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EKM8T Thermal Magnetic Adjustable Type MCCB Breaker
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Type Selection Guide
| EKW1 | 2000 | 3P | 400A | F | AC230V | Horizontal wiring | |
| ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | |
| Product code | Frame size | Pole number | Current class | Installation code | Code of control circuit source voltage | Connection mode | |
| Conventional circuit breaker |
2000 3200 6300 |
3P: three-pole 4P: four-pole |
400A 630A 800A 1000A 1250A 1600A 2000A |
2500A 2900A 3200A 3900A 4000A 5000A 6300A |
D: draw out type F: fixed type |
AC230V AC400V DC220V DC110V |
Horizontal wiring Vertical wiring |
Type Selection of Standard Parts and Optional Accessories
| M type | 230V | 230V | 230V | 6 NO 6 NC |
| ↓ | ↓ | ↓ | ↓ | ↓ |
| Model of controller |
Voltage of shunt release |
Voltage of energy releasing electromagnet |
Voltage of electric operating mechanism |
Auxiliary contact |
| AA type 2H type 3B2 type 3H type |
AC230V AC400V DC220V DC110V |
AC230V AC400V DC220V DC110V |
AC230V AC400V DC220V DC110V |
Standard: 6NO6 NC recommended |
| Undervoltage protection | Mechanical interlocking | Opening locking | Dual-power interlocking | Accessories | |
| Undervoltage release Undervoltage instantaneous release Undervoltage time-delay release: D1s D3s D5s |
Horizontal interlocking (Wirerope interlocking) Vertical interlocking (Wirerope interlocking) |
One lock one key Two locks one key Three locks, two keys Five locks three keys |
Intelligent horizontal interlocking |
Doorframe |
|
| AC230V AC400V |
DC220V DC110V |
||||
Note: mark V in if need the corresponding optional accessory
Operating Characteristics
EKW1-2000/3P 400A F AC230V (fixed type 3-pole 400A voltage of control circuit (230V) default horizontal wiring, rated voltage 400V, M type controller, shunt 230V, electric operating mechanism 230V, standard 6 NO 6 NC contacts. Please specify according to the above table if you need other accessories.
Model Guide to Intelligent Controller
| Configuration | Model | |||
| M | 2H | 3B2 | 3H | |
| Protection functions | ● | ● | ● | ● |
| Overload long delay (L) | ● | ● | ● | ● |
| Short-circuit short delay (S) | ● | ● | ● | ● |
| Short-circuit instantaneous (I) | ● | ● | ● | ● |
| Ground fault (G)/alarm | ● | ● | ● | ● |
| Neutral line overcurrent protection (N) | ○ | ● | ● | ● |
| Current unbalance protection | ○ | ● | ● | ● |
| Load monitoring (Load) (1) | □ | ● | □ | ● |
| Making current protection (MCR) (2) | □ | ○ | □ | ● |
| Out-of-limit tripping (HSIOC) | ○ | ○ | ○ | ○ |
| Leakage protection/alarm® (3) | — | □ | □ | □ |
| Required current protection | — | — | — | ● |
| Overvoltage/undervoltage protection | — | ● | ● | ● |
| Voltage unbalance protection | — | ● | ● | ● |
| Reverse power protection | — | — | — | ● |
| Required power protection | — | — | — | ● |
| Over frequency/underfrequency protection | — | — | — | ● |
| Phase-sequence protection | — | ● | ||
| Measurement functions | ||||
| Real-time current value, maximum measured value | ● | ● | ● | ● |
| Required current measurement | — | — | — | ● |
| Current harmonics, waveform measurement | — | — | — | ● |
| Real-time voltage value, maximum measured value | — | ● | ● | ● |
| Voltage harmonics, waveform measurement | — | — | — | ● |
| Power / power factor measurement | — | — | ● | ● |
| Energy measurement | — | — | — | ● |
| Required power measurement | — | — | — | ● |
| Voltage frequency measurement | — | ● | ● | ● |
| Hot melt measurement | — | ● | ● | ● |
| Circuit breaker contact equivalent measurement | — | ● | ● | ● |
| Auxiliary functions | ||||
| Long delay protection curve selection | ○ | ● | ● | ● |
| Fault / alarm log (and query) | ● | ● | ● | ● |
| Test function | ● | ● | ● | ● |
| Self-test and alarm functions | ● | ● | ● | ● |
| Circuit breaker opening/closing (operation) records (3) | — | □ | □ | ● |
| Protection parameter lockout | ● | ● | ● | ● |
| Zone interlocking (ZSI) function (4) | — | — | □ | |
| Communication function | — | ● | □ | ● |
●Standard configuration ○Auxiliary configuration — No configuration
Functions that can be added to the standard configuration with appropriate hardware
Note:
[1]: Need to configure the relay module;
[2]: Need to configure microswitch for detecting opening/closing of circuit breaker;
[3]: Need to configure the leakage transformer (zero-sequence current transformer);
[4]: Need to configure the ZSI circuit module.
