Product Manual 2025 (V1.3)

well-designed Craftsmanshi Personalized Use confidence

1 . SEH-12, SNR01-12, SNR01-12-VVV D ry air insulated metal enclosed switchgear

SEH-12 (state grid standardization)

Product technical features

Access line cabinet Pt cupboard

Dry air insulation,

vacuum interruption

Gwp is 0, environmentally friendly, no sf6 and its

decomposition products;

Self-development It has a number of invention and utility model patents.

The air box uses epoxy resin with higher thermal aging

temperature as the insulation material, and no solid

sealing, semi-solid sealing and plastic parts and other

composite insulation to ensure that the product has low

partial discharge and good reliability during long-term

operation;

Reliable mechanical,

electrical interlocking

and anti-internal arc

design

Operation and maintenance personnel operation safety;

Building block design Flexible scheme, easy to expand, simple on-site

installation, easy maintenance;

Good environmental

adaptability

Suitable for high altitude, high salt fog, high dust and

high humidity areas;

Adapt to standards Comply with gb, dl and iec standards.

SNR01-12 (compact) Product technical parameters table

Order

number Project Unit Parameter

1 Rated voltage kV 12

2 Rated frequency Hz 50/60

3 Rated current A 630

4 Rated short circuit breaking

current

kA 20

5 Rated power frequency short time

withstand voltage (1min)

kV 42/48

6 Rated lightning impulse withstand

voltage (peak)

kV 75/85

1

SNR01-12-VVV (conventional box

type)

7 Insulating gas / Dry air

8 Gas pressure (abs) MPa 0.10/0.11/0.12

9

Rated short time withstand current

and duration

kA/s 20/4

10 Rated peak withstand current kA 50

11 Structural style / C -GIS

12 Gas chamber structure / Single chamber

13

External

dimensions

(depth ×

width ×

height)

SEH-12 mm×mm×mm

850×420×2000

SNR01-12 785×350×1600

SNR01-12VVV 780×1050×1600

2 . N2C (SEG) -12 D ry air insulated metal closed switchgear

N2C(SEG)-12

Product technical features

Access line cabinet

Pressure

transformer (pt)

cabinet

Dry air insulation,

vacuum interruption

Gwp is 0, environmentally friendly, no sf6 and its

decomposition products;

Self-development It has a number of invention and utility model patents,

good insulation performance, 0 table pressure power

frequency withstand voltage up to 42kv;

Reliable mechanical,

electrical interlocking

and anti-internal arc

design

Operation and maintenance personnel operation

safety;

Building block design Flexible scheme, easy to expand, simple on-site

installation, easy maintenance;

Good environmental

adaptability

Suitable for high altitude, high salt fog, high dust and

high humidity areas;

Adapt to standards Meet gb, dl and iec standards.

2

Segmented circuit

breaker cabinet

Segmented

isolation cabinet Product technical parameters table

Order

number Project Unit Parameter

1 Rated voltage kV 12

2 Rated frequency Hz 50/60

3 Rated current A 1250

4 Rated short circuit breaking

current

kA 31.5

5

Rated short-time withstand

voltage at power frequency

(1min)

kV 42/48

6 Rated lightning impulse

withstand voltage (peak)

kV 75/85

7 Insulating gas / Dry air

8 Gas pressure (abs) MPa 0.10/0.11/0.12

9

Rated short time withstand

current and duration

kA/s 31.5/4

10 Rated peak withstand current kA 80

11 Structural style / C -GIS

12 Gas chamber structure / Single chamber

13 External dimensions (depth ×

width× height) mm×mm×mm 980×500×2250

3

3 . SNC01-17.5 Dry air insulated metal closed switchgear

SNC01-17.5

Product technical features

Access line cabinet

Pressure

transformer (pt)

cabinet

Dry air insulation,

vacuum interruption

Gwp is 0, environmentally friendly, no sf6 and its

decomposition products;

Self-development It has a number of invention and utility model patents,

good insulation performance, 0 table pressure power

frequency withstand voltage up to 42kv;

Reliable mechanical,

electrical interlocking

and anti-internal arc

design

Operation and maintenance personnel operation safety;

Building block design Flexible scheme, easy to expand, simple on-site

installation, easy maintenance;

Good environmental

adaptability

Suitable for high altitude, high salt fog, high dust and

high humidity areas;

Adapt to standards Meet gb, dl and iec standards.

