FU-LV30 serial low voltage current transformer is low cost ac current instrument transformer, measuring AC current from 5A to 3000 Amps passing through the center conductor. This model CT has six diameter version (Φ30mm, φ35mm, φ45mm, φ42*10mm, φ50*12mm, φ50*103mm), suite for all kinds of customers application. Low voltage current transformers are intended for supplying measuring instruments and protection circuits of electrical power devices with a maximum operating voltage of 0.72kV and frequency of 50Hz (or 60Hz after prior arrangement with the manufacturer). LV current transformers are supplied with accessories which help to install and secondary terminal cover with possibility of sealing.
All of our GFUVE low voltage current transformers are strictly comply IEC60044-1, IEC61869-2, ANSI/IEEE C57.13, GB1208-2006, GB/T 20840.1-2010, GB/T 20840.2-2014, GB/T 22071.1-2018, IEC/EN61010-2-032, IEC/EN 61010-2-031, IEC60185.
Holding wire diameter: Φ30, φ35, φ45, φ42*10, φ50*12, φ50*103, φ70*137mm; Measurement range of 5A to 3000A AC; Burden from 2.5VA to 20VA; Low phase shift for power measurement; Using high magnetic silicon steel, good linearity and high sensitivity; Isolated plastic case recognized according to UL94-V0; Small-size, compact size, light-weight; Most cost-effective; As a measurement current transformer; Current, electrical energy measurement or relay protection in 50Hz/60Hz A.C. circuits; Rated voltage≤0.72kV; Middle open window area for let-through bus and Metal plate base for CT fixing installation; Fully encapsulated by unsaturated resin casting; Design using for more than 20years; Safe and easy installation to distribution panels; High accuracy 0.2, 0.2S, 0.5, 0.5S, 1; CE, UL/EN 61010-1 certified;
Energy meter current measurement; HEMS(home energy management system); BEMS(building energy management system); Various power monitoring systems; Sub-Metering accurate measurement; Smart grid application features; Three phase balance control; Protection relay; Load center; Energy meter; Power quality meter; Digital fault recorders; Low voltage switch cabinet; In-Factory display In-Home display; Inverters for solar & wind turbine systems; Power measurement device for PLC; Data loggers to analyze building & machinery performance;
Electrical parameters | |
---|---|
Standards | IEC60044-1; IEC61869-2; NTC 2205; ANSI/IEEE C57.13; GB1208-2006; GB/T 20840.1-2010; GB/T 20840.2-2014; GB/T 22071.1-2018; IEC60185; JJG1021; |
Model | FU-LV30; FU-LV35; FU-LV45; FU-LV42; FU-LV50; FU-LV100; FU-LV130; |
Type | Indoor type |
Rated system voltage, kV | 0.38 |
Highest system voltage, kV | <0.72 |
Fault current of system, KA | 25KA / 3Sec |
Accuracy class | 0.2S, 0.2, 0.5S, 0.5, 1 (IEC60044-1/IEC61869-2 standard) |
Rated primary current | 100, 200A, 300A, 400A, 500A, 600A, 800A, 1000A, 1500A, 1600A, 2000A, 2500A, 3000A |
Rated load | 2.5VA-20VA |
Rated frequency | 50Hz or 60Hz |
Rated secondary current | 5A or 1A |
Ratio | 100/5A, 200/5A, 300/5A, 400/5A, 500/5A, 600/5A, 800/5A, 1000/5A, 1500/5A, 1600/5A, 2000/5A, 2500/5A, 3000/5A, 100/1A, 200/1A, 300/1A, 400/1A, 500/1A, 600/1A, 800/1A, 1000/1A, 1500/1A, 1600/1A, 2000/1A,2500/1A, 3000/1A |
Rated short-time thermal current | 100kA, 1S |
Rated continuous thermal current | 120%I1n |
Secondary winding power-frequency voltage | 3kV, 1min |
Instrument security factor | FS≤10 |
Material of insulation | Dry type, epoxy resin |
Insulation class | E |
Mechanical parameters | |
Dimensions (W×D×H) (mm) | φ30 x φ115 x 46; φ35 x φ117 x 47; φ45 x φ119 x 47; φ10*55 x φ125 x 47; φ12*63 x φ135 x 48; φ50*103 x φ150 x 37; φ70*137 x φ215 x 37; |
Jaw cable diameter(mm) | 30, 35, 45, 55*10, 63*12, 103*50, 137*70 |
Weight (g) | 1; 0.8; 0.8; 0.9; 1; 1.6; 2.8; |
Operating conditions | |
Operating temperature | -20°C to +70°C |
Daily average temp | <+40°C |
Storage temperature | -40°C to +70°C |
Environment | Indoors |
Altitude | <3500 meters |
Condition | No existence of severely begrimed, erosive and radioactive gas in the air. Permission of long-term operation under rated current. |
Type | FU-LV30; FU-LV35; FU-LV45; FU-LV42; FU-LV50; FU-LV100; FU-LV130; | |||
---|---|---|---|---|
Purpose | Measuring current transformer | |||
Rated primary current (AMP) | Accuracy class and rated load(VA) | |||
0.2S | 0.2 | 0.5S | 0.5 | |
100 | 2.5 | 2.5 | 2.5 | 2.5 |
150 | 2.5 | 2.5 | 2.5 | 2.5 |
200 | 2.5 | 2.5 | 5 | 5 |
300 | 2.5 | 2.5 | 5 | 5 |
400 | 5 | 5 | 5 | 5 |
500 | 5 | 5 | 7.5 | 7.5 |
600 | 5 | 5 | 7.5 | 10 |
750 | 5 | 5 | 10 | 10 |
800 | 7.5 | 7.5 | 15 | 15 |
1000 | 10 | 10 | 15 | 15 |
1500 | 15 | 15 | 15 | 15 |
1600 | 15 | 15 | 15 | 15 |
2000 | 15 | 15 | 15 | 15 |
2500 | 20 | 20 | 20 | 20 |
3000 | 20 | 20 | 20 | 20 |
Model | Primary rated current | Rated load | Aperture (mm) | Description (mm) | Weight (kg) |
---|---|---|---|---|---|
FU-LV30 | 100-600A | ≤10VA | φ30 | φ30xφ115x46 | 1 |
FU-LV35 | 100-600A | ≤10VA | φ35 | φ35xφ117x47 | 0.8 |
FU-LV45 | 100-1000A | ≤10VA | φ45 | φ45xφ119x47 | 0.8 |
FU-LV42 | 100-1000A | ≤10VA | φ55x10 | φ10*55xφ125x47 | 0.9 |
FU-LV50 | 500-1500A | ≤15VA | φ63x12 | φ12*63xφ135x48 | 1 |
FU-LV100 | 500-2000A | ≤20VA | φ103x50 | φ50*103xφ150x37 | 1.6 |
FU-LV130 | 500-3000A | ≤20VA | φ137x70 | φ70*137xφ215x37 | 2.8 |
Be sure to the type, current ratio, accuracy class, rated load and use of the products when you plan to make a order. Special specifications could be customized. All kinds of different specifications and parameters current transformers can be made according to your needs.