Shenzhen Greenfair Electronics Co., Limited
| Packaging Details | carton box, plastic blister box |
| core | φ14*22*10 Z11 |
| material | inflammable epoxy resin and case |
| application | electronics energy meter, power transducer and other electric meters. |
| function | working frequency 50-400Hz |
| wire | 2UEW 130℃ copper wire |
| turns | 1000Ts~2500Ts |
| winding | two |
| ROHS | PB free |
| Brand Name | Greenfair |
| Model Number | Current transformer CT07 |
| Certification | CE, UL, ISO14001 |
| Place of Origin | China |
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Product Specification
| Packaging Details | carton box, plastic blister box | core | φ14*22*10 Z11 |
| material | inflammable epoxy resin and case | application | electronics energy meter, power transducer and other electric meters. |
| function | working frequency 50-400Hz | wire | 2UEW 130℃ copper wire |
| turns | 1000Ts~2500Ts | winding | two |
| ROHS | PB free | Brand Name | Greenfair |
| Model Number | Current transformer CT07 | Certification | CE, UL, ISO14001 |
| Place of Origin | China | ||
| High Light | industrial current transformers ，mini current transformer | ||
CT07 series , CT07D 20A/20mA class 0.5 Current transformer for working frequency 50-400Hz , energy meter, power transducer
Features:
1. Good voltage separation ability and insulation property
2. It is applicable for working frequency 50-400Hz
3. With burnt-resistant PBT case and epoxy resin, current transformer can reach insulation resistance of 500VDC ≥100mΩ, electrical strength 4000VAC,1mA 60S.
4. Under the ambient temperature -25℃ ~75℃, CT07 serires are main applied in electronics energy meter, power transducer and other electric meters.
For our current transformers, which are produced by using high permeability permalloy core or good quality laminated silicon steel core, inflammable epoxy resin and case with our high precision toroidal winding machine & current transformer testers, steady quality and reliable safety, are widely applied in electronic energy meter, power transducer, RTU, electronical monitoring meter, power factor compensator, digital meter, motor control, industrial control system, electrical meter equipment, etc.
| DIM(mm)P/N | CT07A | CT07D | CT07E | CT07F |
| DIM | ||||
| A | 23.5 | 26 | 37 | 49 |
| B | 12.5 | 17 | 14 | 20 |
| C | 25 | 29 | 39 | 54 |
| D | 7 +/-0.2 | 9 +/-0.2 | 13 +/-0.2 | 18.5 +/-0.2 |
| E | 15 | 15 | 25 | 29.5 |
| F | 18.5 | 18.5 | 32.5 | 37 |
| G | 10.5 | 15 | 11 | 17.5 |
| H | 1 | 1 | 1 | 1 |
| I | 6 | 6 | 6 | 6 |
| Performance & Specification | ||||||||
| Part No. | Rated primary current (A) | Max primary current (A) | Rated secondary current (mA) | Current ratio | Output voltage (mV) | Accuracy class | Outline | |
| CT07A | 5 | 40 | 2.5 | 2000:1 | 100 | 0.2, 0.5 | CT07A | |
| 10 | 40 | 4 | 2500:1 | 100 | 0.2, 0.5 | |||
| 20 | 40 | 10 | 2000:1 | 100 | 0.1, 0.2, 0.5 | |||
| CT07D | 10 | 60 | 4 | 2500:1 | 100 | 0.1, 0.2, 0.5 | CT07D | |
| 20 | 60 | 10 | 2000:1 | 100 | 0.1, 0.2, 0.5 | |||
| 40 | 60 | 20 | 2000:1 | 100 | 0.1, 0.2, 0.5 | |||
| CT07E | 60 | 120 | 24 | 2500:1 | 100 | 0.2, 0.5 | CT07E | |
| 80 | 120 | 32 | 2500:1 | 100 | 0.2, 0.5 | |||
| 120 | 120 | 48 | 2500:1 | 100 | 0.1, 0.2, 0.5 | |||
| CT07F | 100 | 200 | 40 | 2500:1 | 100 | 0.2, 0.5 | CT07F | |
| 100 | 200 | 50 | 2000:1 | 100 | 0.2, 0.5 | |||
| 200 | 200 | 80 | 2500:1 | 100 | 0.1, 0.2, 0.5 | |||
For example
CT07D 20A/20mA Class 0.5
| ELECTRICAL CHARACTERSTIC: | ||||||
| NO. | ITEM | MEASURED POINT | TECHNICAL DATA | REMARK | ||
| 1 | Normal Primary Current | A--B | 20A | |||
| 2 | Normal Secondary current | 2--1 | 20mA | |||
| 3 | Maximum Primary current | 2V±10% | IN=20A RL=100Ω | |||
| 4 | Turns ratio | |||||
| 5 | Nominal working frequecncy | 50Hz--60Hz | ||||
| 6 | Load Resistance | 10Ω | ||||
| 7 | DC Resistance | 45Ω MAX | 25℃ | |||
| 8 | Accuracy | 0.50% | ||||
| 9 | HI-POT | P-S | AC3000V 60S 1mA | |||
| MATERIAL LIST: | |||||||
| NO. | ITEM | MATERIALS | REMARK | ||||
| 1 | CORE | φ14*22*10 Z11 | |||||
| 2 | CASE | CT07D PBT | E59481(S)/ | ||||
| 3 | WIRE | UEW-2 Ø0.15mm 130℃ | E85640 | ||||
| 4 | EPOXY | 3300A/B / 910A/B | E218090 | ||||
| 5 | PIN | φ1.0*25 | |||||
| 6 | TAPE | 1mil*8mm CT-280 130℃ | E165111 | ||||
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2006
Total Annual:
2000000-4000000
Employee Number:
100~400
Ecer Certification：
Active Member
Greenfair Electronics is one of the key electric enterprises in Shenzhen., professional in design and manufacture High Frequency Transformer, Power Transformer, Inductors, EMI equipment, SMT Magnetic Components, Network and Telecommunication Transformers, Automotive and Telecommunication Application... Greenfair Electronics is one of the key electric enterprises in Shenzhen., professional in design and manufacture High Frequency Transformer, Power Transformer, Inductors, EMI equipment, SMT Magnetic Components, Network and Telecommunication Transformers, Automotive and Telecommunication Application...
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