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Description
BH-0.66KV series current transformers are used mainly in indoor, with frequency of 50/60 Hz, and rated voltage below 0.66KV, Conform to international standard IEC61869 and GB 20840-2016.
Applications
1.Current measurement, monitoring and protection for electrical circuit or equipment;
2.Current and power measurement for electric motors, lighting, air compressor, heating and ventilation system,
air-conditioner equipment and auto control system;
3.Current, power and energy monitoring device；
4.Energy or relay protection device.
Technical index
Rated input current | 30A-5000A |
Rated output current | 5A,1A |
Rated voltage | 0.66KV |
Accuracy class | 0.2S, 0.5S, 0.2, 0.5, 1 class; |
Frequency | 50/60 Hz |
Power factor | Cosφ=1.0; |
Dielectric strength | 4.0KV/1mA ，No breakdown for 60S |
Insulation | DC 500V/1000MΩ Min |
CT core | Silicon steel |
Connection | screws |
Operating temperature | -45-+75 ℃ |
Air humidity | ≤ 85%（ at 20℃） |
Regular specification and parameters
Type | Rated ratio | Accuracy class / Rated load (VA) | Rated voltage (KV) | ||||
0.2S | 0.2 | 0.5S | 0.5 | 1 | |||
BH-0.66/20 | 30/5A--100/5A | 2.5 | 2.5 | 2.5 | 2.5 | 5 | 0.66 |
BH-0.66/30 | 30/5A--300/5A | 2.5-5 | 5 | 5 | 5 | 5 | 0.66 |
BH-0.66/40 | 100/5A-600/5A | 2.5-5 | 2.5-5 | 2.5-5 | 5 | 5 | 0.66 |
BH-0.66/50 | 300/5A--800/5A | 5-10 | 5-10 | 5-10 | 5-10 | 5-10 | 0.66 |
BH-0.66/60 | 300/5A--1500/5A | 5-10 | 5-10 | 5-10 | 5-10 | 5-10 | 0.66 |
BH-0.66/80 | 300/5A--2000/5A | 5-10 | 5-10 | 5-10 | 5-10 | 10 | 0.66 |
BH-0.66/100 | 400/5A--3000/5A | 5-10 | 5-10 | 5-10 | 5-10 | 10-15 | 0.66 |
BH-0.66/120 | 2000/5A--5000/5A | 10-20 | 10-20 | 10-20 | 10-20 | 10-25 | 0.66 |
Outline dimensions
Installation methods
Description
BH-0.66KV series current transformers are used mainly in indoor, with frequency of 50/60 Hz, and rated voltage below 0.66KV, Conform to international standard IEC61869 and GB 20840-2016.
Applications
1.Current measurement, monitoring and protection for electrical circuit or equipment;
2.Current and power measurement for electric motors, lighting, air compressor, heating and ventilation system,
air-conditioner equipment and auto control system;
3.Current, power and energy monitoring device；
4.Energy or relay protection device.
Technical index
Rated input current | 30A-5000A |
Rated output current | 5A,1A |
Rated voltage | 0.66KV |
Accuracy class | 0.2S, 0.5S, 0.2, 0.5, 1 class; |
Frequency | 50/60 Hz |
Power factor | Cosφ=1.0; |
Dielectric strength | 4.0KV/1mA ，No breakdown for 60S |
Insulation | DC 500V/1000MΩ Min |
CT core | Silicon steel |
Connection | screws |
Operating temperature | -45-+75 ℃ |
Air humidity | ≤ 85%（ at 20℃） |
Regular specification and parameters
Type | Rated ratio | Accuracy class / Rated load (VA) | Rated voltage (KV) | ||||
0.2S | 0.2 | 0.5S | 0.5 | 1 | |||
BH-0.66/20 | 30/5A--100/5A | 2.5 | 2.5 | 2.5 | 2.5 | 5 | 0.66 |
BH-0.66/30 | 30/5A--300/5A | 2.5-5 | 5 | 5 | 5 | 5 | 0.66 |
BH-0.66/40 | 100/5A-600/5A | 2.5-5 | 2.5-5 | 2.5-5 | 5 | 5 | 0.66 |
BH-0.66/50 | 300/5A--800/5A | 5-10 | 5-10 | 5-10 | 5-10 | 5-10 | 0.66 |
BH-0.66/60 | 300/5A--1500/5A | 5-10 | 5-10 | 5-10 | 5-10 | 5-10 | 0.66 |
BH-0.66/80 | 300/5A--2000/5A | 5-10 | 5-10 | 5-10 | 5-10 | 10 | 0.66 |
BH-0.66/100 | 400/5A--3000/5A | 5-10 | 5-10 | 5-10 | 5-10 | 10-15 | 0.66 |
BH-0.66/120 | 2000/5A--5000/5A | 10-20 | 10-20 | 10-20 | 10-20 | 10-25 | 0.66 |
Outline dimensions
Installation methods
