| Customization: | Available |
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| Breaking Capacity: | Low Voltage Circuit Breakers |
| Operation: | Electric Type |
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1 Scope of application
LRPG Series circuit breaker with residual current protection is a high-performance adjustable circuit breaker with triple protection functions of leakage, overload and short circuit. lt is applicable to AC
50/60Hz and rated voltage 230/240V. Places with rated current of 60A and below. lt is mainly used for electric leakage, overload and short circuit protection of lighting, energy meter boxes, distribution lines
and equipment of residential buildings, office buildings and similar buildings, and can also be used for infrequent operation and switching of lines under normal conditions.
2)The product standard
IEC/EN 60947-2
3 Product features
Compact structure, multiple rated current ranges can be selected,which can solve the problem of frequent replacement of circuit breakers due to increasing load.
4. Main technical parameter
4.1
| Type | LRPG |
| Poles | 1P+N |
| Rated Current(A) | 5~15A(5,10,15)A 10~30A(10,15,20,25,30)A 15~45A(15,30,45)A 30~60A(30,40,50,60)A |
| Rated Voltage(V) | 230V/240V |
| Leakage operating current(mA) | 100mA,300mA, 500mA |
| leakage non -operating current(mA) | 50mA, 150mA, 250mA |
| Short-circuit Breaking Capacity Icn (A) | 6000A |
| Rated frequency:(Hz) | 50/60Hz |
| Type: | A, AC |
| Electrical Life(times) | 1500 |
| Mechanical Life(times) | 8500 |
Note: breaking capacity 6000A: rated operation breaking capacity lcs=rated limit breaking Capacity lcu=6000A
4.2
| Reference temperature | Current multiple | Current name | Action time |
+40ºC |
non tripping current | 1.05Ir | ≥1h |
| tripping current | 1.3Ir | <1h |
5.Series model specification and its meaning
LRPG-2P/ LRPG: company model,2P:1P+N, rated current
6 Normal installation and working conditions
a) Working environment of LRPG products is -5°C~40 'C, humidity≤ 95%;
b) The altitude of the installation site shall not exceed 2000m; Note: lf the altitude of the installation site exceeds 2000m, the use of the circuit breaker shall be negotiated with the manufacturer.
c)Special measures shall be taken for occasional condensation due to temperature change;
d)Installation position: no obvious shaking, impact vibration, explosive corrosive gas, rain and snow;
e) Installation conditions: the external magnetic field of the installation site shall not exceed 5 times of the geomagnetic field in any direction;
f) Installation category: ll or ll;
g) Pollution level: 3;
h)Transportation and storage conditions: the product storage and transportation environment shall be dry and ventilated, free from significant impact and vibration, direct sunlight, rain, dust, chemical gas corrosion,etc
M4 screws are recommended to be used as the mounting screws, andthe mounting dimensions are shown in the dimension drawing above.
Table of sectional area of product wire connection
| Rated Current In/A | In<6A | 6A<In≤13A | 13A<In≤20A | 20A<In≤25A | 25A<In≤32A | 32A<In≤50A | 50A<In≤63A |
| Sectional area of conductor mm² | 1 | 1.5 | 2.5 | 4 | 6 | 10 | 16 |
8.Instructions for changing rated current gear
a. The default setting of the circuit breaker at the factory is the maximum current gear;
b. When replacing the rated current gear, please ensure that the circuit breaker is disconnected;
c. By observing the corresponding current indicating window, remove the gear screw at the inlet end with a slotted screwdriver (Fig. Fig.1);
d. Remove the protective cover of the incoming line end (Fig. 2);
e. Remove the middle cover, select the required current gear, and adjust the current gear (Figure 3);
f. Then install the middle cover and protective cover, and screw the gear screw to the corresponding position to ensure that the screw is tightened, otherwise the product will jump early
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