Ring Mainframe High Voltage Room Sf6 Circuit Breaker 10kv 24kv Load Breakers Ring Main Unit/Rmu/Air Insulated Medium Voltage Switchgear

• Customization: Available
• Certification: VDE, CCC, ISO9001
• Shell Material: Stainless Steel
• Model NO.: XGW15-12 (Solid)
• Voltage Level: 12kv
• Installation: Floor Type
• Structure: Stationary
• Current: 630A
• Model No.: Xgw15-12(Solid)
• Dimension: 4000 mm * 1150 mm * 2500 mm
• Structural Feature: Metal Seal
• Constitutive Form: Assembly Type
• Scope of Application: Outdoors
• Shell Protection Class: IP44
• Duration of Ignition: 1s
• Insulating Medium: Solidity
• Rated Frequency: 50/60Hz
• Rated Current: 630A
• Temperature Rise Test Current: 1.1IR
• Rated Power Frequency 1min Withstand Vol: 42kv
• Peak Rated Lightning Impulse Withstand V: 75kv
• Rated Short-Time Withstand Current and D: 20/4 Ka/S
• Rated Peak Withstand Current: 50ka
• Transport Package: Anti-Collision Cotton
• Specification: custom
• Trademark: Anriep
• Origin: China
• Production Capacity: 100 Pieces/Week

Product Description

Product Description

Our Advanced Ring Main Unit Model Xgw15-12 is the epitome of innovation and safety, crafted meticulously by Ampower Electric Co., Ltd. This unit boasts a fully sealed, fully insulated design that is maintenance-free, ensuring uncompromised personal safety. With its compact structure and aesthetically pleasing, elegant appearance, this unit is engineered to perfection. The stainless steel dual-layer casing guarantees a remarkable service life of up to 20 years or more, providing enduring resilience. Designed to operate seamlessly even without the impact of silicone rubber cabling, it paves the way for regional power outages, significantly minimizing outage areas. The unit is adaptable, ready to be equipped with one or more SFe load switches. Offering versatile and varied wiring options, it supports branch outlets of up to eight loops. Moreover, it can be customized with optional arresters, short circuit fault indicators, and current limiting fuses, catering to a wide array of user requirements.

Preconfigured with a touchable silicone rubber cable head, this unit is fully sealed and all-insulated, eliminating maintenance needs while ensuring utmost safety. Its sleek and refined design is complemented by a stainless steel double-layered box, promising an impressive longevity of up to 20 years or more. This robust configuration ensures uninterruptible operation of the main network under challenging conditions, effectively reducing the extent of power outages. The unit allows for regional power outage maintenance and can be equipped with one or more SFe load switches. Its flexible and diverse wiring capabilities support branch outlets of up to 8 loops. Additionally, it offers optional features like arresters, short circuit fault indicators, and current limiting fuses, designed to meet the varied needs of discerning users.

1. Product Overview

ARSM16-12/24 Sulfur Hexafluoride Fully Insulated Compact Metal Enclosed Switchgear (hereinafter referred to as Sulfur Hexafluoride Inflatable Cabinet) is a ring net cabinet suitable for three-phase AC power system with rated voltage of 12/24 kV and rated frequency of 50/60 Hz. All components are subject to modular design, with flexible configuration and expansion scheme, compact product structure, comprehensive distribution automation scheme, control, segmentation, transformation and protection of lines.
It is suitable for areas with large power supply load and high density, such as residential areas, production, power supply, large public buildings, switching stations, industry and commerce, villages and towns, etc. It has the advantages, such as safe use, no wind and rain, convenient installation, locality, less maintenance, high reliability and high utilization rate.
This series of ring net cabinets are mainly designed according to GB3906, IEC298, IEC62271-1 and IEC62271-200.
 

2. Normal Use Conditions

 

No.	Name		Unit	Normal use value
1	Ambient air temperature	Maximum air temperature	ºC	+55
		Minimum air temperature		-40
		Maximum daily temperature difference	K	25
2	Altitude		m	≤2000
3	Solar radiation intensity		W/cm^2	0.1
4	Pollution level			d
5	Covered ice thickness		mm	10
6	Wind speed/wind pressure		m/s/Pa	34/700
7	Humidity	Average daily relative humidity	%	≤95
		Average monthly relative humidity		≤90
8	Earthquake resistance (horizontal acceleration)		m/s^2	2

3. Model and Definition

No.	Description		Unit	Interval name
				D	C	F	V
1	Rated voltage		kV	12/24
2	Type of arc extinguishing chamber			/	SF6	SF6	Vacuum
3	Rated frequency		Hz	50/60
4	Rated current		A	630	630	125	630/1250
5	Temperature rise test current		A	1.1Ir
6	Rated power frequency 1min withstand voltage (phase to ground)		kV	42/65
7	Peak value of rated lightning impulse withstand voltage (1.2/50μs, phase to ground)		kV	75/145
8	Rated short-circuit breaking current		kA	/	/	31.5	20/25
9	Rated short circuit making current		kA	/	/	50/63	50/63
10	Rated short-term withstand current and duration		kA/s	20/25/4	20/25/4	/	20/25/4
11	Rated peak withstand current		kA	50/63	50/63	/	50/63
12	Arc duration		s	≥1
13	Interruption times under rated active load		Times	/	100	100	100
14	Short-time power frequency withstand voltage of auxiliary and control loops		kV	2
15	Power supply	Control loop	V	DC24/DC48/DC110/AC220/DC220
		Auxiliary circuit	V	DC24/DC48/DC110/AC220/DC220
16	Service life		Year	≥30
17	Protection class	Cabinet shell		IP4X/IP3X
		Compartment room		IP2X
18	Rated gas pressure (20ºC gauge pressure)		bar	1.4
19	Annual gas leakage rate		V/V	0.1%
20	Partial discharge quantity		pC	Whole cabinet (1.1Ur) ≤ 20pC Single insulator (1.1Ur) ≤ 5pC