FZN45-12真空負荷開關 FZRN45-12負荷開關-熔斷器組合電器
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FZN45-12真空負荷開關 FZRN45-12負荷開關-熔斷器組合電器
FZN45-12真空負荷開關 FZRN45-12負荷開關-熔斷器組合電器
文本預覽
F Z N 45-12
FZRN45-12
F Z N 4 5-12 Vacuum Load Switch
FZRN45-12 Switch-fuse Combinations
12kV,...630AFZN45-12
FZRN45-12 - 50Hz
GB3804 GB16926 IEC60420
Type FZN45-12 vacuum load switch and type FZRN45-12 vacuum switch-fuse
combination were developed by CJEC according to the Chinese standards.
The switch and combination have three positions: servicing, isolating and earthing.
F Z N
It can be widely used in M.V. equipments for the high solidity, lightweight and easy
4
maintenance.
The products have passed type test and complied with the legally recognized
standards GB3804-90, GB16926-97 and IEC60420.
F Z R N
41
Type and Designation
2
Operating Conditions
3
Technical Data
4
Structure,Characteristic and Operation
5
Working Principle
6
Interlocking
7
Dimensions
8
45-12
Despatch, Installation and Debugging
9
45-12
Maintenance & Servicing1
Type and Designation
Type and Meaning of Vacuum load Switch
FZN45 - 12(D) / -
(kA)
Load switch Rated short-time withstand current
Vacuum (A) Rated current
Indoor Earthing switch
Design Number (kV) Rated voltage
Type and Meaning of Switch-fuse combination
FZRN45 - 12(D) / -
(kA)
Load switch
Rated breaking current of fuse
Vacuum
(A) Rated current
F u s e
Earthing switch (Selected)
Indoor
Design Number (kV) Rated voltage
2
Operating Conditions
Maximum site altitude 1000m 1000 m max.
Ambient temperature 40 10 max. to 40 min. to 10
95 90
Reltive humidity
dialy average 95 ,monthly average 90
Shock of earthquake 8 8 magnitude max.
-30 Storage and transportation service over -30
In the application of no fire,explosion,heavy dust,chemical corrosion and violent vibration,etc.
Attention:
Special condition and requirement consuoct with the manufacture.
13
Technical Date
-
Item Unit
No. Load switch
Switch-fuse combination
1 Rated volatge kV 12 12
2 Rated frequency Hz 50 50
3 Rated current A 630
4 Rated current of fuse A ...200
5 Rated short-time withstand current kA 20
6 Rated duration of short s 4
7 Rated peak withstand current kA 50
8 Rated short-time making current kA 50
9 Rated mainly active load-breaking current A 630
10 Rated closed-circuit breaking current A 630
11 Rated no-load thansformer breaking current A 100 100
12 Rated cable-charging breaking current A 10 10
13 Rated short-circuit breaking current of fuse kA 31.5
14 Rated breaking take-over current A 2000
Phase-to-phase 42 42
15 1mim Phase-to-earth kV 42 42
Power frequency withstand voltage(1min)
Isolating potes 48 48
Phase-to-phase 75 75
16 Phase-to-earth kV 75 75
Lightning impulse withstand voltage
Isolating potes 85 85
24
Structure,Characteristic and operation
Structure
1
FZRN45-12
F Z N 4 5-12 Vacuum Load Switch
FZRN45-12 Switch-fuse Combinations
12kV,...630AFZN45-12
FZRN45-12 - 50Hz
GB3804 GB16926 IEC60420
Type FZN45-12 vacuum load switch and type FZRN45-12 vacuum switch-fuse
combination were developed by CJEC according to the Chinese standards.
The switch and combination have three positions: servicing, isolating and earthing.
F Z N
It can be widely used in M.V. equipments for the high solidity, lightweight and easy
4
maintenance.
The products have passed type test and complied with the legally recognized
standards GB3804-90, GB16926-97 and IEC60420.
F Z R N
41
Type and Designation
2
Operating Conditions
3
Technical Data
4
Structure,Characteristic and Operation
5
Working Principle
6
Interlocking
7
Dimensions
8
45-12
Despatch, Installation and Debugging
9
45-12
Maintenance & Servicing1
Type and Designation
Type and Meaning of Vacuum load Switch
FZN45 - 12(D) / -
(kA)
Load switch Rated short-time withstand current
Vacuum (A) Rated current
Indoor Earthing switch
Design Number (kV) Rated voltage
Type and Meaning of Switch-fuse combination
FZRN45 - 12(D) / -
(kA)
Load switch
Rated breaking current of fuse
Vacuum
(A) Rated current
F u s e
Earthing switch (Selected)
Indoor
Design Number (kV) Rated voltage
2
Operating Conditions
Maximum site altitude 1000m 1000 m max.
Ambient temperature 40 10 max. to 40 min. to 10
95 90
Reltive humidity
dialy average 95 ,monthly average 90
Shock of earthquake 8 8 magnitude max.
-30 Storage and transportation service over -30
In the application of no fire,explosion,heavy dust,chemical corrosion and violent vibration,etc.
Attention:
Special condition and requirement consuoct with the manufacture.
13
Technical Date
-
Item Unit
No. Load switch
Switch-fuse combination
1 Rated volatge kV 12 12
2 Rated frequency Hz 50 50
3 Rated current A 630
4 Rated current of fuse A ...200
5 Rated short-time withstand current kA 20
6 Rated duration of short s 4
7 Rated peak withstand current kA 50
8 Rated short-time making current kA 50
9 Rated mainly active load-breaking current A 630
10 Rated closed-circuit breaking current A 630
11 Rated no-load thansformer breaking current A 100 100
12 Rated cable-charging breaking current A 10 10
13 Rated short-circuit breaking current of fuse kA 31.5
14 Rated breaking take-over current A 2000
Phase-to-phase 42 42
15 1mim Phase-to-earth kV 42 42
Power frequency withstand voltage(1min)
Isolating potes 48 48
Phase-to-phase 75 75
16 Phase-to-earth kV 75 75
Lightning impulse withstand voltage
Isolating potes 85 85
24
Structure,Characteristic and operation
Structure
1
AIGC"FZN45-12"和"FZRN45-12"是兩種常見的高壓電器設備型號，其中：
1. "FZN45-12真空負荷開關"：這是一種采用真空滅弧技術的負荷開關，設計用于額定電壓為12kV（3×12kV）的交流電力系統中。它主要用于開合、分斷負荷電流以及在無短路故障時切除小范圍的過載電流，由于真空滅弧室具有良好的絕緣能力和快速滅弧性能，因此適用于要求頻繁操作且安全性較高的場合。
2. "FZRN45-12負荷開關-熔斷器組合電器"：這種設備是在上述真空負荷開關的基礎上增加了快速熔斷器功能，形成了一體化的解決方案。當負荷開關內部或線路發(fā)生過載或短路故障時，熔斷器能夠迅速切斷電路保護設備與電網的安全。這款組合電器結合了負荷開關的隔離與切換能力與熔斷器的快速保護特性，更加適應于對供電可靠性及保護完整性有較高需求的應用場景，如配電變壓器出口、分支線路等。
