China Suppliers of MSQ Series Current Transformer for Power Monitoring - Factory Quality Assurance
Product Overview
A CT uses electromagnetic induction and is made up of two windings: a main winding with a few turns connected in series to a high-current circuit and a secondary winding with numerous turns connected to safety or measurement devices. While the secondary winding, which is typically tuned to 5A or 1A for the majority of industrial applications, receives very little current, the main winding receives a lot. This proportionality, also known as the transformation ratio, protects workers and equipment from dangerous voltages while enabling precise current monitoring.
CTs need enough insulation to maintain a high voltage between windings, linearity to reduce measuring error, and high precision for energy metering. The secondary winding should never be left open circuit while utilizing a CT. This is due to the possibility that an open circuit may create extremely high voltages, which could harm electrical equipment.Finally, current transformers are crucial to the dependability, effectiveness, and safety of contemporary electrical systems because they allow for more exact current monitoring and problem identification.
Technical Parameters
Type |
|
|
c |
|
|
|
|
MSQ-30 |
60 |
36 |
68 |
16 |
60 |
30 |
30 |
MSQ-40 |
75 |
40 |
82 |
16 |
60 |
30 |
40 |
MSQ-60 |
101 |
39 |
110 |
16 |
60 |
30 |
60 |
MSQ-80 |
124 |
40 |
102 |
16 |
60 |
30 |
80 |
MSQ-IOO |
170 |
40 |
120 |
16 |
60 |
30 |
100 |
MSQ-120 |
165 |
50 |
135 |
16 |
60 |
30 |
120 |
Picture |
Type |
Rated current |
Rated Burden (VA) |
Weight(kg) |
|
Class:0. 5 |
Class:1 .0 |
||||
|
MSQ-30 Bar:30x10mm Conductor:F20mm |
30/5A |
5 |
5 |
0.30 |
60/5A | |||||
80/5A | |||||
100/5A | |||||
200/5A | |||||
300/5A | |||||
|
MSQ-40 Bar:40x1 Omm Conductor:F30mm |
1 OO/5A |
2.5 |
2.5 |
0.38 |
200/5A |
5 |
5-10 |
|||
300/5A |
5-10 |
5-10 |
|||
400/5A |
5-10 |
5-10 |
|||
500/5A |
5-10 |
5-10 |
|||
|
MSQ-60 Bar:60x20mm Conductor:F40mm |
300/5A |
5 |
5 |
0 60 |
400/5A |
5-10 |
5-10 |
|||
500/5A |
5-10 |
5-10 |
|||
600/5A |
10-15 |
10-15 |
|||
800/5A |
10-15 |
10-15 |
|||
1000/5A |
15 |
15 |
|||
|
|
MSQ-80 Bar:82x30mm Conductor:F80mm |
750/5A |
15 |
15 |
0.75 |
800/5A |
0 82 |
||||
1000/5A |
0.89 |
||||
1200/5A |
0.99 |
||||
1500/5A |
1 02 |
||||
|
|
MSQ-100 Bar: 105x30mm Conductor:F60mm |
1500/5A |
15 |
15 |
0 80 |
1600/5A |
0 80 |
||||
2000/5A |
0 94 |
||||
2500/5A |
1 1 0 |
||||
3000/5A |
1 1 6 |
||||
|
|
MSQ-120 Bar:125x57mm or 125x1 Omm Conductor:F60mm |
1500/5A |
15 |
15 |
1 00 |
2000/5A |
1.15 |
||||
2500/5A |
1 45 |
||||
3000/5A |
1 60 |
||||
4000/5A |
1.90 |
||||
5000/5A |
2.20 |
||||
Frequently Asked Questions (FAQ)
How does a Current Transformer (CT) function?
A CT functions through electromagnetic induction. It consists of a primary winding with a few turns connected in series to a high-current circuit, and a secondary winding with many turns connected to measurement or safety equipment to monitor current levels safely.
What is the typical current rating for the secondary winding?
For most industrial applications, the secondary winding is typically designed and tuned to output either 5A or 1A, allowing standard safety and measurement devices to process the current safely.
Why must the secondary winding of a CT never be left open circuit?
Leaving the secondary winding open circuit can generate extremely high and hazardous voltages. This can damage connected electrical equipment and present severe safety hazards to workers.
What are the critical performance requirements for a Current Transformer?
CTs require sufficient insulation to handle high voltages between windings, excellent linearity to minimize measurement errors, and high precision for accurate energy metering.
Why are current transformers essential in modern electrical systems?
They are key to system reliability, safety, and efficiency. By providing precise current monitoring, they facilitate accurate problem identification and protect both human operators and equipment from high voltages.













