current.
D curve (10-14 In) protection and control of the circuits against overloads and short-circuits; protection for circuits which supply loads with high inrush current at the circuit closing (LV/LV transformers, breakdown lamps).
SPEC:
Standard IEC/EN 60898-1 Electrical features
Type (wave form of the earth leakage sensed) AC Thermo-magnetic release characteristic C, D Rated current In A 63 Rated voltage Ue V 230/400 Rated sensitivity In A 0.03, 0.1, 0.3 Rated residual making and breaking capacity Im A
500
Rated short-circuit capacity lcn A 4,500/6,000 Break time under In s 0.1 Rated frequency Hz 50/60 Rated impulse withstand voltage (1.2/50)Uimp V
4,000
Dielectric TEST voltage at ind. Freq. for 1min kV 2 Insulation voltage Ui 500 Pollution degree 2 Mechanical features
Electrical life 2,000
Mechanical life 2,000 Contact position indicator Yes Protection degree IP20 Ambient temperature (with daily average35C)
C
-5…+40 (Special application please refer to P72 for temperature compensation correction) Storage temperature C -25…+70 Installation
Terminal connection type Cable/U-type busbar/Pin-type busbar Terminal size top/bottom for cable
mm2 25 AWG 18-3 Terminal size top/bottom for busbar
mm2 25 AWG 18-3 Tightening torque
N*m 2 In-Ibs. 18
Mounting On DIN rail EN 60715 (35mm) by means of fast clip device Connection From top Circuit breaker Temperature derating
Temperature -15C -5C 0C 10C 20C 30C 1.00
40C 55C Temperature compensation coefficient 1.19
1.15
1.13
1.06
1.05
0.96
0.89
SKU: n/a
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