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EKA1 Air Circuit Breaker
Type Selection Guide
EKA1 | 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 | 2500A |
D: drawout type F: fixed type |
AC230V AC400V DC220V DC110V |
Horizontal wiring Vertical wiring |
630A | 2900A | ||||||
800A | 3200A | ||||||
1000A | 3900A | ||||||
1250A | 4000A | ||||||
1600A | 5000A | ||||||
2000A | 6300A |
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 | AC230V | AC230V |
Standard: 6NO6 NC recommended |
AC400V | AC400V | AC400V | ||
DC220V | DC220V | DC220V | ||
DC110V | DC110V | DC110V |
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 Phase partition Phase partition strip |
|
AC230V | DC220V | ||||
AC400V | DC110V |
Note: mark V in □ if need the corresponding optional accessory
Operating Characteristics
EKA1-2000/3P 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 need other accessories.
Model Guide of 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 | — | — | — | ● |
Overfrequency/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.
Main Performance Indexes
EKA1-2000 | EKA1-3200 | EKA1-6300 | |||
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 | 400690 | 400, 690 | 400690 | |
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 | AC400V | 80 | 100 | 120 | 120 |
capacity lcu (kA) | AC690V | 50 | 65 | 85 | 85 |
Running breaking | AC400V | 50 | 80 | 100 | 100 |
capacity lcs (kA) | AC690V | 40 | 65 | 75 | 75 |
Short-current making | AC400V | 176 | 220 | 264 | 264 |
capacity lcm (kA) | AC690V | 105 | 143 | 165 | 165 |
Short-time withstand | AC400V | 50 | 80 | 100 | 100 |
current(1s)(RMS) lcw (kA) | 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 | — |
Overall and Mounting Dimensions
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
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 |
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Changan Group Co.,Ltd
Add:No.288 Wei 17th Road, Yueqing Economic Development Zone, Yueqing, Wenzhou, Zhejiang Province, P.R.China
Tel:+ 0086-577-62763666 62760888
Fax:+0086-577-62774090
Website:https://www.changanelectric.com
Email:sales@changangroup.com.cn
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