Original Factory Surge Arrester Lightning - TFZN-24D Indoor AC high voltage isolation vacuum load switch – TENPRO

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Original Factory Surge Arrester Lightning - TFZN-24D Indoor AC high voltage isolation vacuum load switch – TENPRO Detail:

Product characteristics

·Small size

·Light weight

·Combination diversification

·Stable performance

TFZN-24D

Indoor AC high voltage isolation vacuum load switch

Outline

TFZN-24D / T630-20 indoor AC high voltage vacuum load switch and TFZRN-24D/T125-20 indoor ac high voltage vacuum load switch fuse combination (hereinafter referred to as “TFZN-24 series vacuum load switch”) are designed and developed by our company based on GB83804-2004, GB16926-1997 and Q/GDW Zhejiang province electric power company enterprise standards. TFZN series vacuum load switches have obvious visible isolation fracture, long electric life, frequent operation, large switching current, basic maintenance free, manual and electric operation function, and it can achieve long-distance control and other advantages. It is suitable for AC 50Hz, rated voltage 24KV network, and it can switch off active load current (capacitive load), overload current and short circuit current. It is installed in ring network switchgear, box substation and wall mounting.

Use

TFZN-24 series vacuum load switches are suitable for 50 Hz rated 24KV power grid to switch off load current overload current and short circuit current. Visible isolation fracture can ensure the safety of live maintenance personnel. It is especially suitable for places without oil, maintenance and frequent operation.
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Main technical parameters

TFZN-24D (load switch) / TFZRN-24D(composite apparatus ) Electrical performance parameters

Serial No.

Item

Unit

Load switch

Composite apparatus

1

rated voltage

kV

24

2

rated current

A

630

125

3

rated frequency

Hz

50

4

rated active load breaking current, rated closed-loop breaking current

A

630

-

5

rated short-circuit breaking current

kA

-

25、31.5

6

rated short-circuit closing current

kA

50

-

7

rated short-time withstand current

load switches (including isolators)

kA/s

20/4

-

grounding switch

8

rated switching transfer current

A

-

3150

9

rated cable charging, breaking current

A

16

-

10

rated breaking no load transformer

kVA

2500

11

1min power frequency withstand voltage (RMS) to ground, phase to phase, vacuum fracture / isolation fracture

kV/kV

65/79

12

full wave lightning impulse withstand voltage (peak) to ground, interphase, vacuum break / isolated fracture

kV/kV

125/145

13

main circuit resistance

μΩ

≤80 ≥95

14

rated single capacitor bank breaking current

A

630

15

rated back-to-back capacitor bank breaking current

A

400

16

mechanical life

times

10000


Product detail pictures:

Original Factory Surge Arrester Lightning -
 TFZN-24D Indoor AC high voltage isolation vacuum load switch – TENPRO detail pictures


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Every member from our high efficiency sales team values customers' needs and business communication for Original Factory Surge Arrester Lightning - TFZN-24D Indoor AC high voltage isolation vacuum load switch – TENPRO, The product will supply to all over the world, such as: moldova , Cyprus , Amsterdam , We have more than 100 works in the plant, and we also have a 15 guys work team to service our customers for before and after sales. Good quality is the key factor for the company to stand out from other competitors. Seeing is Believing, want more information? Just trial on its products!
  • It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
    5 Stars By Ruth from Holland - 2016.05.02 11:33
    We always believe that the details decides the company's product quality, in this respect, the company conform our requirements and the goods are meet our expectations.
    5 Stars By Beulah from Jamaica - 2015.09.12 17:18

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