12kv Series Factory Manufacture High-Voltage Isolating Switch--Yfg38-12D

Model NO.: YFG38-12D


Structure: Three-column Disconnector


Operation: Manual or Electric


Number of Poles: Three Pole


Certification: ISO, CE


Origin: Jiangyin Yunfeng, China




Type: High-voltage


Installation: Indoor High-voltage


Grounding Mode: Grounding


Structure of Operating: Electric


Trademark: YF


Product Overview

YFG38-12kV series indoor AC HV disconnector with obvious safe fracture self-designed and developed by our company according to GB 1985-2004 HV AC Disconnectors and Earthing Switches. Such disconnector has features of small size, simple and reasonable structure, small closing/opening operation force of spring mechanism, reliable performance and conveninet maintenance, ect. Being used with 12kV HV fixed fuse and PT, CT in the cabinet, it is a HV disconnector with advantageous cost performance.











Model Specification





Characteristics;

---small size

---simple and reasonable structure

---small closing/opening operation force of spring mechanism

---reliable performance and convenient maintenance



Main Technical Parameters

Serial No.	Item	Unit	Disconnector
1	Rated voltage	kV	12
2	Rated current	A	630; 1250
3	Rared frequency	Hz	50
4	Rated peak withstand current	kA	63
5	Rated short-time withstand current(4 seconds)	kA	25
6	1 min power-frequency withstand voltage (efective value) to earth,phase-to-phase/ isolating fracture	kV/kV	42/48
7	Full-wave lightning impluse withstand voltage (peak) to earth,phase-to-phase/ isolating fracture	kV/kV	75/85
8	Main loop resistance	μΩ	≤50; ≤35
9	Phase-to-phase center distance	mm	210±3 or 185±3
10	Isolation contact knife switch	mm	≥125
11	Maximum manual operation torque	N.m	≤100

Service Conditions

1.Altitude≤1000m;

2.Ambient temperature-25ºC-+ 40ºC;

3.The daily average of relative humidity shall not be larger than 95% and the monthly average shall not be larger than 90%:

4.The ambient air shall not be subject to the obvious pollution such as corrosive or combustible gas and steam;

5.The site without fire hazards and explosion hazards;

6.The site that the seismic intensity does not exceed degree 8; the gradient shall not exceed 5°



Structural Characteristics of HV Disconnector

The multiple installation modes of the HV disconnector meet the customer's multiple service conditions

A. Installation modes---switch upper wiring front installation, switch lower wiring invert installation, switch wall-mounted installation(equipped with the wll-mounted installation operation mechanism)

B. Operation modes---switch side operation, switch front operation.

Contact us if you need more details on Disconnector. We are ready to answer your questions on packaging, logistics, certification or any Other aspects about Earthing Switch、Breaker. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Indoor HV Isolating Switch