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1. Application |
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MQ5 Series automatic transfer switch (transfer switch) is developed successfully with the help of the most advanced ATS technology in the world. This kind of transfer switch and intelligent display mated with it are mainly applied in the occasions required uninterrupted power supply like building, posts and telecommunications, mine industry, shipping and military industry. Under the necessary trend of urban power service increasing, it can meet the higher requirements of the reliable power service. This product has many features like reliable performance, small volume and simple operating etc. |
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2. Main function
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With safe and reliable interlocking function, when the breaker is under closing state, the breaker cannot be glugged in or drawn out, you must open the breaker first to plug in or pull out. With function of reliable making and breaking main circuit and secondary circuit, besides, the device possesses self-locking function. When you draw out the breaker, the device has safe insulating isolation (your finger will not touch with the charged parts). The breaker can be mounted with various rotating manual operating mechanism and motor operating mechanism. |
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3. Specification |
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| Type |
MQ5 |
Type MQ5(Three-step type) |
MQ5-100 |
MQ5-250 |
MQ5-400 |
MQ5-630 |
MQ5-800 |
Rated voltage |
AC690V DC125V |
Rated current |
100A |
250A |
400A |
630A |
800A |
Number of cutting in |
Double cut-in |
Connecting * mode |
In front of panel and at back of panel (Non standard * product) |
Operating current |
DC110V (A) |
3 |
3 |
4 |
3 |
4 |
5 |
5 |
5 |
7 |
6 |
6 |
6 |
AC100V/110V (A) |
3 |
3 |
4 |
3 |
4 |
5 |
5 |
5 |
7 |
6 |
6 |
6 |
AC200V/220V (A) |
1.5 |
1.5 |
2 |
1.5 |
2 |
2.5 |
2.5 |
2.5 |
3.5 |
3 |
3 |
3 |
Trip current |
DC110V |
1A |
1.5A |
2A |
AC100V/110V |
1A |
1.5A |
2A |
AC200V/220V |
0.5A |
0.7A |
1A |
Performance |
Short-time withstanding current |
5kA |
10kA |
12kA |
15kA |
Rated conditional short-circuit current |
12.5kA |
25kA |
30kA |
37.5kA |
Making and breaking capacity |
AC-33B(10Ie making 8Ie opening ) cosØ=0.35 DC-33B 1.1Ie making 1.1Ie opening L/R=1ms |
Changeover time |
A power side |
Cut in |
55ms |
55ms |
60ms |
100ms |
Cut off |
20ms |
20ms |
25ms |
30ms |
B power side |
Cut in |
80ms |
80ms |
90ms |
135ms |
Cut off |
20ms |
20ms |
25ms |
30ms |
Service life |
With 2500 times of electric life with 10000 times(120 times/hour) of mechanical life |
Operation circle time |
120 time/hour |
Auxiliary switch |
A source 1C B source 1C switch capacity AC100V5A AC200V2.5A DC100V0.5A |
Accessory |
Protective cover break though absorber manual handle |
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| Type |
MQ5 |
Tyep MQ5 (Three-step type) |
MQ5-1000 |
MQ5-1250 |
MQ5-1600 |
MQ5-2000 |
MQ5-3150 |
MQ5-4000 |
Rated voltage |
AC690V DC125V |
AC690V |
Rated current |
1000A |
1250A |
1600A |
2000A |
3150A |
4000A |
Number of cutting in |
Double cut-in |
Connecting * mode |
At the back of panel in the front of panel |
At the back of panel |
Number of pole |
2P |
3P |
4P |
2P |
3P |
4P |
2P |
3P |
4P |
2P |
3P |
4P |
2P |
3P |
4P |
3P |
Weight(kg) |
30(40) |
39(54) |
49(64) |
31(45) |
40(56) |
51(66) |
36(50) |
47(62) |
59(74) |
95 |
115 |
135 |
110 |
150 |
190 |
207 |
Operating current |
DC110V (A) |
6 |
6 |
8 |
6 |
6 |
8 |
7 |
8 |
9 |
8 |
10 |
12 |
10 |
12 |
14 |
16 |
AC100V/110V (A) |
6 |
6 |
8 |
6 |
6 |
8 |
7 |
8 |
9 |
8 |
10 |
12 |
10 |
12 |
14 |
16 |
AC200V/220V (A) |
3 |
3 |
4 |
3 |
3 |
4 |
3.5 |
4 |
4.5 |
4 |
5 |
6 |
7 |
8 |
7 |
8 |
Trip current |
DC110V |
2A |
4A |
AC100V/110V |
2A |
4A |
AC200V/220V |
1A |
1A |
Performance |
Short-time withstanding current |
22kA |
25kA |
35kA |
50kA |
50kA |
Rated conditional short-circuit current |
50kA |
55kA |
55kA |
80kA |
100kA |
Making and breaking capacity |
AC-33B(10Ie making 8Ie opening) cosØ=0.35 DC-33B 1.1Ie making 1.1Ie openingL/R=1ms |
AC2(Ie making Ie opening) cosØ=0.65 |
Changeover time |
A power side |
Cut in |
115ms |
115ms |
180ms |
140ms |
200ms(190) |
Cut off |
25ms |
25ms |
25ms |
30ms |
30ms(30) |
B power side |
Cut in |
145ms |
150ms |
220ms |
190ms |
220ms(240) |
Cut off |
25ms |
25ms |
25ms |
30ms |
30ms(30) |
Service life |
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Operation circle time |
120 times/hour |
30 times/hour |
Auxiliary switch |
A source 1C B source 1C switch capacity AC100V5A AC200V2.5A DC100V0.5A |
Accessory |
Protective cover breakthough absorber manual handle |
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