FZN45-12真空负荷开关 FZRN45-12负荷开关-熔断器组合电器
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FZN45-12真空负荷开关 FZRN45-12负荷开关-熔断器组合电器
文本预览
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"是两种常见的高压电器设备型号，其中：
1. "FZN45-12真空负荷开关"：这是一种采用真空灭弧技术的负荷开关，设计用于额定电压为12kV（3×12kV）的交流电力系统中。它主要用于开合、分断负荷电流以及在无短路故障时切除小范围的过载电流，由于真空灭弧室具有良好的绝缘能力和快速灭弧性能，因此适用于要求频繁操作且安全性较高的场合。
2. "FZRN45-12负荷开关-熔断器组合电器"：这种设备是在上述真空负荷开关的基础上增加了快速熔断器功能，形成了一体化的解决方案。当负荷开关内部或线路发生过载或短路故障时，熔断器能够迅速切断电路保护设备与电网的安全。这款组合电器结合了负荷开关的隔离与切换能力与熔断器的快速保护特性，更加适应于对供电可靠性及保护完整性有较高需求的应用场景，如配电变压器出口、分支线路等。
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