Congratrulations! Haibian Power Equipment Co., Ltd. has 12kv & 24kv Gas insulated Switchgear successfully finished STL Membership ASTA test items.

HP-SRM-12/24/33 GAS Insulated Metal-enclosed Combined Electrical Switchgear

HP-SRM-12/24/33 GAS Insulated Metal-enclosed Combined Electrical Switchgear
HP-SRM-12/24/33 GAS Insulated Metal-enclosed Combined Electrical Switchgear HP-SRM-12/24/33 GAS Insulated Metal-enclosed Combined Electrical Switchgear

HP-SRM-12/24 series of ring main unit is SF6 gas-insulated metal common tank enclosed switchgear, consisting of load break switch unit, load break switch fuse combination electrical unit, vacuum circuit breaker unit, and the incoming line unit of bus. It adopts a range of advanced technologies and materials, with excellent electrical and mechanical properties, less affected by environment and climate, in small size, easy to install, easy to operate, with no need of maintenance, and can be flexibly combined. Its clear and intuitive design ensures simple and direct operation, the feeder's connection capacity is large, suitable for a variety of wiring systems.

Unit Definition

Unit code Meaning
C Standard single casing load break switch unit
F Load break switch and fuse combination
V Apparatus unit
D Cable unit(without switch)
+ Side casing of busbar
- Top casing of busbar
SL Bus couple unit
M Metering unit
PT PT unit
1K2(4) Double-sleeve outgoing load break switch unit

Technical Specification

Item

Unit

Load break switch unit

Combination apparatus

Fuse unit

Rated voltage

kV

12/24/33

12/24/33

12/24/33

Rated frequency

Hz

50

50

50

Rated current

A

630

Depend on rated current of fuse

630

P.F.withstand voltage( phase to phase,phase to earth )

 

42/65/95

42/65/95

42/65/95

Ated insulation levels

P.F.withstand voltage(Across open contacts)

kV

-

48/79/118

48/79/118

48/79/118

Lightning impulse withstand voltage( phase to phase,phase to earth)

 

2/2

2/2

2/2

Lightning impulse withstand voltage( phase to phase,phase to earth)

 

75/125/185

75/125/185

75/125/185

Across open contacts

 

85/145/215

85/145/215

85/145/215

Ogauge pressure test

 

Pass

Pass

Pass

Rated short time withstand current

kA

20/4s/20/3s

-

20/4s/20/3s

Rated peak withstand current

kA

63

--

63

Rated short circuit making current

kA

50 or 63

Subject to high-voltage fuse

50

Rated short circuit breaking current

kA

-

Subject to high-voltage fuse

20/20

Rated transform current

A

-

1750/1400

-

Rated active load breaking current

A

630

-

-

Rated Closed loop breaking current

A

630

-

63

Mechanical life

Load break switch/breaker

Time

5000

5000

10000

lsolating switch/earthing switch

 

5000

5000

5000

Loop resistance

μΩ

≤120

-

≤120

Lnflation pressure

Rated inflation pressure(absolute pressure)

Bar

1.3/1.4

1.3/1.4

1.3/1.4

Minimum inflation pressure(absolute pressure)

 

1.2

1.2

1.2

Relative rate leakage of gas

%

≤0.02/0.05

≤0.02/0.05

≤0.02/0.05

Remark: 1.Neutral point earthing system through low resistance

2 :Neutral point earthing/non-earthing system through arc suppression coil

Other Data

Normal ambient conditions Sfe pressure 0.4bar, below 20℃
Ambient temperature Leakage rate per year <0.25%/year
Maximum temperature    +50℃ Protection degree  
24hours average +35℃  SF6gas chamber IP67
Minimum temperature  -40℃ Switchgear cover IP67
Humidity    
Maximum relative    
Average humidity    

Switch Structure And Size

Unit:mm

Model Width Depth Height a b c Weight
C+ 371 751 1336 1146 710 510 136
1K2(4) 426 820 480 420 420 510 182
2C+ 696 751 1336 1146 710 510 206
3C 1021 751 1336 1146 710 510 300
4C 1346 751 1336 1146 710 510 390
5C 1671 751 1336 1146 710 510 486
F 371 751 1336 1146 710 510 164
V 371 751 1336 1146 710 460 230

Remarks:All above is only for reference(please refer to Technology Department for 20kv switchgear parameter)

Feedback

Skype
WhatsApp
8613757784972
Email
sales@chhp.cc
Phone
0086-577-61810866
Enquiry
TOP