Factory Promotional Box Type Substations - TFN12-12D(R) series Indoor AC high voltage load switch – fuse combination – TENPRO

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Factory Promotional Box Type Substations - TFN12-12D(R) series Indoor AC high voltage load switch – fuse combination – TENPRO Detail:

Product characteristics

·Small size and low cost

·Easy installation and reliable performance

·Optional over current tripping, shunt, electric, inversion, front and wall operation

TFN12-12D (R) series

Indoor AC high voltage load switch – fuse combination

Outline

TFN12-12 and TFN12-120R composite apparatus are rated voltage 12kV, rated frequency 50Hz three-phase high-voltage switchgear, which are used to split load current, closed-loop current no-load transformer and cable charging current, close short circuit current, load switch equipped with earthing switch. They can withstand short-circuit current, and are mainly used in urban substations and industrial electrical equipment for three-phase ring network or terminal power supply. They are responsible for control and short circuit protection.

Model meaning

TFN12-12D/630-20-口

                     mechanical form S manual operation, D motor

                     rated stable current (kA)

                     rated active load current (A)

                     grounding switch

                     rated voltage (KV)

                     design serial number

                     indoor

                     Ac high voltage load switch

                     enterprise code (TENPRO Power Technology)

TFN12-12DR/125-31.5-口 

                     Mechanism form: s hand operated D motor

                     rated short-circuit on-off current (kA)

                     rated current (A)

                     with fuse

                     grounding switch

                    rated voltage (kV)

                    design serial number

                    indoor

                    AC high voltage load switch-fuse combination

                    enterprise code (TENPRO Power Technology)

Technical parameter

Serial No.

Item

Unit

TFN12-120/630

TFN12-12DR/125-31.5

1

rated voltage

KV

12

2

rated frequency

Hz

50

3

rated current

A

630

100

4

lightning impulse withstand voltage

KV

Ground and interphase 75, isolated fracture 85

5

1min power frequency withstand voltage

KV

Ground and interphase 42, isolated fracture 48

6

rated thermal stable current

KA

20 (4S)

 

7

rated dynamic stable current

kA

50

 

8

rated closing current (peak)

kA

50

 

9

rated short-circuit breaking current (preset)

kA

 

31.5

10

rated transfer current

KA

 

1.5

11

breaking no-load transformer capacity

kVA

1250

12

rated cable charging current

A

10

13

rated active load current breaking times

times

10000

14

impactor triggers the load switch opening time

S

 

<0.06

15

thermal stable current of grounding switch

kA

20 (2S)

 

16

grounding switch dynamic stable current (peak)

kA

50

 

17

operational power supply

 

~110/220

 

   


Product detail pictures:

Factory Promotional Box Type Substations -
 TFN12-12D(R) series Indoor AC high voltage load switch – fuse combination – TENPRO detail pictures


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  • The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
    5 Stars By Ricardo from Brunei - 2016.09.29 11:19
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    5 Stars By Constance from Australia - 2016.11.12 12:31

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