LCM1 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 over load, 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. It is the ideal product for application in land and ship.The installation can be vertical or level and the standard conforms to IEC60947-2 and GB14048.2
Parts code and name Relase method | Instantaneous release | Reset release |
Without parts | 200 | 300 |
Alarm contact | 208 | 308 |
Shunt release | 210 | 310 |
Auxiliary contact | 220 | 320 |
Undervoltage release | 230 | 330 |
Auxiliary contact of shunt release | 240 | 340 |
Secondary auxiliary contact | 250 | 350 |
Auxiliary contact of undervoltage release | 260 | 360 |
Alarm contact of shunt release | 270 | 370 |
Secondary auxiliary contact and alarm contact | 218 | 318 |
Alarm contact of shunt release | 228 | 328 |
Undervoltage release alarm contact | 238 | 338 |
Shunt release auxiliary contact alarm contact | 248 | 348 |
Shunt release undervoltage release alarm contact | 258 | 358 |
Secondary auxiliary contact alarm contact | 268 | 368 |
Auxiliary contact undervoltage release alarm contact | 278 | 378 |
Type | LCM1-63 | LCM1-100 | LCM1-225 | LCM1-400 | LCM1-630 | LCM1-800 | ||||||||||||||||||||||||||
Poles | P | 3 | 4 | 3 | 4 | 3 | 4 | 3 | 4 | 3 | 4 | 3 | 4 | |||||||||||||||||||
Rated current In | A | 10,16,20,25, 32,40,50,63 | 10,16,20,25, 32,40,50,63, 80100 | 100,125, 160,180, 200225 | 200,250, 315,350, 400 | 400,500, 630 | 400,500, 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 | |||||||||||||||||||||||||
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 | |||||||||||||||||||||||||
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 | |||||||||||||||||||||||||||
Power loss | W | 20 | 25 | 33 | 35 | 40 | 40 | 26 | 63 | 55 | 60 | 60 | 40 | 80 | 80 | 40 | 120 | 130 | 150 | 150 | 200 | 125 | 135 | 180 | ||||||||
25 | 30 | 40 | 50 | 50 | 65 | 75 | 75 | 100 | 110 | 180 | 200 | 200 | 170 | 190 | ||||||||||||||||||
Overall dimensions | mm | 135 | 150 | 165 | 257 | 270 | 280 | |||||||||||||||||||||||||
76 | 103 | 92 | 65 | 122 | 107 | 75 | 142 | 140 | 184 | 182 | 240 | 210 | 280 | |||||||||||||||||||
74 | 82 | 82 | 68 | 87 | 87 | 104 | 100 | 108 | 103 | |||||||||||||||||||||||
Install dimensions | mm | 25 | 50 | 30 | 60 | 35 | 70 | 44 | 88 | 58 | 118 | 70 | 140 | |||||||||||||||||||
117 | 117 | 129 | 129 | 129 | 126 | 126 | 126 | 215 | 215 | 200 | 200 | 243 | 243 | |||||||||||||||||||
3.5 | 3.5 | 4.5 | 4.5 | 4.5 | 5.5 | 5.5 | 5.5 | 6.5 | 6.5 | 7 | 7 | 7 | 7 |
LCM1 Moulded Case Circuit Breaker | |
1 | MCCB(fixed type) |
2 | Rear plug-in type |
3 | Rear connection type |
4 | Front plug-in type |
5 | Under-voltage release |
6 | Shunt release |
7 | Alarm contact |
8 | Motor-drive operation mechanism |
9 | Extended manual operation handle |
10 | Mechanical interlock |
11 | Front connection plate |
12 | Rubber isolator |
13 | Short terminal cover |