Name: FN12-12D 12kv 11kv 630a 3P indoor AC high voltage load break switch switchgear
Brand: Ghorit
Availability: InStock

Product Details

Product Name: FN12-12D 12kv 11kv 630a 3P indoor AC high voltage load break switch switchgear

Type: Load break switch

Product Description

FN12-12D/630-20 type indoor AC high voltage load switches

FN12-12(R)D/125-31.5 type AC high voltage load switch- fuse combination units

FN12-12D/630-20 type indoor AC high voltage load switches is a rated voltage of 10KV, rated frequency 50Hz three-phase high-voltage switch equipment ,for the closing and opening load current, loop current, air containing transformers and cable charging current, short circuit current of the Closing. Equipped with grounding switch load switch that can withstand short-circuit current.

FN12-12 (R) D/125-31.5 type AC high voltage load switch- fuse combination units, is the FN12-12D load switch and S () LAJ-12 (XRNT () -10) high-voltage current-limiting type fuse combination units together in the indoor high voltage switchgear. It can be a reliable short-circuit breaking current up to any current; load switch breaking current, the fuse short-circuit breaking current breaking joint working between the current and total short-circuit current of any over-current, fuse through its impact to load switches opening.

The use of environmental conditions

1.Air temperature: -25°C ~ +40°C;

2.Altitude: ≤1000m;

3.Relative humidity: daily average is not more than 95%,

4.Installation places: No fire, explosion hazard, serious filthy places.

5.Contamination level: II

Mainly technical parameters

No	Item	Unit	Value
1	Rated voltage	kV	10
2	Rated frequency	Hz	50
3	Rated current	A	630	100
4	Lightning impulse withstand voltage	kV	Earth and phase 75, insulating fracture 85
5	1min power frequency withstand voltage	kV	Earth and phase 42, insulating fracture 48
6	Rated thermal current	kA	20(4S)
7	Rated dynamic current	kA	50
8	Rated closed current (peak)	kA	50	50
9	Rated short-circuit breaking current (predictive value)	kA		31.5
10	Max I2t on critical breaking current	A2S		Comply with fuse characteristic curve
11	Min breaking current	kA		Comply with fuse characteristic curve
12	Rated transfer current	kA		1.5
13	Max breaking current (reference value)	kA	1.8
14	Breaking no-load transformer capacity	kVA	1250
15	Rated cable charged current	A	10
16	Rated power load current breaking times	times	>100
17	Breaking times of striker with load-switch	S		>0.06
18	Earth switch thermal current	kA	20(2S)
19	Earth switch thermal current (peak)	kA	50
20	Motor operate power voltage	V	AC DC current 110, 220

General structure drawing and installation size