AC High Medium Low-Voltage Distribution Kyn Cabinet Fixed Switchgear

Customization:	Available
Application:	Power
Phase:	Three

🔹 Basic Information

Model NO.

KYN

Core

Shell-type Transformer

Cooling Method

Dry-type Transformer

Winding Type

Separated Winding

Certification

ISO9001, CCC

Usage

Single-phase Transformer

Frequency

Power Frequency

Installation

Fixed

Current

AC

Rated Current

630/1250A

Protection Grade

IP4X

Mechanical Life

20 Years

📦 Product Description

PRODUCT INTRODUCTION

The Ring Main Unit (RMU) is a compact, lifetime sealed metal-enclosed switchgear widely used in urban distribution networks. It contains load switches (LBS) and earthing switches for incoming and outgoing lines, as well as vacuum circuit breakers equipped with corresponding disconnectors.

All switchgear and busbars are sealed for life in stainless steel housings filled with SF6 gas, ensuring high safety, reliability, and a maintenance-free system. Key features include SF6 gas insulation, compact modular structure, and integrated protection systems.

📊 Technical Parameters

Item	Unit	Parameters
Maximum system voltage	kV	12	15	24	40.5
Rated voltage	kV	11	15	22	33/36
Rated current	A	630 / 1250
Rated frequency	Hz	50 / 60
1min Power frequency withstand	kV	42	48	55	85
Lightning impulse withstand	kV	75	90	125	170
Short time withstand current	kA	25/2s
Protection level	-	IP4X

📜 Quality & Logistics

Package Size

450cm * 1000cm * 1800cm

Gross Weight

68.000kg

Transport

Wooden Case

Industry Certifications

❓ Frequently Asked Questions

Are you a manufacturer or a trader?

We are a leading professional manufacturer specializing in high-voltage, medium-voltage, and low-voltage transmission and distribution equipment.

What is your after-sales service policy?

We provide 24-hour online support, 1-3 years of quality guarantee, and the latest technical assistance. Door-to-door service is available for large transformers and switchgear panels.

What international quality certifications do you hold?

Our products are manufactured under strict quality control and hold international approvals including CE, RoHS, KEMA, CB, and TUV.

What are your standard payment terms?

Generally, we require 30% T/T in advance as a deposit, with the balance due before shipment. Irrevocable L/C at sight is accepted for large orders. For established partners, terms are negotiable.

Is the Ring Main Unit (RMU) maintenance-free?

Yes, all switchgear and busbars are sealed for life in stainless steel housings filled with SF6 gas, ensuring a maintenance-free system throughout its operational life.

Can I request an invitation letter for a factory visit?

Absolutely. If you wish to visit our production facilities, we can provide a formal invitation letter to assist with your travel arrangements.