| EKW1-2000 | EKW1-3200 | EKW1-6300 | |||
| Frame size rated current Inm (A) | 2000 | 3200 | 6300 | ||
| Pole number | 3,4 | 3,4 | 3,4 | 3 | |
| Rated current In (A) | 400, 630, 800,1000 125016002000 |
2000, 2500 2900, 3200 |
4000, 5000 | 6300 | |
| Rated voltage Ue (V) | 400, 690 | 400,690 | 400, 690 | 400,690 | |
| Insulation voltage Ui (V) | 1000 | 1000 | 1000 | 1000 | |
| Impulse withstand voltage Uimp (V) | 12000 | 12000 | 8000 | 8000 | |
| Power frequency withstand voltage U (V) | AC3500 50HZ | AC3500 50HZ | AC3500 50HZ | AC3500 50HZ | |
| Rated current of N-pole IN (A) | 50%ln | 50%ln | 50%ln,100%ln | 50%ln,100%ln | |
| Ultimate breaking capacity lcu (kA) |
AC400V | 80 | 100 | 120 | 120 |
| AC690V | 50 | 65 | 85 | 85 | |
| Running breaking capacity lcs (kA) |
AC400V | 50 | 80 | 100 | 100 |
| AC690V | 40 | 65 | 75 | 75 | |
| Short-current making capacity lcm (kA) |
AC400V | 176 | 220 | 264 | 264 |
| AC690V | 105 | 143 | 165 | 165 | |
| Short-time withstand current(1s) (RMS) lcw (kA) |
AC400V | 50 | 80 | 100 | 100 |
| AC690V | 40 | 50 | 75 | 75 | |
| Closing time (ms) | 70 (max) | 70 (max) | 70 (max) | 70 (max) | |
| Operating performance |
AC400V | 6500 | 3000 | 500 | 500 |
| AC690V | 3000 | 1500 | 500 | 500 | |
| Maintenance free | 15000 | 10000 | 4000 | 4000 | |
| Maintenance required | 30000 | 20000 | 8000 | 8000 | |
| Connection mode | Horizontal vertical | Horizontal vertical | Horizontal | Horizontal | |
| Overall dim. H(height) ×W(width)×L(thickness) |
Fixed type 3P | 402 x 362 x 323 | 402 x 422 x 323 | — | — |
| Fixed type 4P | 402 x 457 x 323 | 402 x 537 x 323 | — | — | |
| Drawout type 3P | 432 x 375 x 421 | 432 x 435 x 421 | 432 x 813 x 494 | 432 x 928 x 494 | |
| Drawout type 4P | 432 x 470 x 421 | 432 x 550 x 421 | 432 x 928 x 494 | — | |
Outline and installation dimensions of fixed type circuit breaker, see Fig.10, 11
Outline and installation dimensions of drawout type circuit breaker, see Fig.12, 13, 14, 15, 16, 17 and 18
Standard Accessories
| Item | Function | Us |
| Shunt release | Let the circuit breaker disconnect reliably and remotely at circuit voltage (70%-110%) Us | AC230V AC400V DC220V DC110V |
| Closing coil | Let the circuit breaker switch on reliably and remotely in energy storing state at circuit voltage (85%-110%) Us | |
| Motor | Let the operating mechanism store energy at circuit voltage (85%-110%) Us to prepare for closing of circuit breaker. When the operating mechanism is energy stored, the motor will be stopped through microswitch. | |
