Chinese
0086-577-62718777 中文版

EKMS Motor Protection Circuit Breaker

EKMS Motor Protection Circuit Breaker
Technical Data

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 Initial status Time Expected results Ambient temperature
Any 2 phase The other 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/
240V
400/
415V
660/
690V
230/
240V
400/
415V
660/
690V
230/
240V
400/
415V
660/
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)

 

motor circuit breaker,gv2me21,gv2me20