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EKM8L Thermal-magnetic type MCCB with Earth-leakage protection

EKM8L Thermal-magnetic type MCCB with Earth-leakage protection
Technical Data

Product Selection Guide

EKM8L 160 S P 4
Product code Frame size Current class Code of control circuit source voltage Pole number
Residual-current circuit breaker 125, 160, 250, 630, 800
Note:
125 is upgraded type of 63 frame
160 is upgraded type of 100 frame
225 is upgraded type of 250 frame
  S M H P: electric operation
Z: rotary handle
W: direct operation
3: 3-pole
4: 4-pole
125 25/18   -1.4 35/25  
160 25/18   50/35
250 25/18 35/25 50/35
400 35/25 - 65/65
800 -   -   65/65
300 160A 2 A
Release type and internal accessory Rated current (A) Application Code of four-pole product
The first digit represents
release type
2 :has  instantaneous
release only   
3 :complex release
Note:Later two digits are
the code of accessories
(see accessory table)
125:10, 16, 20, 25, 32, 40,50, 63, 80, 100, 125
160:63, 80, 100, 125, 140,160
250:100, 125, 140, 160,180, 200, 225, 250
400:250, 300, 315, 350,400
800:500, 630, 700, 800
1: power distribution
2: motor protection
A: N-pole without protection
cannot close or open
B: N-pole without protection
can close and open
C :N-pole with protection
can close and open
D: N-pole with protection
cannot close or open
Note:Unless otherwise mentioned,
4-pole products will be classified
as CAT. B by default.
L1 Y1 
Rated residual operating current (mA) Rated delay time (if selected) 
Delay fixed type Quick three-gear adjustable Delay fixity Delay three-gear adjustable
L1: 30
L2: 50
L3: 75
L4: 100
L5: 150
L7: 200
L8: 300
L9: 500
L10: 1000
L11: 30, 50, 100
L12: 30, 100, 200
L13: 30, 100, 500
L14: 100, 200, 300
L15: 100, 300, 500
L16: 300, 500, 1000
Y1: 0.1s Y4: 0.4s Y7: 0.7s Y10: 1.0s
Y2: 0.2s Y5: 0.5s Y8: 0.8s Y11: 1.5s
Y3: 0.3s Y6: 0.6s Y9: 0.9s Y12: 2.0s
Y13: 0.45、1、2
Y14: 1、2、3(s)
Q1 D1 Q 2
Accessory voltage Electric operation voltage Installation methods Install wiring
Undervoltage release Shunt release Auxiliary alarm DC1 Electric
Operation
DC3 Electric
Operation
Q: Front-board
H: Back-board
C: Plug-in type
1: No
2: Yes
Q1: AC220V  F1: AC220V J1: AC125V D1: AC220V D5: AC230V
Q2: AC240V F2: AC380V  J2: AC250V  D2: AC230V D6: AC110V
Q3: AC380V  F3: DC110V  J3: DC125V  D3: AC380V D7: DC220
Q4: AC415V F4: DC24V J4: DC24V D4: AC400V D8: DC110
  D9: AC110-240V
  D10: DC100-220V
  Note:
Adaptable voltages for two electric operations. Please refer to the introduction of external accessory.
 

Main Performance Indexes

Frame current (A) 125 160
Model EKM8L-125S EKM8L-125H EKM8L-160S EKM8L-160M EKM8L-160H
Pole number 2, 3, 4 2, 3, 4 3,4
 
Power supply system 3P 3Φ3W, 1Φ2W, 1Φ3W 3Φ3W, 1Φ2W, 1Φ3W
4P 3Φ4W 3Φ4W
Rated current (A) 10, 16, 20, 32, 25, 40, 50,63, 80, 100, 125 63, 80, 100, 125, 140, 160  
Rated voltage (V) AC400V
Rated insulation voltage (V) AC690V
Short-circuit breaking capacity(KA)Icu/Ics AC400V 25/18 35/25 25/18 35/25 50/35
Operating cycle number Electrical life 6000 6000 3000
Mechanical life 9000 9000 7000
Quick type Rated residual operating current 30, 100, 500(adjustable)
Max. actuation time 0.1
Delay type Rated residual operating current 100, 300, 500(adjustable)
Max. actuation time -
Max. actuation time under 21△n (s) 0.45, 1.0, 2.0(adjustable)
Inertia non-actuation time under 21△n (s) 0.1, 0.5, 1.0 -
Outline dim(mm)
a-b-c-ca
2P 50-130-68-90 60-155-68-90
3P 75-130-68-90 90-155-68-90 90-155-88-115
4P 100-130-68-90 120-155-68-90 120-155-88-115
  2P 0.55 0.75 0.75 0.75
3P 0.65 0.85 1.2 1.2
4P 0.8 1.2 1.5 1.5
Electric operating device (MD)
External driving operating handle
Automatic release Thermal electromagnetic type
Frame current (A) 250
Model EKM8L-250S EKM8L-250M EKM8L-250H
Pole number 3, 4
 
Power supply system 3P 3Φ3W, 1Φ2W, 1Φ3W
4P 3Φ4W
Rated current (A) 100, 125, 140, 160, 180, 200, 225, 250
Rated voltage (V) AC400V
Rated insulation voltage (V) AC690V
Leakage indication system Button
Short-circuit breaking capacity(KA)Icu/Ics AC400V 25/18 35/25 50/35
Operating cycle number ON 3000
OFF 7000
Quick type Rated residual operating current 30, 100, 500(adjustable)
Max. actuation time 0.1
Delay type Rated residual operating current 100, 300, 500(adjustable)
Max. actuation time -
Max. actuation time under 21△n (s) 100, 300, 500(adjustable)
Inertia non-actuation time under 21△n (s) 0.1, 0.5, 1.0
Outline dim(mm)
a-b-c-ca
2P -
3P 105-165-68-92 105-165-88-115
4P 140-165-68-92 140-165-88-115
 Weight (kg) 2P - -
3P 2 2.1
4P 2.5 2.6
Electric operating device (MD)
External driving operating handle
Automatic release Thermal electromagnetic type
Frame current (A) 400 800
Model EKM8L-400S EKM8L-400H EKM8L-800H
Pole number 3, 4
 
Power supply system 3P 3Φ3W, 1Φ2W, 1Φ3W
4P 3Φ4W
Rated current (A) 250,315,350,400 500,630,700,800
Rated voltage (V) AC400V
Rated insulation voltage (V) AC690V
Leakage indication system Button
Short-circuit breaking capacity(KA)Icu/Ics AC400V 35/25 65/65 65/65
Operating cycle number ON 2000
OFF 4000
Quick type Rated residual operating current 30, 100, 500(adjustable)
Max. actuation time 0.1
Delay type Rated residual operating current 100, 300, 500(adjustable)
Max. actuation time -
Max. actuation time under 21△n (s) 0.45, 1.0, 2.0(adjustable)
Inertia non-actuation time under 21△n (s) 0.1, 0.5, 1.0
Outline dim(mm)
a-b-c-ca
2P -
3P 140-257-103-155 210-257-103-155
4P 185-257-103-155 280-257-103-155
Weight (kg) 2P - -
3P 6.6 12.5
4P 8.4 17.5
Electric operating device (MD)
External driving operating handle
Automatic release Thermal electromagnetic type

EKM8L Thermal-magnetic type MCCB with Earth-leakage protection