| Auxiliary switch | Change over the ON and OFF state of circuit breaker, also guarantee short-time power on working and on/off switching of closing coil of shunt release, conventional thermal current 6A, rated control capacity Pe is AC 300VA, DC 60W, standard type 6 NO 6 NC. |
Electric Accessories
| Item | ||||
| Undervoltage release self-suction type |
Rated operating voltage | AC230V 50Hz | AC4000V 50Hz | |
| Operating voltage value | (35%~70%) Ue | |||
| Voltage value ensures closing | (85%~110%) Ue | |||
| Voltage value ensures non closing | ≤35%Ue | |||
| Power loss | 24VA | |||
| Actuation time of release, undervoltage instantaneous release |
Instantaneous | |||
| Undervoltage release self-suction type |
Rated operating voltage Ue | AC230V 50Hz AC400V 50Hz | ||
| Operating voltage value | (35%~70%) Ue | |||
| Voltage value ensures closing | (85%~110%) Ue | |||
| Voltage value ensures non closing | ≤35%Ue | |||
| Power loss | 24VA | |||
| Actuation time of release |
Undervoltage instantaneous release | Instantaneous | ||
| Undervoltage time-delay release | Delay time 1s, 3s, 5s; if the voltage restores to 85% Ue within 1/2 delay time, the circuit breaker will not be disconnected |
|||
| Reference No. | Specification |
| EKW1-2000-30400D | Draw out Type ACB 3P 400A Icu:80KA Ics:50KA |
| EKW1-2000-30630D | Dawoud Type ACB 3P 630A Icu:80KA Ics:50KA |
| EKW1-2000-30800D | Draw out Type ACB 3P 800A Icu:80KA Ics:50KA |
| EKW1-2000-31000D | Draw out Type ACB 3P 1000A Icu:80KA Ics:50KA |
| EKW1-2000-31250D | Draw out Type ACB 3P 1250A Icu:80KA Ics:50KA |
| EKW1-2000-31600D | Draw out Type ACB 3P 1600A Icu:80KA Ics:50KA |
| EKW1-2000-32000D | Draw out Type ACB 3P 2000A Icu:80KA Ics:50KA |
| EKW1-2000-40400D | Draw out Type ACB 4P 400A Icu:80KA Ics:50KA |
| EKW1-2000-40630D | Draw out Type ACB 4P 630A Icu:80KA Ics:50KA |
| EKW1-2000-40800D | Draw out Type ACB 4P 800A Icu:80KA Ics:50KA |
| EKW1-2000-41000D | Draw out Type ACB 4P 1000A Icu:80KA Ics:50KA |
| EKW1-2000-41250D | Draw out Type ACB 4P 1250A Icu:80KA Ics:50KA |
| EKW1-2000-41600D | Draw out Type ACB 4P 1600A Icu:80KA Ics:50KA |
| EKW1-2000-42000D | Draw out Type ACB 4P 2000A Icu:80KA Ics:50KA |
| EKW1-2000-30400F | Fixed Type ACB 3P 400A Icu:80KA Ics:50KA |
| EKW1-2000-30630F | Fixed Type ACB 3P 630A Icu:80KA Ics:50KA |
| EKW1-2000-30800F | Fixed Type ACB 3P 800A Icu:80KA Ics:50KA |
