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Molded Case Circuit Breaker

Intelligent Universal Circuit Breaker

EKA1 Intelligent Universal Circuit Breaker
EKA1 Intelligent Universal Circuit Breaker
EKA1 Intelligent Universal Circuit Breaker
EKA1 Intelligent Universal Circuit Breaker
EKA1 Intelligent Universal Circuit Breaker

Intelligent Universal Air Circuit Breaker ACB

Universal circuit breaker, also known as frame type circuit breaker: A mechanical switchgear that can switch on, carry and break the current under normal circuit conditions, and can also be connected to carry a certain time and breaking current under the specified abnormal circuit conditions.

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Intelligent Universal Air Circuit Breaker ACB

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Porduct Overview
Technical parameters
Download Files
Recommended products
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Porduct Overview

  • An air circuit breaker is a circuit breaker for the purpose of protecting low voltage circuits, mainly for energizing and cutting off high current.
     
  • It is used as the master of a factory and building, and as a main circuit breaker of a ship, and it is possible to attach various accessories according to the purpose.

Technical parameters

Technical Data

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
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
Phase partition
Phase partition strip
AC230V
AC400V		 DC220V
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 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.

 

  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, 690 400,690 400, 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 —

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

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

Product selection form

Reference No. Specification
EKA1-2000-30400D Draw out Type ACB 3P 400A Icu:80KA Ics:50KA
EKA1-2000-30630D Dawoud Type ACB 3P 630A Icu:80KA Ics:50KA
EKA1-2000-30800D Draw out Type ACB 3P 800A Icu:80KA Ics:50KA
EKA1-2000-31000D Draw out Type ACB 3P 1000A Icu:80KA Ics:50KA
EKA1-2000-31250D Draw out Type ACB 3P 1250A Icu:80KA Ics:50KA
EKA1-2000-31600D Draw out Type ACB 3P 1600A Icu:80KA Ics:50KA
EKA1-2000-32000D Draw out Type ACB 3P 2000A Icu:80KA Ics:50KA
EKA1-2000-40400D Draw out Type ACB 4P 400A Icu:80KA Ics:50KA
EKA1-2000-40630D Draw out Type ACB 4P 630A Icu:80KA Ics:50KA
EKA1-2000-40800D Draw out Type ACB 4P 800A Icu:80KA Ics:50KA
EKA1-2000-41000D Draw out Type ACB 4P 1000A Icu:80KA Ics:50KA
EKA1-2000-41250D Draw out Type ACB 4P 1250A Icu:80KA Ics:50KA
EKA1-2000-41600D Draw out Type ACB 4P 1600A Icu:80KA Ics:50KA
EKA1-2000-42000D Draw out Type ACB 4P 2000A Icu:80KA Ics:50KA
EKA1-2000-30400F Fixed Type ACB 3P 400A Icu:80KA Ics:50KA
EKA1-2000-30630F Fixed Type ACB 3P 630A Icu:80KA Ics:50KA
EKA1-2000-30800F Fixed Type ACB 3P 800A Icu:80KA Ics:50KA
EKA1-2000-31000F Fixed Type ACB 3P 1000A Icu:80KA Ics:50KA
EKA1-2000-31250F Fixed Type ACB 3P 1250A Icu:80KA Ics:50KA
EKA1-2000-31600F Fixed Type ACB 3P 1600A Icu:80KA Ics:50KA
EKA1-2000-32000F Fixed Type ACB 3P 2000A Icu:80KA Ics:50KA
EKA1-2000-40400F Fixed Type ACB 4P 400A Icu:80KA Ics:50KA
EKA1-2000-40630F Fixed Type ACB 4P 630A Icu:80KA Ics:50KA
EKA1-2000-40800F Fixed Type ACB 4P 800A Icu:80KA Ics:50KA
EKA1-2000-41000F Fixed Type ACB 4P 1000A Icu:80KA Ics:50KA
EKA1-2000-41250F Fixed Type ACB 4P 1250A Icu:80KA Ics:50KA
EKA1-2000-41600F Fixed Type ACB 4P 1600A Icu:80KA Ics:50KA
EKA1-2000-42000F Fixed Type ACB 4P 2000A Icu:80KA Ics:50KA
EKA1-3200-32000D Draw out Type ACB 3P 2000A Icu:100KA Ics:80KA
EKA1-3200-32500D Draw out Type ACB 3P 2500A Icu:100KA Ics:80KA
EKA1-3200-32900D Draw out Type ACB 3P 2900A Icu:100KA Ics:80KA
EKA1-3200-33200D Draw out Type ACB 3P 3200A Icu:100KA Ics:80KA
EKA1-3200-42000D Draw out Type ACB 4P 2000A Icu:100KA Ics:80KA
