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EKMS2 Motor Protection Circuit Breaker
Description
| Electric value | AC690V, 32A, 80A |
| Standard | IEC/EN 60947-2, IEC60947-4-1 |
Type Designation
Operating Condition
| Temperature: | -5℃~+40℃, average temperature in 24 hours not exceed +35℃ |
| Altitude | not exceed 2000m |
| Air conditions |
At mounting site, relative humidity not exceed 50% at the max temperature of +40℃, higher relative humidity is allowable under lower temperature, for example, RH could be 90% at +20℃ |
| Release grade | Grade Ⅲ |
| Eelease grade | 10A(EKMS2-32) 10A(EKMS2-80) |
| Rated operational system | Continuous operational system |
| Mounting conditions | The inclination between the mounting plane and the vertical plane shall not exceed 5° |
| The product shall be installed and operated at a place without obvious shake, Impact and vibration |
Protection Property
Over-load Protection Properties
| Series No. | Multiple of setting current | Initial status | Time | Expected results | Ambient temperature | |
| 1 | 1.05 | Cold status | t≥2h | Non-tripping | +20℃±2℃ | |
| 2 | 1.2 | Heat status (right after test.1) | t＜2min | Tripping | +20℃±2℃ | |
| 3 | 1.5 | Heat status (right after test.1) | Tripping class | 10A t＜2min | Tripping | +20℃±2℃ |
| 10 t＜4min | ||||||
| 4 | 7.2 | Cold status | Tripping class | 10A 2s＜t≤10s | Tripping | +20℃±2℃ |
| 10 4s＜t≤10s | ||||||
Phase failure protection properties
| Series No. | Multiple of setting current | The other phase | Initial status | Time | Expected results | Ambient temperature |
| Any 2 phase | ||||||
| 1 | 1 | 0.9 | Cold status | t≥2h | Non-tripping | +20℃±2℃ |
| 2 | 1.15 | 0 | Heat status (right after test.1) | t＜2h | Tripping | +20℃±2℃ |
Temperature compensation properties
| Series No. | Multiple of setting current | Initial status | Time | Expected results | Ambient temperature |
| 1 | 1 | Cold status | t≥2h | Non-tripping | +40℃±2℃ |
| 2 | 1.2 | Heat status (right after test.1) | t＜2min | Tripping | +40℃±2℃ |
| 3 | 1.05 | Cold status | t≥2h | Non-tripping | -5℃±2℃ |
| 4 | 1.3 | Heat status (right after test.1) | t＜2min | Tripping | -5℃±2℃ |
| Model of overload relay | Code |
Rated current (A) |
Rated ultimate short -circuit breaking capacity lcu(kA) |
Rated service short- circuit breaking capacity lcs(kA) |
Standard rated power of three- phase motor (kW) |
||||||
| 230/ | 400/ | 660/ | 230/ | 400/ | 660/ | 230/ | 400/ | 660/ | |||
| 240V | 415V | 690V | 240V | 415V | 690V | 240V | 415V | 690V | |||
| EKMS2-32 | 3201 | 0.1~0.16 | 100 | 100 | 100 | 100 | 100 | 100 | - | - | - |
| 3202 | 0.16~0.25 | 100 | 100 | 100 | 100 | 100 | 100 | - | - | - | |
| 3203 | 0.25~0.4 | 100 | 100 | 100 | 100 | 100 | 100 | - | - | - | |
| 3204 | 0.4~0.63 | 100 | 100 | 100 | 100 | 100 | 100 | - | - | 0.37 | |
| 3205 | 0.63~1 | 100 | 100 | 100 | 100 | 100 | 100 | - | - | 0.55 | |
| 3206 | 1~1.6 | 100 | 100 | 100 | 100 | 100 | 100 | - | - | 1.1 | |
| 3207 | 1.6~2.5 | 100 | 100 | 3 | 100 | 100 | 2.25 | 0.37 | 0.75 | 1.5 | |
