MCCB circuit breaker WLM6ELY-160A-4300 4P WLM6E Series electronic lsig 160A 4 Poles
Residual Current Circuit Breaker with Liquid Crystal Display (RCCB with LCD Type): Functions and Benefits
Residual Current Circuit Breakers (RCCBs) are essential components in electrical systems, providing protection against electric shock and fire hazards caused by earth faults. The integration of Liquid Crystal Display (LCD) technology into RCCBs has enhanced their functionality and made them more user-friendly. In this article, we will explore the functions and benefits of RCCBs with LCD displays, highlighting their significance in ensuring electrical safety and efficiency.
Functions of RCCB with LCD Display
The integration of LCD displays into RCCBs has introduced a range of advanced functions that enhance their performance and usability. Some of the key functions of RCCBs with LCD displays include:
Main performance index of WLM6LEY series circuit breaker
| WLM6LEY Moulded Case Circuit Breaker | 125 | ||||||||||||
| Rated current (A) of circuit breaker 40℃ | Fix type | 16-20-25-30-32-40-50-60-63-75-80-90-100-125 | |||||||||||
| Lcd type | – | ||||||||||||
| Rated insulation voltage Ui (V) | 1000 | ||||||||||||
| Rated impulse withstand voltage (kV) | 8 | ||||||||||||
| Rated operational voltage Ue(V),AC 50/60Hz | AC230V(2P)/AC400(3P、3P+N、4P) | ||||||||||||
| Breaking capacity code | C | S | M | H | |||||||||
| Number of poles | 2P | ■ | ■ | ■ | ■ | ||||||||
| 3P | ■ | ■ | ■ | ■ | |||||||||
| 4P | ■ | ■ | ■ | ■ | |||||||||
|
Rated ultimate short-circuit breaking capacity Icu (kA) |
AC380/400/415V | 5 | 8 | 25 | 35 | ||||||||
| AC380/400/415V | 3 | 5 | 18 | 35 | |||||||||
|
Rated residual making and breaking capacity I△ m(kA) |
AC220/230/240V | 12.5 | 12.5 | 12.5 | 12.5 | ||||||||
| Limit non-actuating time △ t (ms) | 0.06s/0.2s/0.5s/1s | ||||||||||||
| Leakage alarm non-tripping function | □ | ||||||||||||
| overcurrent tripping type | Themal type | ||||||||||||
| Leakage tripping type | Electronic Type | ||||||||||||
| Residual current type | AC | ||||||||||||
| Standard | IEC/EN 60947-2 | ||||||||||||
| Utilization category | A | ||||||||||||
| Ambient temperature | -40℃ ~+70 ℃ | ||||||||||||
| Safety of insulation | ■ | ||||||||||||
| Arcing distance | 0 | ||||||||||||
|
Mechanical life (CO recycle) |
Maintenance | 15000 | |||||||||||
|
Electrical life (CO recycle) |
AC415V,In | 8000 | |||||||||||
| AC690V,In | 2000 | ||||||||||||
| Release units | |||||||||||||
| Mounting and connection | |||||||||||||
| Fixed | Front connection | ■ | |||||||||||
| Rear connection | ■ | ||||||||||||
| Plug-in | Front connection | ■ | |||||||||||
| Rear connection | ■ | ||||||||||||
| Draw-out | Front connection | – | |||||||||||
| Rear connection | – | ||||||||||||
| DIN rail | Front connection | ■ | |||||||||||
| Dimension | |||||||||||||
|
Dimension (mm) W×H×D |
Width (2P/3P/4P) | 50/75/100 | |||||||||||
| Height | 130 | ||||||||||||
| Depth | 68 | ||||||||||||
| Weight | |||||||||||||
| Distribution protection | 2P | – | |||||||||||
| 3P | 0.913 | ||||||||||||
| 4P | 1.161 | ||||||||||||
| Electronic tripper | Frame rated curr
Inm(A) |
entRated current In(A) |
Setting current of adjustable overload release IR(A) | Tripping characteristic/
time |
|
Overload long-time delay |
125 | 32 | 12-14-16-19-22-24-26-29-32 | 1.05In non tripping time (≥ 2 hours, In>63A;);
1.30 In trip time (<2 hours, In>63A); |
| 63 | 25-28-32-35-41-44-50-57-63 | |||
| 125 | 40-45-50-55-60-70-80-90-100 | |||
|
160 |
32 | 12-14-16-19-22-24-26-29-32 | ||
| 63 | 25-28-32-35-41-44-50-57-63 | |||
| 125 | 40-45-50-55-60-70-80-90-100 | |||
| 160 | 63-75-80-90-100-125-140-150-160 | |||
| 250 | 250 | 100-125-140-150-160-180-200-225-250 | ||
| 400 | 400 | 200-225-250-280-300-320-350-375-400 | ||
| 630 | 630 | 400-440-460-480-500-530-560-600-630 | ||
| 800 | 630 | 400-440-460-480-500-530-560-600-630 | ||
| 800 | 500-550-600-630-660-700-740-780-800 | |||
|
1250 |
630 | 400-440-460-480-500-530-560-600-630 | ||
| 800 | 500-550-600-630-660-700-740-780-800 | |||
| 1000 | 630-680-700-750-800-850-900-950-1000 | |||
| 1250 | 850-900-950-1000-1050-1100-1150-1200-1250 | |||
|
2000 |
1250 | 500-630-700-800-900-1000-1100-1200-1250 | ||
| 1600 | 630-800-900-1000-1100-1250-1400-1500-1600 | |||
| 2000 | 800-1000-1250-1400-1500-1600-1800-1900-2000 | |||
| Action tolerance | ±20% | |||