General
LCM7 moulded case circuit breaker with rated insulation voltage 800v, applied in the power system of Ac50(60)Hz, rated voltage 690V and below, rated current 1250A and below as the transfer not frequently. The circuit breaker has the protection devices of overload, short circuit and under voltage ,it can protect the circuit and power equipment from brokenThe mccb has the features small volume, breaking capacity high, electric arcing short ,anti-vibration, lt is the ideal product for applcation in land and ship.The installationcan be vertical or level and the standard conforms to lEC60947-2 and GB14048 .2.
Technical Parameters
| Type |
|
| LCM7-63 | LCM7-100 | LCM7-225 | LCM7-400 | LCM7-630 | LCM7-800 |
| Poles |
|
| 3 | 4 | 3 | 4 | 3 | 4 | 3 | 4 | 3 | 4 | 3 | 4 |
| Rated current In |
|
| 10,16,20,25, 32,40,50,63 | 10,16,20,25,
32,40,50,63,
80,100 | 100,125,
160,180,
200,225 | 200,250,
315,350,
400 | 400,500,630 | 630,700,800 |
Rated insulation
voltage Ui | V |
| 690 | 800 |
Rated impulse withstand
voltage Uimp | V |
| 6000 | 8000 |
Rated operation
voltage Ue | V |
| 400 | AC400/690 |
| Breaking capacity class |
|
| L | M | L | M | H |
| L | M | H |
| L | M | H |
| L | M | H |
| L | M | H |
|
Limit short-circuit
breaking capacity Icu | kA | 400V | 25 | 50
| 35 | 50 | 85 | 50 | 35 | 50 | 85 | 50 | 50 | 70 | 100 | 50 | 45 | 65 | 100 | 65 | 50 | 70 | 100 | 50 |
| 690V |
|
|
| 20 | 20 | 20 |
| 20 | 20 | 20 |
| 20 | 20 |
|
| 20 | 20 |
|
| 20 | 20 |
|
Working short-circuit
breaking capacity Ics | kA | 400V | 18 | 30
| 26 | 30 | 43 | 30 | 26 | 30 | 43 | 30 | 30 | 40 | 50 | 30 | 34 | 42 | 65 | 42 | 30 | 40 | 50 | 30 |
| 690V |
|
|
| 10 | 10 | 10 |
| 10 | 10 | 10 |
| 10 | 10 |
|
| 10 | 10 |
|
| 10 | 10 |
|
| Arcing distance | mm |
| 50 100
|
| Operation times | t |
| 120 | 120 | 120 | 60 | 60 | 20 |
| 4000 | 3000 | 1500 | 1000 | 1000 | 500 |
| 6000 | 7000
| 6500
| 4000
| 4000 | 2500
|
Yueqing Lovadon Electric Co., Ltd.