| 3208 | 2.5~4 | 100 | 100 | 3 | 100 | 100 | 2.25 | 0.75 | 1.5 | 3 | |
| 3210 | 4~6.3 | 100 | 100 | 3 | 100 | 100 | 2.25 | 1.1 | 2.2 | 4 | |
| 3214 | 6~10 | 100 | 100 | 3 | 100 | 100 | 2.25 | 2.2 | 4 | 7.5 | |
| 3216 | 9~14 | 100 | 15 | 3 | 100 | 7.5 | 2.25 | 3 | 5.5 | 9 | |
| 3220 | 13~18 | 100 | 15 | 3 | 100 | 7.5 | 2.25 | 4 | 9 | 11 | |
| 3221 | 17~23 | 50 | 15 | 3 | 50 | 6 | 2.25 | 5.5 | 11 | 15 | |
| 3222 | 20~25 | 50 | 15 | 3 | 50 | 6 | 2.25 | 5.5 | 11 | 18.5 | |
| 3232 | 24~32 | 50 | 15 | 3 | 50 | 6 | 2.25 | 7.5 | 12.5 | 22 | |
| EKMS2-80 | 8025 | 16~25 | - | 15 | - | - | 7.5 | - | 5.5 | 11 | - |
| 8040 | 25~40 | - | 15 | - | - | 7.5 | - | 11 | 22 | - | |
| 8063 | 40~63 | - | 15 | - | - | 7.5 | - | 15 | 33 | - | |
| 8080 | 56~80 | - | 15 | - | - | 7.5 | - | 22 | 45 | - | |
Accessories
Under-Voltage Release
 |
Rated insulation voltage Ui(V) | Voltage range of operation | Model | Specification |
| 690 | 35%~70%Ue | EKMS2-UV110 | 110~115V 50Hz | |
| 690 | 35%~70%Ue | EKMS2-UV127 | 127V 60Hz | |
| 690 | 35%~70%Ue | EKMS2-UV220 | 220~240V 50Hz | |
| 690 | 35%~70%Ue | EKMS2-UV380 | 380~400V 50Hz | |
| 690 | 35%~70%Ue | EKMS2-UV440 | 440V 60Hz |
Shunt Release
 |
Rated insulation voltage Ui(V) | Voltage range of operation | Model | Specification |
| 690 | 70%~110%Ue | EKMS2-SH110 | 110~115V 50Hz | |
| 690 | 70%~110%Ue | EKMS2-SH127 | 127V 60Hz | |
| 690 | 70%~110%Ue | EKMS2-SH220 | 220~240V 50Hz | |
| 690 | 70%~110%Ue | EKMS2-SH380 | 380~400V 50Hz | |
| 690 | 70%~110%Ue | EKMS2-SH440 | 440V 60Hz |
Instantaneous auxiliary contact
 |
Rated insulation voltage Ui(V) | Conventional heating current Ith(A) | Model | Configuration |
| 250 | 2.5 | EKMS2-AE20 | 2N/O | |
| 250 | 2.5 | EKMS2-AE11 | 1N/O+1N/C |
EKMS2-AN20, EKMS2-AN11,EKMS2-AU20, EKMS2-AU11
 |
Rated insulation voltage Ui(V) | Conventional heating current Ith(A) | Model | Configuration | Starter matched |
| 690 | 6 | EKMS2-AN20 | 2N/O | EKMS2-32 | |
| 690 | 6 | EKMS2-AN11 | 1N/O+1N/C | ||
| 690 | 6 | EKMS2-AU20 | 2N/O | EKMS2-80 | |
| 690 | 6 | EKMS2-AU11 | 1N/O+1N/C |
Fault signal contact and instantaneous auxiliary contact
 |
Rated insulation voltage Ui(V) | Conventional heating current Ith(A) | Model | Configuration | |
| Instantaneous auxiliary contact | Fault signal contact | ||||
| 690 | 6 | 2.5 | EKMS2-FA0110 | 1N/C+1N/O | |
| 690 | 6 | 2.5 | EKMS2-FA0101 | 1N/C+1N/C | |
| 690 | 6 | 2.5 | EKMS2-FA1010 | 1N/O+1N/O | |
| 690 | 6 | 2.5 | EKMS2-FA1001 | 1N/O+1N/C |
Application class, rated operational voltage and tated operational current of instantaneous auxiliary contact
| Utilization category | AC-15 | DC-13 | |||||
| Rated operational voltage Ue(V) | 24 | 48 | 110/127 | 230/240 | 24 | 48 | 60 |
| Rated operational current Ie(A) | 2 | 1.25 | 1 | 0.5 | 1 | 0.3 | 0.15 |
| Normal operational power P(W) | 48 | 60 | 127 | 120 | 24 | 15 | 9 |
 |
EKMS2-MC Installation box without pushbutton | IP55 |
Overall and Mounting Dimension(mm)
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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