| EKW1-2000-31000F | Fixed Type ACB 3P 1000A Icu:80KA Ics:50KA |
| EKW1-2000-31250F | Fixed Type ACB 3P 1250A Icu:80KA Ics:50KA |
| EKW1-2000-31600F | Fixed Type ACB 3P 1600A Icu:80KA Ics:50KA |
| EKW1-2000-32000F | Fixed Type ACB 3P 2000A Icu:80KA Ics:50KA |
| EKW1-2000-40400F | Fixed Type ACB 4P 400A Icu:80KA Ics:50KA |
| EKW1-2000-40630F | Fixed Type ACB 4P 630A Icu:80KA Ics:50KA |
| EKW1-2000-40800F | Fixed Type ACB 4P 800A Icu:80KA Ics:50KA |
| EKW1-2000-41000F | Fixed Type ACB 4P 1000A Icu:80KA Ics:50KA |
| EKW1-2000-41250F | Fixed Type ACB 4P 1250A Icu:80KA Ics:50KA |
| EKW1-2000-41600F | Fixed Type ACB 4P 1600A Icu:80KA Ics:50KA |
| EKW1-2000-42000F | Fixed Type ACB 4P 2000A Icu:80KA Ics:50KA |
| EKW1-3200-32000D | Draw out Type ACB 3P 2000A Icu:100KA Ics:80KA |
| EKW1-3200-32500D | Draw out Type ACB 3P 2500A Icu:100KA Ics:80KA |
| EKW1-3200-32900D | Draw out Type ACB 3P 2900A Icu:100KA Ics:80KA |
| EKW1-3200-33200D | Draw out Type ACB 3P 3200A Icu:100KA Ics:80KA |
| EKW1-3200-42000D | Draw out Type ACB 4P 2000A Icu:100KA Ics:80KA |
| EKW1-3200-42500D | Draw out Type ACB 4P 2500A Icu:100KA Ics:80KA |
| EKW1-3200-42900D | Draw out Type ACB 4P 2900A Icu:100KA Ics:80KA |
| EKW1-3200-43200D | Draw out Type ACB 4P 3200A Icu:100KA Ics:80KA |
| EKW1-3200-32000-F | Fixed Type ACB 3P 2000A Icu:100KA Ics:80KA |
| EKW1-3200-32500-F | Fixed Type ACB 3P 2500A Icu:100KA Ics:80KA |
| EKW1-3200-32900-F | Fixed Type ACB 3P 2900A Icu:100KA Ics:80KA |
| EKW1-3200-33200-F | Fixed Type ACB 3P 3200A Icu:100KA Ics:80KA |
| EKW1-3200-42000-F | Fixed Type ACB 4P 2000A Icu:100KA Ics:80KA |
| EKW1-3200-42500-F | Fixed Type ACB 4P 2500A Icu:100KA Ics:80KA |
| EKW1-3200-42900-F | Fixed Type ACB 4P 2900A Icu:100KA Ics:80KA |
| EKW1-3200-43200-F | Fixed Type ACB 4P 3200A Icu:100KA Ics:80KA |
| EKW1-4000-34000D | Draw out Type ACB 3P 4000A Icu:100KA Ics:80KA |
| EKW1-4000-44000D | Draw out Type ACB 4P 4000A Icu:100KA Ics:80KA |
| EKW1-4000-34000-F | Fixed Type ACB 3P 4000A Icu:100KA Ics:80KA |
| EKW1-4000-44000-F | Fixed Type ACB 4P 4000A Icu:100KA Ics:80KA |
| EKW1-6300-34000D | Draw out Type ACB 3P 4000A Icu:120KA Ics:100KA |
| EKW1-6300-35000D | Draw out Type ACB 3P 5000A Icu:120KA Ics:100KA |
| EKW1-6300-36300D | Draw out Type ACB 3P 6300A Icu:120KA Ics:100KA |
| EKW1-6300-44000D | Draw out Type ACB 4P 4000A Icu:120KA Ics:100KA |
| EKW1-6300-45000D | Draw out Type ACB 4P 5000A Icu:120KA Ics:100KA |
