12kv Extended Range Post Type 50/5A Metering Current Transformers

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Quick Details

Product Name:

12kv Extended Range Post Type 50/5A Metering Current Transformers

Model NO.:

LZZW5-17.5

Voltage Transformation Principle:

Electromagnetic Type

Magnetic Circuit Structure:

Single Stage Type

Installation:

Horizontal and Vertical

Insulating Medium:

Epoxy Resin

Winding Form:

Single Layer & Tightly Wound Type

Usage:

Protection, Measurement, Revenue Metering

Operation Condition:

Outdoor

Phase:

Single

Type:

Current Transformer

Application:

Instrument

Color:

Grey

Certification:

ISO9001, Ce, Ctqc

Standard:

ANSI C12.11-2007, IEEE C57.13.6- 2005, IEC

Primary Winding:

Single

Secondary Winding:

Single

Trademark:

Silverstone Electric

Transport Package:

Wooden Case

Specification:

Customized

Origin:

China

HS Code:

8504311000

Product Details

12kV Extended Range Post Type Metering Current Transformers

I. General Description
The current transformer, epoxy resin casting insulation and fully
enclosed support construction, encloses primary & secondary windings
and annular core in the epoxy resin casting body. The product has the
feature of light weight, omni-directional installation, withstanding
nastiness and dampness, the product has recessed slot to reinforce outer
insulation. It is widely used for measuring current, electric energy and
relay protection in the electrical system with the rated frequency or 60Hz
and highest voltage for equipment 15.5kV.

II. Usage term
1.Ambient temperature:-25~40ºC
2. Height above sea level:within 1000m.
3. Installation site:Outdoor

III. Type description

IV. Main technical parameter
1. Rated voltage 15.5kV
2. Rated insulation level 15.5/34/110kV
3. Rated frequence:60Hz
4. Rated secondary current 5A
5. Short time power-frequency withstand voltage between secondary windings and earth 3kV
6. Burden power factor COSΦ=0.9(lagging)
7. Partial discharge level accords with standard requirement.
8. Std.:IEEE C 57.13-2005

V. Other technical parameter

Rated current ratio(A)	Accuracy classes combination	Rated output (VA)	short-time thermal current (kA/1S)	Rated dynamic current ( kA)
10-20/5A	0.15	12.5	1.6	4
20-40/5A	0.15	12.5	3.2	8
50/5A	0.15	12.5	5	12.5
50-100/5A	0.15	12.5	8	20
75-150/5A	0.15	12.5	12	30
100-200/5A	0.15	12.5	16	40
150-300/5A	0.15	12.5	24	60
200-400/5A	0.15	12.5	32	80
300-600/5A	0.15	12.5	48	120

Third Party Inspection Before Shipment

Our Services
EPC Project
Suzhou Silverstone Electric Specialises in Power Transmission, Distribution, Electrical Automation Solutions, Power Quality Solutions, Hydro Power, Solar Power, Thermal Power Generation and Substation EPC Projects. We have wide field experience in Substation EPC projects, we provide Design, Supply, Installing, Testing and Commissioning of Transformer & GIS Substation (from 6kV to 230kV).

Turnkey Solution
With strong support from our hardware and software partners, we are able to be the Mighty Solution Provider for power transmission, distribution, transformation and power quality control.

Equipment Supply
Silverstone Electric is no doubt Your Premium Electric Supplier.

Packaging & Shipping
Seaway Standard; Airway Standard; Land Transportation Standard; Courier Post; Expressway

FAQ
You are welcome for any questions to us, thank you.

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