4. MAIN FEATURES
5. SWITCHGEAR MAIN EQUIPMENTS
URING12-24 RMU is a SF6 insulated ring main unit for the secondary distribution networks. URING12-24
can be supplied in a number of different configurations suitable for most switching applications in 12/24 kV
distribution network.
The URING12-24 RMU has a completely sealed system with a stainless steel tank containing all the live parts
and switching functions with SF6 gas. A sealed steel tank with constant atmospheric conditions ensures a
high level of reliability as well as personal safety and a virtually maintenance-free system. URING12-24 LLF
is 3 way unit in a single SF6 tank. Two incoming-outgoing unit with LBS and one transformer
protection unit with fuse combination. This is 3 way design. URING12-24 RMU can be designed up to 5 way
unit as extensible or non extensible system. Switching device in URING12-24 is three positioning (close-openearthed)
LBS. It has high number of switching operation and high short circuit withstand.
1
1 -
LV Panel
2 -
Voltage Indicator
3 -
Manuel Opening & Closing Buttons
4 -
Spring Charging Hole
5 -
Switch & Earth Switch Position Indicator
6 -
Earth Switch Operation Hole
13 -
Annunciator
14 -
Holes for Crain
15 -
SF6 Valve
16 -
Remote Controller Socket
17 -
Motor & Manuel Selection Switch
18 -
LV Panel Cover Button
19 -
Cable Bushings (Interface-C)
20 -
Cable Clamps
21 -
MV Fuse Holders
22 -
Cable Bushings (Interface-A)
23 -
Earth Bar
7 -
Earthing Bar
8 -
Fuse Status Indicator
9 -
Door Handle
10 -
Stainless Steel SF6 Tank
11 -
Operation Sequence
12 -
Manometer
2
4
5
6
7
8
9
10
11
12
13
14
15
16
18
17
3
19
20
21
22
23
4
Ulusoy URING12-24 - LLF - SF Insulated Compact RMU Switchgear with Fuse User Manual
May 2020 www.eaton.com
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