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 Resources

Rated Voltage

up to 36kV

Rated Normal Current

up to 630A

Short Circuit withstand

upto 25kA

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

URING modular switchgear

URING compact switchgear

Eaton Ulusoy URING Modular Ring Main Unit

Easy and safe usage

The electrical and mechanical interlocks prevent unintended access to the energized sections, keeping personnel and equipment safe in daily operations. As tested at accredited laboratories, the operating staff would not be impacted during the unlikely event of an arc flash.

Specifications

Technical information

Rated voltage		12kV	24kV	36kV
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	kA peak	52,5	52,5	40
Protection degree	Enclosure SF6 Tank	IP3X IP68	IP3X IP68	IP3X IP68

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Rated voltage		12kV	24kV	36kV
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	kA peak	52,5	52,5	40
Protection degree	Enclosure SF6 Tank	IP3X IP68	IP3X IP68	IP3X IP68

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Ulusoy URING