12 3150-40 embedded pole

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Gas insulation series

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Description

C SF6 Gas Insulated Ring Network Cabinet Series Insulator

SF6 series insulators are widely used in dry sulfur hexafluoride inflatable cabinets, the center conductor is cast by surface treatment, the leakage rate meets 1.0*10-9Pam3/s, the product specifications cover 12-40.5kv inflatable cabinet series products, to meet a variety of installation size selection requirements, and can be matched with bus bar, plug, plug, seal ring to provide a total solution.

Drawing number	Pole model	Equipped with insulating rod
RZP5.281c	EP 12/2500-40	ICRAP4.281e.02
RZP5.282e	EP 12/3150-40	ICRAP4.281e.02

The Main Technical Parameters Of The Solid-sealed Pole

Data	Value		Unit
Rated voltage	12		kV
Rated current	2500	3150	A
Rated frequency	50		Hz
Rated short-circuit breaking current	40	40	kA
Operations of short-circuit breaking current interruption	30		次
Rated short-circuit making current	100	100	kA
Rated peak withstand current	100	100	kA
Rated short-time withstand current（4s）	40	40	kA
Rated single capacitor bank breaking current	630 ※		A
Rated back-to-back capacitor breaking current	400 ※		A
Short-time(1min) power-frequency withstand voltage	48		kV
Lighting impulse withstand voltage(peak)	75		kV
Circuit resistance at rated contact force	≤15	≤13	μΩ
Mechanical life	10,000		次
Contact closing force due to bellows and atmosphere	250±60		N
Counterforve at rated contact stroke	340±60		N
Contact limit erosion	3		mm
Shelf life	20		年
Partial discharge	≤1		pC
Rated operating sequence	0-0.3s-co-180s-co

Mechanical Data Of Circuit Equipped With Interrupters

Data	Value		Unit
Rated contact stroke	9±1	9±1	mm
Contact connection stroke	3±1	3±1	mm
Average opening speed	1.3±0.2	1.3±0.2	m/s
Average closing speed	0.6±0.2	0.6±0.2	m/s
Rated operation pressure of contact	4800±300	5000±300	N
Bounce duration of contact closing	≤2	≤2	ms
Out of simultaneity of contact closing and opening	≤1	≤1	ms
Max. overtravel	≤2	≤2	mm