Description of type a rcbo
Function
RB11L-40 series type a rcbo mainly applies to the circuit of AC 50Hz, rated voltage 240V, rated current up to 40A. When electric shock occurs to human, leakage current or voltage in grid exceeds stipulated values, the type a rcbo cuts off the fault power in a very short time to protect the safety of human and electrical equipments, it also owns the functions of overload and short circuit protection. In addition, it can switch on and off non frequently the electrical facilities and lighting circuit while the circuit works well.
Application
Lighting and distribution system for industry and commerce system.
Conforms to standard
IEC/EN 61009-1
Main parameters of type a rcbo（Form 1）
| TYPES | VALUES |
| Rated voltage (Un) | 240V AC |
| Rated current (In) | 6A, 10A, 16A, 20A, 25A, 32A,40A |
| Rated residual operated current (I△n) | 0.03A, 0.1A, 0.3A |
| Rated residual non-tripping current (I△no) | 0.5I△n |
| DC component | AC Type, A Type |
| Poles | 1P+N |
| Instant tipping type | B Type, C Type |
| Rated short circuit breaking capacity (Icn) | 6000A |
| Rated residual making and breaking capacity (I△m) | 500A |
| Breaking time of residual operated current | See Form 2 and 3 |
| Overcurrent protection properties | See Form 4, Diagram 1 and 2 |
| Mechanical and electrical life | See Form 5 |
| Connection wire | See Form 6 |
| Tightening torque | 1.5N.m |
| Nominal temperature ℃ | 30 |
| Operated ambient temperature ℃ | -25℃ to +40℃ |
| Stored ambient temperature ℃ | -25℃ to +70℃ |
| Pollution level | ２ |
| Protection level | IP20 |
| Mounting type | II |
AC type Breaking time（Form 2）
| Breaking time(s) when l equals to the below values | ||||||
| Type | In(A) | 1△n(A) | l△n | 2l△n | 5l△n | 0.25A,5A~200A,
500A |
| AC | 6~40 | 0.03,0.1,0.3 | 0.3 | 0.15 | 0.04 | 0.04 |
Breaking time of type a rcbo （Form 3）
| Type | In(A) | l△(A) | Breaking time(s) when l△ equals to the below values | ||||
| 1.4I△n | 2.8l△n | 7l△n | 0.35A | 350A | |||
| A | 6~40 | 0.03 | 0.3 | 0.15 | 0.04 | 0.04 | |
| 0.1,0.3 | 0.3 | 0.15 | 0.04 | 0.04 | |||
Overcurrent protection properties(nominal temperature 30°C )（Form 4）
| ITEM | TYPE | TEST CURRENT | INITIAL STATUS | TRIPPING OR NON TRIPPING TIME LIMIT | EXPECTED RESULT | REMARKS |
| a | B
C |
1.13In | Cold | t≤1h | Non tripping | |
| b | 1.45In | Test following the previous procedure; Process after test | t<1h | Trip | current increases to stipulated value within 5s | |
| c | 2.55In | Cold | 1s<t<60s(In≤32A)
1s<t<120s(In >32A) |
Trip | ||
| d | B
C |
3In
5In |
Cold | t≤0.1s | Non tripping | Connection of current by opening auxiliary switch |
| e | B
C |
3In
5In |
Cold | t≤0.1s | Trip | Connection of current by opening auxiliary switch |
Diagram 1 and 2
Mechanical and electrical life of type a rcbo（Form 5）
| Category | Time | Operation Time (time/hour) |
| Mechanical life | 10000 | 240 |
| Electrical life | 2000 | 120 |
Connection wire of type a rcbo（Form 6）
| RATED CURRENT IN(A) | SECTION AREA OF COPPER WIRE S (MM2) |
| 6 | 1.0 |
| 10 | 1.5 |
| 16, 20 | 2.5 |
| 25 | 4 |
| 32 | 6 |
Overall and mounting sizes of type a rcbo (mm)
