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DingzhouStandardized Integrated Primary and Secondary Ring Main Units (Gas/Solid Insulation)

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DingzhouRing Main Unit

Phone: 400-888-8888

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Product Description

　　 Product Definition

　　The integrated primary–secondary ring-main unit consists of a ring-main cabinet (including incoming and outgoing line units and a voltage transformer cabinet), a substation/feeder terminal, an external enclosure, connecting cables, and other components. The primary ring-main cabinet is available as either a gas-insulated or solid-insulated type, and the substation/feeder terminal bay can be flexibly configured according to customer requirements.

　　Primary and Secondary Integration Main Equipment

　　 Product Technical Specifications

Project	Unit	Parameters
Rated voltage	kilovolt	12
Rated current	A	630
Power-frequency withstand voltage (phase-to-ground)	V/min	42k
Lightning Impulse Voltage	kilovolt	75
Rated breaking current	A	630
Rated short-circuit making current (peak)	kA	50
Rated short-time withstand current	kA/S	April 25
Rated Peak Withstand Current	kA	50
Rated breaking capacitive current	A	45
Rated breaking inductive current	A	16
Number of full-load breaking operations	next	>100
Number of mechanical operations for closing and opening	next	2000

　　 Product Features

　　This switchgear boasts modularity, scalability, full insulation, complete sealing, high safety and reliability, maintenance-free operation, wireless temperature measurement, and online monitoring capabilities, making it suitable for even the harshest environments. It is widely deployed in industrial parks, residential areas, streets, airports, various types of buildings, and bustling commercial centers.

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