SF6 Gas Insulated Modular Switchgears

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MSF series, SF6 gas insulated medium voltage modular switchgears (RMU) are the switchgears used in today’s advanced MV distribution systems with increased functional features and minimized dimensions. SF6 gas insulated medium voltage modular switchgears (RMU) are manufactured from 24 kV to 36 kV. RMUs minimize total usage costs with ease of installation, remote control feature, high security, expansion possibility. Provided that the mechanism is installed in advance, it offers a unique solution to the user with its remote on-off feature even if there is no motor. RMUs, which are generally used in MV distribution systems in sheet metal or concrete power centers, offer rational solutions to the user by their compact dimensions and increased safety features. SF6 gas insulated modular switchgears (RMU) consist of 3 parts;

A) Mechanism and LV control panel

B) SF6 compartment

C) Cable box compartment

Areas of Use

MSF series SF6 gas insulated switchgears (RMU) are highly preferred products in medium voltage electricity distribution networks. Easy installation, expandable structure, diversity in product types make them preferred in many branches of the industry. Project-specific solutions, flexible design and production structure are also among the reasons affecting this preference. It is one of the most preferred products in electricity distribution systems with its safe use and maintenance-free structure. It is preferred in places where people live mostly.

Technical Features

TYPE	SF6 GAS INSULATED MODULAR SWITCHGEAR (MSF)
		MODULE L	MODULE F	MODULE C	MODULE M	UNIT LFF-3		UNIT LLC-3
Rated Voltage		24 kV- 36 kV	24 kV- 36 kV	24 kV- 36 kV	24 kV- 36 kV	24 kV- 36 kV		24 kV- 36 kV
Rated Lightning Impact Resistance Voltage		630 A	200 A	630 A	630 A (ATR Hücre)	200/630 A		630 A
Short Term Withstand Current	24 kV	21 kA/3 sn	–	21 kA/3 sn	16 kA/1 sn	21 kA/3 sn		21 kA/3 sn
Short Term Withstand Current	36 kV	16 kA/1-3 sn	–	16 kA/1-3 sn	16 kA/1 sn	16 kA/1-3 sn		16 kA/1-3 sn
Short Circuit Opening Current						L	F	L	C
	24 kV	–	20 kA	21 kA	–	–	20 kA	–	21 kA
	36 kV	–	16 kA	16 kA	–	16 kA		16 kA
Short Circuit Closing Current	24 kV	52,5 kA	50 kA	52,5 kA	–	L	F	L	C
	24 kV	52,5 kA	50 kA	52,5 kA	–	52,5 kA	50 kA	52,5 kA	52,5 kA
	36 kV	40 kA	40 kA	40 kA	–	L	F	L	C
	36 kV	40 kA	40 kA	40 kA	–	40 kA	40 kA	40 kA	40 kA
Power Frequency Withstand Voltage (1 min.)	24 kV	50-60 kV
Power Frequency Withstand Voltage (1 min.)	36 kV	70-80 kV
Lightning Impulse Voltage (kV Peak)	24 kV	125-145 kV
Lightning Impulse Voltage (kV Peak)	36 kV	170-195 kV
Protection Class		IP3X	IP3X	IP3X	IP3X	IP3X	IP3X	IP3X	IP3X

Product Types

MSF: SF6 Gas Insulated Modular Switchgears Product Types

PRODUCT CODE	PRODUCT NAME
MSF-001	C Module SF6 gas insulated input-output switchgear with vacuum breaker
MSF-002	F Module SF6 gas insulated transformer protection switchgear with disconnector and fuse
MSF-003	L Module SF6 gas insulated input-output switchgear with load separator
MSF-004	M Module air-insulated measuring unit
MSF-005	LLC 3 Unit SF6 gas insulated compact switchgear with vacuum breaker
MSF-006	LLF 3 Unit SF6 gas insulated fused compact unit

Standarts
IEC 62271	High Voltage Switchgear and Controlgear – Common Features
IEC 62271-200	High Voltage Switching and Control Scheme (up to 52kV AC)
IEC 62271-100	Alternating Current Circuit Breakers
IEC 62271-102	Alternating Current Disconnectors and Earthing Switches
IEC 62271-105	Alternating Current Switch Fuse Components
IEC 61869-2	Current Transformers
IEC 61869-3	Voltage Transformers
IEC 60273	Support Insulators
IEC 60051	Electrical Dimensions Instruments
IEC 60255	Secondary Protection Relays
IEC 61243-1	Voltage Determination Systems

SF6 Gas Insulated Modular Switchgears

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Technical Features

Product Types

Related Standards

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