Yfr16b-12D/T125-31.5j-Hv Load Break Switch with Grounding Knife
Basic Info
Model No.: YFR16B-12D/T125-31.5J
Product Description
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 Vacuum Breaker. We are ready to answer your questions on packaging, logistics, certification or any Other aspects about Earthing Switch、Load Break Switch. 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
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