| EKW1-6300-46300D | Draw out Type ACB 4P 6300A Icu:120KA Ics:100KA |
| EKW1-6300-34000F | Fixed Type ACB 3P 4000A Icu:120KA Ics:100KA |
| EKW1-6300-35000F | Fixed Type ACB 3P 5000A Icu:120KA Ics:100KA |
| EKW1-6300-36300F | Fixed Type ACB 3P 6300A Icu:120KA Ics:100KA |
| EKW1-6300-44000F | Fixed Type ACB 4P 4000A Icu:120KA Ics:100KA |
| EKW1-6300-45000F | Fixed Type ACB 4P 5000A Icu:120KA Ics:100KA |
| EKW1-6300-46300F | Fixed Type ACB 4P 6300A Icu:120KA Ics:100KA |
| EKW1-1600M-30200D | Draw out Type Mini ACB 3P 200A Icu:65KA Ics:50KA |
| EKW1-1600M-30400D | Draw out Type Mini ACB 3P 400A Icu:65KA Ics:50KA |
| EKw1-1600M-30630D | Draw out Type Mini ACB 3P 630A Icu:65KA Ics:50KA |
| EKW1-1600M-30800D | Draw out Type Mini ACB 3P 800A Icu:65KA Ics:50KA |
| EKW1-1600M-31000D | Draw out Type Mini ACB 3P 1000A Icu:65KA Ics:50KA |
| EKW1-1600M-31250D | Draw out Type Mini ACB 3P 1250A Icu:65KA Ics:50KA |
| EKW1-1600M-31600D | Draw out Type Mini ACB 3P 1600A Icu:65KA Ics:50KA |
| EKW1-1600M-40200D | Draw out Type Mini ACB 4P 200A Icu:65KA Ics:50KA |
| EKW1-1600M-40400D | Draw out Type Mini ACB 4P 400A Icu:65KA Ics:50KA |
| EKW1-1600M-40630D | Draw out Type Mini ACB 4P 630A Icu:65KA Ics:50KA |
| EKW1-1600M-40800D | Draw out Type Mini ACB 4P 800A Icu:65KA Ics:50KA |
| EKW1-1600M-41000D | Draw out Type Mini ACB 4P 1000A Icu:65KA Ics:50KA |
| EKW1-1600M-41250D | Draw out Type Mini ACB 4P 1250A Icu:65KA Ics:50KA |
| EKW1-1600M-41600D | Draw out Type Mini ACB 4P 1600A Icu:65KA Ics:50KA |
| EKW1-1600M-30200F | Fixed Type Mini ACB 3P 200A Icu:65KA Ics:50KA |
| EKW1-1600M-30400F | Fixed Type Mini ACB 3P 400A Icu:65KA Ics:50KA |
| EKW1-1600M-30630F | Fixed Type Mini ACB 3P 630A Icu:65KA Ics:50KA |
| EKW1-1600M-30800F | Fixed Type Mini ACB 3P 800A Icu:65KA Ics:50KA |
| EKW1-1600M-31000F | Fixed Type Mini ACB 3P 1000A Icu:65KA Ics:50KA |
| EKW1-1600M-31250F | Fixed Type Mini ACB 3P 1250A Icu:65KA Ics:50KA |
| EKW1-1600M-31600F | Fixed Type Mini ACB 3P 1600A Icu:65KA Ics:50KA |
| EKW1-1600M-40200F | Fixed Type Mini ACB 4P 200A Icu:65KA Ics:50KA |
| EKW1-1600M-40400F | Fixed Type Mini ACB 4P 400A Icu:65KA Ics:50KA |
| EKW1-1600M-40630F | Fixed Type Mini ACB 4P 630A Icu:65KA Ics:50KA |
| EKW1-1600M-40800F | Fixed Type Mini ACB 4P 800A Icu:65KA Ics:50KA |
| EKW1-1600M-41000F | Fixed Type Mini ACB 4P 1000A Icu:65KA Ics:50KA |
| EKW1-1600M-41250F | Fixed Type Mini ACB 4P 1250A Icu:65KA Ics:50KA |
| EKW1-1600M-41600F | Fixed Type Mini ACB 4P 1600A Icu:65KA Ics:50KA |
