40.5kV SIRING Solid Dielectric Integrated VCB

SIRING® Integrated Switch is made of three-position disconnector and vacuum circuit breaker by filling solid materials with new formula at one-time pouring. The primary circuit is completely enclosed in the new nano technology insulating materials without adding buffer materials and the static and dynamic contacts are not exposed to the air to avoid contact oxidation. Meanwhile, the surface insulation material of the switch body is continuously and reliably grounded, with the characteristics of full shielding, full insulation, full sealing, full grounding, dust-proof, waterproof and anti-condensation, which is suitable for the service environment under all working conditions.

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Product application

Classification

MV Solid Insulated Circuit Breaker

keyword

Product Description

Product features

Vacuum Circuit Breaker and 3-Position Disconnector are poured as a whole,reduce lap points and contact resistance.

Low compression ratio of insulating materials, ensure that the product will not crack within its service lie.

The insulating surface is covered with grapheme conductive layer, eliminate phase to phase fault.

Carbon fiber shielding mesh to avoid eddy current effect and reduce calorific value.

Modular operating mechanism, convenient maintenance and repair.

The circuit breaker and 3-position disconnector operating mechanism

are independent of each other,it has reliable interlocking function.

Technical specification

ltem	Unit	Data
Rated Voltage	kV	40.5
Rated Frequency	Hz	50/60
Rated Current	A	1250/2500
Rated 1min Power-frequency withstand voltage (Phase/ Distance)	kV	95/118
Rated lighting impulse withstand voltage (Phase/ Distance)	kV	185/215
Short-circuit Current Breaking Capacity	kA	31.5/40
Rated Making Capacity	kA	80/100
Rated Short-time Withstand Current	kA	31.5/40
Peak Withstand Current	kA	80/100
Rated Short-time Withstand Current Duration	s	4
Electrical Endurance of Circuit Breaker	times	Class E2:≥30
Mechanical Endurance of Circuit Breaker	times	Class M2:≥10000
Mechanical Endurance of Load Switch	times	≥5000
Mechanical Endurance of Ground Switch	times	≥5000
Rated Voltage of Control Loop	V	AC110/220 DC110/220