GN30-12 Indoor Isolation Switch

Selection

Operating conditions

1. The altitude does not exceed 1000m; 2. Ambient air temperature: -10 ℃ ~+40 ℃; 3. Relative humidity: daily average value is not greater than 95%, monthly average value is not greater than 90%; 4. Contamination grades: no serious dust, corrosive and explosive material place; 5. Earthquake intensity: do not exceed 8 degree; No regular violent vibration place.

Technical data

Product specifications Parameter	GN30-12/ 400-12.5	GN30-12/ 630-12.5	GN30-12/ 1000-12.5	GN30-12/ 1250-12.5	GN30-12/ 1600-12.5
Item	GN30-12D/ 400-12.5	GN30-12D/ 630-12.5	GN30-12D/ 1000-12.5	GN30-12D/ 1250-12.5	GN30-12D/ 1600-12.5
Voltage, current parameters
Rated voltage (kV)			12
Rated current (A)	400	630	1000	1250	1600~3150
Rated short-time	12.5	20	31.5	31.5	40
withstand current (kA)
Rated short-time duration (S)	4	4	4	4	4
Rated peak withstand current (KA)	31.5	50	80	80	100
Rated insulation level	1 min power frequency withstand voltage (KV)	Between pole, pole to earth 42 fracture 48
	Lightning impulse voltage (kV)	Between pole, pole to earth 75 fracture 85

Overall and mounting dimensions(mm)

1. Vertical incoming contact 2. Vertical contact support 3. Rotating moving contact 4. Insulator 5. Grounding contact 6. Parallel contact support 7. Parallel outgoing contact 8. Rack 9. Name plate 10.Opening and closing crank arm Notes Outline and installation dimensions of isolation switches on a distance of 210mm The incoming and outgoing line methods are: parallel incoming line and parallel outgoing line: