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FT16-40.5 Vacuum Load Switch-Fuse Combination Apparatus

The FT16-40.5 indoor AC high-voltage vacuum load switch and the FT16-40.5R indoor AC high-voltage vacuum load switch with fuse combination apparatus are switchgear components that employ vacuum arc extinction and air insulation. They serve as the main components of the HXGT16-40.5 indoor AC metal-enclosed ring-main unit switchgear and the DFT16-40.5 outdoor high-voltage cable tap-off box.

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Detailed Introduction Technical Specifications

The FT16-40.5 indoor AC high-voltage vacuum load switch and the FT16-40.5R indoor AC high-voltage vacuum load switch with fuse combination apparatus are switchgear components that employ vacuum arc extinction and air insulation. They serve as the primary switching elements in the HXGT16-40.5 indoor AC metal-enclosed ring-main unit switchgear and the DFT16-40.5 outdoor high-voltage cable tap-off box.

FT16-40.5 and FT16-40.5R are suitable for AC power networks with a frequency of 50 Hz and a rated voltage of 35 kV. They are capable of interrupting load current, overload current, and short-circuit current.

Normal operating environmental conditions:

● Altitude: not exceeding 1000 m;
● Ambient temperature: -25°C to +40°C;
● Relative air humidity: daily average not greater than 95%, monthly average not greater than 90%;
● The surrounding air is free from severe pollutants, such as dust, smoke, corrosive substances, flammable gases, gasoline, and saline solutions.

●Earthquake intensity: 8 degrees:
When operating conditions differ or special requirements apply, consultation with the manufacturer is required.

Serial Number	Name						Unit	Parameters
1	Rated voltage						kilovolt	40.5
2	Rated frequency						Hertz	50
3	Rated current						A	630
4	Fuse rated current							100
5	Rated short-time withstand current						kA	25
6	Rated short-circuit duration						s	2
7	Rated short-circuit making current						kA	63
8	Rated Peak Withstand Current						kA	63
9	Rated breaking current at full load						A	630
10	Rated transfer (handover) breaking current (with 100 A fuse)						A	2000
11	Closing current of the earthing switch						kA	31.5
12	FT16-40.5 Main Circuit Resistance						uΩ	200
13	FT16-40.5 Pressure Circuit Resistance						uΩ	250
14	Trip time of the fuse-triggered switch						millisecond	60+10
15	Fuse rated breaking current (RMS)						kA	31.5
16	Rated Insulation Level	1-minute power-frequency withstand voltage (RMS)				Between phases, relative to ground	kilovolt	95
						Break/Isolation Port		95/118
		Lightning Impulse Withstand Voltage (Peak)				Between phases, relative to ground		185
						Break/Isolation Port		185/215
17	1-minute power-frequency withstand voltage of the secondary circuit							2
18	Protection Level		HXGT16					IP2X
			DFT16					IP33
19	Three-phase center distance						mm	410±3
20	External dimensions			HXGT16	Cabinet width		mm	1200 2000
					Cabinet depth			1600
					Cabinet height			1900 2600
				DFT16	Cabinet width			1800
					Cabinet depth			2300
					Cabinet height			1800
21	Mechanical life						Load switch	10,000 times
							Isolating switch	2,000 times
							Earthing switch	2,000 times

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E-mail: export@tianandl.com
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Tel：+86-0574-87900000

E-mail：export@tianandl.com