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Combined Fixed AC Metal-clad RMU Switchgear HXGN1A-12

  • Units in Stock: 100

Combined Fixed AC Metal-clad RMU Switchgear HXGN1A-12

HXGN1A-12 Combined (Fixed) AC Metal-clad RMU Switchgear (hereafter referred to as "Ring Main Unit") is an indoor integrated power distribution equipment which are applied to RM power supply and terminal power supply system of 6-10KV three-phase AC and 50HZ. It is suitable for places such as industrial and mining enterprises, residential district, high rise buildings, schools, parks, etc to accept and distribute power supply. This RMU is up to GB3906-91, [3-35KV AC Metal-clad Switchgear]  and  IEC 298 standard [Alternative Current Metal-clad Switchgear and control-gear from 1kV to 52kV, including 52kV]. At the same time, it has the closedown function of  "Five protection" .

Product feature :
      a. RMU is made up of electric elements, body and inter-lock mechanism. It could be operated on the left side or right side, if not requested specially, please supply the products by right operation.
      b. The main components include FN12-12D load switch with side mechanism or FN12-12RD composite apparatus, current transformer, voltage transformer and HV electricity indicator etc.
Ring main unit is composed of frame, roof plates, faceplates and side plates which are made of bent steel plates.
      c. The busbar could be made of copper or aluminum.

Type designation :

 Combined Fixed AC Metal-clad RMU Switchgear

Technical parameter :

No.

Name

Unit

Technical parameter

1

Rated voltage

kV

12

2

Rated frequency

Hz

50

3

Rated current of main busbar

A

630

4

Rated short-time withstand current

kA

20£¨2s£©

5

Rated short-time withstand current of earthing circuit

kA

20£¨2s£©

6

Rated peak withstand current

kA

50

7

Rated peak withstand current of earthing circuit

kA

50

8

Rated short circuit making current of main circuit

kA

50

9

Rated short circuit breaking current of fuse

kA

31.5

10

Mechanical endurance

times

2000

11

1min power frequency withstand voltage  phase to earth, phase to phase/isolating distance

kV

42/48

12

Lightning impulse withstand voltage  phase to earth£¬phase to phase/isolating distance

kV

75/85

13

1min power frequency withstand voltage of secondary circuit

V

2000