Yueqing Abbeycon Electric Co., Ltd.

· Overview

JN15-12 model indoor HV earthing switch its performance meets the GB1985-89 ≤ AC high-voltage switches and earthing switches ≥ next door and the requirements of IEC129 for 312 kV and below, AC 50Hz power systems with a variety of models supporting the use of high voltage switchgear, as grounding protection.

· design, advanced technology and reliable performance;
· simple structure, easy installation;
· fast points, joint capabilities.

· Environmental conditions

· altitude not exceeding 1000m ;
· ambient temperature: +40 ℃ upper limit of 10 ℃ ;
· allows storage at 30 ℃;
· seismic intensity of less than 8 degrees;
· non-flammable, explosive, strict Health and dust, chemical corrosion and severe vibration place;

· Technical parameters

project		unit	data
rated voltage		KV	12
Rated short time withstand current		KA	31.5
Rated short duration		S	4
Rated short-circuit current		KA	80
Rated peak withstand current		KA	80
center distance between poles		mm	150, 210, 230, 250, 275
Rated insulation level	1min power frequency withstand voltage	KV	on the ground, and white /very room	42/48 75/85
	lightning impulse withstand voltage

· Figure 1: Outline drawing

· contour and installation diagram