SJKM1L Earth Leakage Circuit Breaker ELCB for Industrial Safety
Type Designation

|
① |
Manufacturer Code |
|
② |
Molded Case Circuit Breaker (MCCB) |
|
③ |
Design Serial Number |
|
④ |
With Residual Current Protection |
|
⑤ |
Frame Size |
|
⑥ |
Breaking Capacity: L (Standard) M (Medium) H (High) |
|
⑦ |
Operation: None (Manual) Z (Rotary Handle) D (Motorized) |
|
⑧ |
Poles: 3(3-Pole),4 (4-Pole) |
|
⑨ |
Trip Type & Accessory Code (See Table 1) |
|
⑩ |
Application Code: None (Distribution) 2 (Motor Protection) |
|
⑪ |
4-Pole Code (A/B/C/D for Neutral), 3-Pole: No Code |
|
⑫ |
Alarm Module: Ⅰ (Alarm + Trip) Ⅱ (Alarm Only) |
Notes:
Frame Size: 1N25 (125A), 2N50 (250A), 4N00 (400A), 6N30 (630A), 8N00 (800A)
product Display
Trip - opening method and accessory code
Main Parameters and Technical Performances
|
Model |
SJKM1LE-125 |
SJKM1LE-250 |
SJKM1LE-400 |
SJKM1LE-630、800 |
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|
Maximum Rated Current of Shell Frame Grade A |
125 |
250 |
400 |
800 |
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|
Rated Current In A |
16 20 25 32 40 50 63 80 100 125 |
125 160180 200225 250 |
250 315 350 400 |
400 500630 700 800 |
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|
Number of Poles |
3 |
4 |
3 |
4 |
3 |
4 |
3 |
4 |
|
|
Rated Insulation Voltage Ui V |
AC800 |
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|
Rated Working Voltage Ue V |
AC400 |
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|
Rated Impulse Withstand Voltage Uimp V |
8000 |
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|
Arc - Quenching Distance mm |
50 |
50 |
100 |
100 |
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|
Breaking Capacity lcu Ics |
L |
M |
L |
M |
L |
M |
L |
M |
|
|
AC400V |
35 50 |
35 50 |
50 65 |
50 65 |
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|
AC400V |
22 35 |
25 35 |
35 42 |
35 42 |
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|
Rated Residual Short - Circuit Making (Breaking) Capacity Icu/4 |
8.75 |
12.5 |
15.75 |
16.25 |
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|
Rated Residual Operating Current I△n (mA) |
Non - delay type |
30/50/100100/300/500 |
30/50/100100/300/500 |
100/300/500 |
300/500/1000 |
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|
Delay type |
100/300/500 |
100/300/500 |
100/300/500 |
300/500/1000 |
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|
Rated Residual Operating Current I△n (mA) |
1/2I△n |
1/2I△n |
1/2l△n |
1/2l△n |
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|
Number of Operating Performances |
Energized |
1500 |
1000 |
1000 |
1000 |
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|
De - energized |
8500 |
7000 |
4000 |
4000 |
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|
Total number of times |
10000 |
8000 |
5000 |
500 |
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|
Operating Time of Residual Current Protection |
2l△n |
2l△n |
5l△n |
10l△n |
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|
Maximum Breaking Time (S) |
Non - delay type |
0.2 |
0.1 |
0.4 |
0.04 |
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|
Delay type |
0.5/1.15/2.15 |
0.35/1/2 |
0.25/0.9/1.9 |
0.25/0.9/1.9 |
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Outline and Installation Dimensions
◆Outline and Installation Dimensions of the Circuit Breaker After Wiring
Circuit breaker rear - panel wiring

Circuit breaker rear - panel wiring
|
Model |
Overall Dimensions (mm) |
Installation Dimensions (mm) |
|||||||||
|
a1 |
b1 |
ΦD |
Φd |
||||||||
|
L1 |
L2 |
L3 |
H1 |
H2 |
3P |
4P |
3P |
4P |
|||
|
SJKM1LE-125 |
162 |
132 |
35 |
53 |
93 |
72 |
102 |
90 |
132 |
22 |
5.5 |
|
SJKM1LE-250 |
173 |
144 |
35 |
55 |
100 |
87 |
122 |
93 |
144 |
24 |
5.5 |
|
SJKM1LE-400 |
267 |
224 |
37 |
48.5 |
108.5 |
124 |
172 |
164 |
224 |
26 |
6.5 |
|
SJKM1LE-630/800 |
295 |
243 |
37 |
62 |
62 |
178 |
248 |
158 |
243 |
48 |
7.0 |
◆ Outline and Installation Dimensions of Plug - in Type Rear - panel Wiring

|
Model |
w |
L |
A |
H1 |
G |
G1 |
a |
b |
Φd |
||
|
3P |
4P |
3P |
4P |
||||||||
|
SJKM1LE-125 |
91 |
125 |
168 |
38 |
50 |
33 |
28 |
60 |
90 |
56 |
6.5 |
|
SJKM1LE-250 |
107 |
145 |
186 |
46 |
50 |
33 |
37 |
70 |
105 |
54 |
6.5 |
|
SJKM1LE-400 |
149 |
200 |
280 |
55 |
60 |
38 |
46 |
60 |
108 |
129 |
8.5 |
|
SJKM1LE-630/800 |
210 |
280 |
305 |
62 |
87 |
60 |
22 |
90 |
162 |
146 |
11 |
◆ Outline and Installation Dimensions of the Circuit Breaker with Front - panel Wiring

Circuit Breaker Front Terminal
|
Model |
pole |
Overall Dimensions (mm) |
Installation Dimensions (mm) |
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|
L1 |
L2 |
L3 |
L4 |
a |
b |
Φd |
||
|
SJKM1LE-125 |
2 |
65 |
151 |
110 |
75 |
129 |
2×Φ4.5 |
|
|
3 |
93 |
151 |
110 |
92 |
30 |
129 |
4×Φ4.5 |
|
|
4 |
123 |
151 |
110 |
92 |
60 |
129 |
6×Φ4.5 |
|
|
SJKM1LE-250 |
2 |
75 |
165 |
110 |
90 |
129 |
2×Φ4.5 |
|
|
3 |
107 |
165 |
110 |
90 |
35 |
126 |
4×Φ4.5 |
|
|
4 |
142 |
165 |
110 |
90 |
70 |
126 |
6×Φ4.5 |
|
|
SJKM1LE-400 |
3 |
154 |
257 |
146 |
106 |
44 |
194 |
4×Φ4.5 |
|
4 |
198 |
257 |
146 |
106 |
94 |
194 |
6×Φ4.5 |
|
|
SJKM1LE-630 SJKM1LE-800 |
3 |
210 |
280 |
155 |
116 |
70 |
243 |
4×Φ7 |
|
4 |
280 |
280 |
155 |
116 |
140 |
243 |
6×Φ7 |
|







Claire
Mr.Fu

Claire