EKA1-3200-42500D Draw out Type ACB 4P 2500A Icu:100KA Ics:80KA
EKA1-3200-42900D Draw out Type ACB 4P 2900A Icu:100KA Ics:80KA
EKA1-3200-43200D Draw out Type ACB 4P 3200A Icu:100KA Ics:80KA
EKA1-3200-32000-F Fixed Type ACB 3P 2000A Icu:100KA Ics:80KA
EKA1-3200-32500-F Fixed Type ACB 3P 2500A Icu:100KA Ics:80KA
EKA1-3200-32900-F Fixed Type ACB 3P 2900A Icu:100KA Ics:80KA
EKA1-3200-33200-F Fixed Type ACB 3P 3200A Icu:100KA Ics:80KA
EKA1-3200-42000-F Fixed Type ACB 4P 2000A Icu:100KA Ics:80KA
EKA1-3200-42500-F Fixed Type ACB 4P 2500A Icu:100KA Ics:80KA
EKA1-3200-42900-F Fixed Type ACB 4P 2900A Icu:100KA Ics:80KA
EKA1-3200-43200-F Fixed Type ACB 4P 3200A Icu:100KA Ics:80KA
EKA1-4000-34000D Draw out Type ACB 3P 4000A Icu:100KA Ics:80KA
EKA1-4000-44000D Draw out Type ACB 4P 4000A Icu:100KA Ics:80KA
EKA1-4000-34000-F Fixed Type ACB 3P 4000A Icu:100KA Ics:80KA
EKA1-4000-44000-F Fixed Type ACB 4P 4000A Icu:100KA Ics:80KA
EKA1-6300-34000D Draw out Type ACB 3P 4000A Icu:120KA Ics:100KA
EKA1-6300-35000D Draw out Type ACB 3P 5000A Icu:120KA Ics:100KA
EKA1-6300-36300D Draw out Type ACB 3P 6300A Icu:120KA Ics:100KA
EKA1-6300-44000D Draw out Type ACB 4P 4000A Icu:120KA Ics:100KA
EKA1-6300-45000D Draw out Type ACB 4P 5000A Icu:120KA Ics:100KA
EKA1-6300-46300D Draw out Type ACB 4P 6300A Icu:120KA Ics:100KA
EKA1-6300-34000F Fixed Type ACB 3P 4000A Icu:120KA Ics:100KA
EKA1-6300-35000F Fixed Type ACB 3P 5000A Icu:120KA Ics:100KA
EKA1-6300-36300F Fixed Type ACB 3P 6300A Icu:120KA Ics:100KA
EKA1-6300-44000F Fixed Type ACB 4P 4000A Icu:120KA Ics:100KA
EKA1-6300-45000F Fixed Type ACB 4P 5000A Icu:120KA Ics:100KA
EKA1-6300-46300F Fixed Type ACB 4P 6300A Icu:120KA Ics:100KA
EKA1-1600M-30200D Draw out Type Mini ACB 3P 200A Icu:65KA Ics:50KA
EKA1-1600M-30400D Draw out Type Mini ACB 3P 400A Icu:65KA Ics:50KA
EKA1-1600M-30630D Draw out Type Mini ACB 3P 630A Icu:65KA Ics:50KA
EKA1-1600M-30800D Draw out Type Mini ACB 3P 800A Icu:65KA Ics:50KA
EKA1-1600M-31000D Draw out Type Mini ACB 3P 1000A Icu:65KA Ics:50KA
EKA1-1600M-31250D Draw out Type Mini ACB 3P 1250A Icu:65KA Ics:50KA
EKA1-1600M-31600D Draw out Type Mini ACB 3P 1600A Icu:65KA Ics:50KA
EKA1-1600M-40200D Draw out Type Mini ACB 4P 200A Icu:65KA Ics:50KA
EKA1-1600M-40400D Draw out Type Mini ACB 4P 400A Icu:65KA Ics:50KA
EKA1-1600M-40630D Draw out Type Mini ACB 4P 630A Icu:65KA Ics:50KA
EKA1-1600M-40800D Draw out Type Mini ACB 4P 800A Icu:65KA Ics:50KA
EKA1-1600M-41000D Draw out Type Mini ACB 4P 1000A Icu:65KA Ics:50KA
EKA1-1600M-41250D Draw out Type Mini ACB 4P 1250A Icu:65KA Ics:50KA
EKA1-1600M-41600D Draw out Type Mini ACB 4P 1600A Icu:65KA Ics:50KA
EKA1-1600M-30200F Fixed Type Mini ACB 3P 200A Icu:65KA Ics:50KA
EKA1-1600M-30400F Fixed Type Mini ACB 3P 400A Icu:65KA Ics:50KA
EKA1-1600M-30630F Fixed Type Mini ACB 3P 630A Icu:65KA Ics:50KA
EKA1-1600M-30800F Fixed Type Mini ACB 3P 800A Icu:65KA Ics:50KA
EKA1-1600M-31000F Fixed Type Mini ACB 3P 1000A Icu:65KA Ics:50KA
EKA1-1600M-31250F Fixed Type Mini ACB 3P 1250A Icu:65KA Ics:50KA
EKA1-1600M-31600F Fixed Type Mini ACB 3P 1600A Icu:65KA Ics:50KA
EKA1-1600M-40200F Fixed Type Mini ACB 4P 200A Icu:65KA Ics:50KA
EKA1-1600M-40400F Fixed Type Mini ACB 4P 400A Icu:65KA Ics:50KA
EKA1-1600M-40630F Fixed Type Mini ACB 4P 630A Icu:65KA Ics:50KA
EKA1-1600M-40800F Fixed Type Mini ACB 4P 800A Icu:65KA Ics:50KA
EKA1-1600M-41000F Fixed Type Mini ACB 4P 1000A Icu:65KA Ics:50KA
EKA1-1600M-41250F Fixed Type Mini ACB 4P 1250A Icu:65KA Ics:50KA
EKA1-1600M-41600F Fixed Type Mini ACB 4P 1600A Icu:65KA Ics:50KA

Download Files

Porduct Overview

  • An air circuit breaker is a circuit breaker for the purpose of protecting low voltage circuits, mainly for energizing and cutting off high current.
     
  • It is used as the master of a factory and building, and as a main circuit breaker of a ship, and it is possible to attach various accessories according to the purpose.

Technical parameters

Download Files

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