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Yunnan Nanyue Electric Power Equipment Co., Ltd.
Yunnan Nanyue Electric Power Equipment Co., Ltd.  

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Indoor AC High Voltage Vacuum Load Break Switch and Fuse Combination Apparatus 

Payment Terms: T/T,L/C,WU,Paypal 
Place of Origin: Yunnan, China (Mainland) 
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Product Detail

Model No.: FZRN21-12D
Production Capacity: 100000
Delivery Date: Delivery in 5 work days aft...
Means of Transport: Ocean,Land
Packing: Export Standard package
Brand Name: Nanyue

FZRN21-12D indoor vacuum load break switch and fuse combination apparatus applies to power system of rated voltage 12kV, AC 50/60Hz.It distributes pow

Product name:
FZRN21-12D Indoor AC High Voltage Vacuum Load Break
Switch and Fuse Combination Apparatus

Summary
FZRN21-12D indoor vacuum load break switch and fuse combination apparatus applies to power system of rated voltage 12kV, AC 50/60Hz.It distributes power, control and protect electric apparatus. The apparatus replace expensive VCB to service in electricity network. It can also be used in rural and urban power supply sys tems to break and make under rated current and short-circuit current when the circuit breaks down. It is also applicable to control and protect transformers.

Ambient condition
1. Altitude: 1000m;
2. Ambient temperature: -25 ~+40 ;
3. Relative humidity: daily average 95 , monthly average 90 ;
4. Earthquake intensity: 8 degree;
5. Applicable occasions should fre e from inflammables, explosives, corrosives
and severe vibration.

Product feature

The load-breaking switch is an interlock device of three-phase. The VCB is operated by electric spring or dependen t manu al. The opening operation is of both dependent manual and dependent power. There is reliable interlock between vacuum arc-extinguish chamber, disconnect blade and grounding blade. When the fuse breaks down, the load-breaking switch opens by the interlock mechanism. The load break switch can be mounted in switchgear and hang-on the wall to protect transformers.


No.HRC FuseUnitData
1Rated voltagekv12
2Rated frequencyhz50/60
3Rated maxim current of fuseA125
4Transfer currentA1550
5Opening duration of switch activated by fuseMS40+-5
6Rated short-circuit breaking currentKA31.5
7Rated short-circuit making current (peak)KA80
81min. PF withstand voltage 
(phase to phase/to earth, across open contacts)
KV42/49
9Lightning impulse withstand voltage 
(phase to phase/to earth, across open contacts)
KV75/85
10Fuse impinger modelKVMIDDLE
No.LBS

1Rated voltageKV12
2Rated frequencyHZ50/60
3Rated currentA630
4Rated active load breaking currentA630
5Rated closed-loop breaking currentA630
65% of active load breaking currentA31.5
7Rated breaking current of charging cableA10
8Rated breaking current of no-load transformerANo-load current of 
1250kVA transformer
91min. PF withstand voltage(phase to 
phase/to earth, across open contacts)
KV42/49
10Lightning impulse withstand voltage 
(phase to phase/to earth, across open contacts)
KV75/85
114s rated short-time withstand currentKA31.5
12Rated peak withstand currentKA80
13Rated short-circuit making currentKA80
14Mechanical lifeTIMES10000
15Permissible corrosion thickness of contactMM2
16C/O operating momentN*M≤200


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skype Ms. Sandra
Sales Manager
Tel: 86-136-29698649
Fax: 86-871-65882055
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Company Info

Yunnan Nanyue Electric Power Equipment Co., Ltd. [China (Mainland)]


Business Type:Manufacturer
City: Kunming
Province/State: Yunnan
Country/Region: China (Mainland)

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