Indoor Type High Voltage Vacuum Load Switch with Spring Operation Mechanism-Yfr16b

Model NO.: YFR16B-12D/T125-31.5J


Usage: Ring Net Switchgear&Box-Type Substation


Number of Switch: Multi Control Switch


Environment: Indoor High Voltage


Application: Disconnect Load/Overload/Short-Circuit Current


Origin: Jiangyin Yunfeng, China




Function: Industry


Pole: 3


Certification: SGS, ISO9001, CE


Test Equipment: IEC Standard


Trademark: YF


Product Overview

YF16B(YFZN16B)-12 series indoor AC HV Vacuum Load Switch and load switch-fuse combination unit("series vacuum load switch")is the product researched and developed independently by our company. Its performance meets the requirements of national standards GB 3804-2004 High-voltage alternating-current switches for rated voltage above 3.6kV and less than 40.5kV and GB 16926-2009 High-voltage alternating current switch-fuse combinations and international standard IEC 420.It has advantages of small volume, safe and reliable breaking, long electrical endurance,availability for frequent operation,breaking transfer current,large short-circuit current,obvious isolating fracture, manual and electric functions,availability for achieving the remote control and conformity to the requirements of smart power grid,ect. The product includes the CTE2 two-level drive spring operation mechanism self-developed and awarded with several national invention patents.



Model Specification







Characteristics:

---small volume,safe &reliable breaking

---long electrical endurance

---availability for frequent operation

---large breaking transfer short-circuit current

---manual and electric functions

---obvious isloating fracture and possibility to realize the remote control



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°







Main Technical Paramenters

Serial No.	Item	Unit	YFR16B-12 Load Switch-Fuse Combination Unit
1	Rated voltage	kV	12
2	Rated frequency	Hz	50
3	Rated current	A	Max.rated current of fuse 125A;160A;200A
4	Rated short-circuit breaking current of fuse	kA	31.5;40;50
5	Rated breaking-transfer(handover)current	A	3150
6	Rated active load breaking current	A	630
7	5% rated active load breaking current	A	31.5
8	Rated closed loop breaking current	A	630
9	Rated cable charging breaking current	A	10
10	Rated line charging breaking current	A	1
11	Rated grounding fault breaking current	A	30
12	Rated cable charging breaking current under grounding fault conditions	A	17.4
13	Rated breaking no-load transformer capacity	kVA	2000
14	Rated breaking current single capacitor bank	A	400
15	Rated short-time withstand current(thermal ---Load switch(including disconnector)	kA/s	20/4
	stability current) ---Earthing Switch	kA/s	20/2
16	Rated short-circuit making current	kA	50
17	Rated peak withstand current(dynamic current)	kA	50
18	1 min power-frequency withstand voltage(effective value)to earth,phase-to-phase,vacuum fracture/isolating fracture	kV/kV	42/48
19	Full-wave lightning impluse withstand voltage(peak) to earth,phase-to-phase,vacuum fracture/isolating fracture	kV/kV	75/85
20	Main loop resistance	μΩ	≤120
21	Mechanical life	Time	10000
22	Clearance between open contacts	mm	9±1
23	Overtravel(compression length of contact spring)	mm
24	Gross thickness of contact wear	mm	3
25	Average opening speed	m/s	0.8~1.2
26	Average closing speed	m/s	0.45~0.85
27	Rated contact pressure	N	900±200
28	Connact closing bounce time	ms	≤2
29	Three-phase opening and closing asynchronization	ms	≤1
30	Inter-pole center distance	mm	210±3
31	Distance between live parts and of phase to earth	mm	≥125
32	Closing operation torque of vacuum arc-extinguishing chamber	N.m	≤80
33	Opening operation force of vacuum arc-extinguishing chamber	N	≤10
34	Rated closing operation voltage	V	≌220/110
35	Rated opening operation voltage	V	≌220/110
36	Time of switch opening triggered by breaking of fuse	ms	35±5
37	Impact output energy at breaking of fuse	J(Joule)	1

Selection of HV current-limiting fuse

Transformer capacity(kVA)	100	125	160	200	250	300/315	400	500	630	750/850	1000	1250	1600	2000	2500
Rated current of fuse(A)	16	16	16	20	25	31.5	40	50	63	80	80	100	125	160	200

The model of recommended fuse is VRNT-12HV current-limiting fuse;

The impact output energy of recommended fuse is:1J(Joule) middle-sized.

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

Product Categories : HV Load Break Switch With Fuse