China Wholesale Vcb Switchgear Factory – EK6-12-31.5 12KV Indoor AC high voltage power supply Combined earthing switch – Timetric

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China Wholesale Vcb Switchgear Factory – EK6-12-31.5 12KV Indoor AC high voltage power supply Combined earthing switch – Timetric Detail:

LYE101 JN15A-12/31.5 Indoor AC High Voltage Grounding Switch

Summary:

Grounding switches use resin insulators, on which live parts, made of silver-plated electrolytic copper (99.9%), are placed. The blades are directly connected to the drive shaft. Contact elements are overdimensioned according to the requirements in order to guarantee, together with a high contact pressure between blades and contacts, a reduced ohmic resistance at the contact surface and a minimum metal wear-off during the life of the grounding switch, with the necessary robustness to withstand thermal and mechanical stresses under short-circuit conditions.

JN15A-12/31.5 indoor AC high voltage earthing switch is an advanced level product with high-tech parameters performance.After comprehensive evaluation,it conforms to GB1985 and IEC129 standard ,applies to power system of 3-12kV and three-phase AC 50Hz.It owns short-circuit making capacity to protect other electric equipment not being damaged.Can be used with various high voltage switchgear,also play a protective role in the high-voltage electrical equipment overhaul.

Ambient condition:

1.Altitude: less than 1000M

2.Ambient temperature: -10℃ to 40℃

3.Earthquake intensity: no more than 8 degree

4.Pollution: II

5.Relative humidity: Daily average less than 95%. Monthly average less than 90%

Item		Unit	Data
Rated voltage		kV	12
Rated short-time withstand current		kA	31.5
Rated short-circuit duration		s	4
Rated short-circuit making current		kA	80
Rated peak withstand current		kA	80
Rated insulation level	PF withstand voltage (1 min)	kV	Phase to earthPhase to phase	42
	Lightning impulse withstandvoltage			75
Mechanical endurance		Time	2000

EK6-12/31.5 earthing switch(ES-10/31.5)Outline and installation dimension

Hole location diagram

12KV Indoor AC high voltage power supply Combined earthing switch 02

Hole location diagram

12KV Indoor AC high voltage power supply Combined earthing switch 03

Unit: (mm)

Specification	E	F	G	H	D	C
EK6-12/31.5-165	165	75	160	565	426
EK6-12/31.5-180	180	75	160	595	456
EK6-12/31.5-200	200	75	160	635	496
EK6-12/31.5-210	210	75	160	655	516
EK6-12/31.5-220	220	75	160	675	536
EK6-12/31.5-230	230	75	160	695	556	96
EK6-12/31.5-250	250	75	160	735	596	96
EK6-12/31.5-275	275	75	185	810	646	96

Item		Item	data
Rated voltoge		KV	12
Rated short time withstand current		KA	31.5
Rated short circuit withstand fime		S	4
Rated short circuit making current		KA	80
Rated peak withstand current		KA	80
Rated insulation leve	1 min power frequency withstand voltoge	KV	42
	Lightning impulse withstand voltage		75
Mechanism life		time	2000

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