Medium Voltage Secondary RMU

Ulusoy URING is a gas insulated ring main unit for the secondary distribution networks. It can be supplied in various different configurations applicable for most switching applications in 24/36kV radial distribution networks. With its compact, and modular type combinations Ulusoy URING provides integrated solutions for most switching applications including secondary power distribution networks, solar and wind farm industry as well as commercial buildings, residential and related construction areas.

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Overview Technical

Rated Voltage

up to 36kV

Rated Normal Current

up to 630A

Peak Short Circuit Current

up to 52,5kA peak

Core features

Advanced technology design and production

Compact and extendable variants fulfill all user demands
The frame consists of 3mm thick stainless steel, guaranteeing airtightness
High quality raw materials and sourced parts

Increased operator safety

In the unlikely event of an arc flash, the robust structure ensures that personnel stays unharmed
Ergonomic front panel
A combination of electrical and mechanical interlocks prevents unintended access to the energized sections

Flexible services and spare parts

All parts used in the Ulusoy URING series (including epoxy bushings, fuse tubes and silicon caps) are manufactured at Eaton factories
Quick response and cost-effective fulfilment of spare part and service requests due to in-house manufacturing

Use easily and safely with its basic interlocking system

Mechanical and electrical interlocks are supported with warning prints and the possibility of any incorrect maneuver in the switch gears and access to energized sections has been completely prevented.

Control panel & mimic diagram

Due to its simple usage, easy and clear mimic diagram, RMU’s have a user friendly interface. Protection, measurement and control elements have been placed ergonomically into the control board.

Safety and operation

During a possible internal arc, dynamic and thermic impacts that may be subject to the operating staff have been completely removed and this situation has been documented by means of the tests carried out by international accredited laboratories.

Specifications

Technical Information

URING Series SF6 Insulated Modular Switchgear

Rated Voltage	kV	'12	'24	36
Network Frequency Withstand Voltage 1 min	kV	28	50	70
Clearance	kV	32	60	80
Lightning Impulse Withstand Voltage (1,2/50 μs)	kV	75	125	170
Clearance	kV	85	145	195
Rated Current	A	630	200	630
Rated Short Circuit Withstand Current	kA	21kA/3 sec	21kA/3 sec	16kA/3 sec
Peak Short Circuit Current	kApeak	52,5	52,5	40
Protection Degree	Enclosure SF6 Tank	IP3X IP68	IP3X IP68	IP3X IP68

URING Series SF6 Gas Insulated Compact Switchgear

Rated Voltage	kV	'12	'24	36
Network Frequency Withstand Voltage 1 min	kV	28	70	70
Clearance	kV	32	125	80
Lightning Impulse Withstand Voltage (1,2/50 μs)	kV	75	145	170
Clearance	kV	85	85	195
Rated Current	A	630	630	630
Rated Short Circuit Withstand Current	kA	21kA/3 sec	21kA/3 sec	16kA/3 sec
Peak Short Circuit Current	kApeak	52,5	52,5	40
Protection Degree	Enclosure SF6 Tank	IP3X IP68	IP3X IP68	IP3X IP68

URING Series SF6 Gas Insulated Switchgear (Outdoor Type)

Rated Voltage	kV	'24
Network Frequency Withstand Voltage 1 min	kV	50
Ayırma Aralığında (Açık kontaklar arasında)	kV	60
Clearance	kV	125
Lightnin Impulse Withstand Voltage (1,2/50 μs	kV	145
Clearance	A	630
Rated Current	kV	21kA/3 sn
Rated Short Circuit Withstand Current	kA	21
Rated Short Circuit Breaking Current	kApeak	52,5
Peak Short Circuit Current	kA	21

Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, we’re accelerating the planet’s transition to renewable energy and helping to solve the world’s most urgent power management challenges.

Ulusoy URING