Dry air insulation,

vacuum interruption

Gwp is 0, environmentally friendly, no sf6 and its

decomposition products;

Segmented circuit

breaker cabinet

Segmented

isolation cabinet Product technical parameters table

Order

numbe

r

Project Unit Parameter

1 Rated voltage kV 17.5

2 Rated frequency Hz 50（60）

3 Rated current A 1250

4 Rated short circuit breaking

current

kA 31.5

5

Rated short-time withstand

voltage at power frequency

(1min)

kV 38/45

6 Rated lightning impulse

withstand voltage (peak)

kV 95/110

4

7 Insulating gas / Dry air

8 Gas pressure (abs) MPa 0.10/0.11/0.12

9

Rated short time withstand

current and duration kA/s 31.5/4

10 Rated peak withstand current kA 82

11 Structural style / C-GIS

12 Gas chamber structure / Single chamber

13 External dimensions (depth ×

width× height) mmxmmxmm 980×500×2250

5

4.SNC01-24 Dry air insulated metal closed switchgear

SNC01-24

Product technical features

Access line cabinet

Pressure

transformer (pt)

cabinet

Dry air insulation,

vacuum interruption

Gwp is 0, environmentally friendly, no sf6 and its

decomposition products;

Self-development It has a number of invention and utility model patents,

good insulation performance, 0 table pressure power

frequency withstand voltage up to 42kv;

Reliable mechanical,

electrical interlocking

and anti-internal arc

design

Operation and maintenance personnel operation

safety;

Building block design Flexible scheme, easy to expand, simple on-site

installation, easy maintenance;

Good environmental

adaptability

Suitable for high altitude, high salt fog, high dust and

high humidity areas;

Adapt to standards Meet gb, dl and iec standards.

Dry air insulation,

vacuum interruption

Gwp is 0, environmentally friendly, no sf6 and its

decomposition products;

Segmented circuit

breaker cabinet

Segmented

isolation cabinet Product technical parameters table

Order

numbe

r

Project Unit Parameter

1 Rated voltage kV 24

2 Rated frequency Hz 50（60）

3 Rated current A 1250

4 Rated short circuit breaking

current

kA 31.5

5

Rated short-time withstand

voltage at power frequency

(1min)

kV 65/79

6 Rated lightning impulse

withstand voltage (peak)

kV 125/145

6

7 Insulating gas / Dry air

8 Gas pressure (abs) MPa 0.10/0.11/0.12

9

Rated short time withstand

current and duration kA/s 31.5/4

10 Rated peak withstand current kA 82

11 Structural style / C-GIS

12 Gas chamber structure / Single chamber

13 External dimensions (depth ×

width× height) mmxmmxmm 980×600×2250

7

5.SNG01-12 D ry air insulated metal closed switchgear

SNG01-12

Product technical features

Entry cabinet Outlets

self-development

Using GIS structure, natural air cooling (1.1X4000A),

light weight, width 900mm (input line, contact

cabinet), 600mm (output line cabinet, PT cabinet);

Dry air insulation,

vacuum interruption

GWP is 0, environmentally friendly, no SF6 and its

decomposition products;

Isolation switch and

circuit breaker gas

chamber are separated

It guarantees the reliability of power supply and can

be widely used in 110kV substation 12kV outgoing

line as an alternative to central cabinet;

building block design

Flexible scheme, easy to expand, simple on-site

installation, easy maintenance;

Reliable mechanical,

electrical interlocking

and anti-internal arc

design

Operation and maintenance personnel operation

safety;

Good environmental

adaptability

Suitable for high altitude, high salt fog, high dust and

high humidity areas;

Adapt to standards Meet GB, DL and IEC standards.

Segmented circuit

breaker cabinet

Segmented

isolation cabinet Product technical parameters table

order

num

ber

project unit parameter

1 Rated voltage kV 12

2 Rated frequency Hz 50/60

3 Rated current A 1250/2500/3150/4000

4 Rated short circuit breaking

current

kA 40

5

Rated short-time withstand

voltage at power frequency

(1min)

kV 42/48

6 Rated lightning impulse withstand

voltage (peak)

kV 75/85

8

7 Insulating gas / Dry air

8 Gas pressure MPa

0.17(0.30)/0.18(0.32)/0.20

(0.35)

9

Rated short time withstand

current and duration

kA/s 40/4

10 Rated peak withstand current kA 100

11 Structural style / GIS

12 Gas chamber structure / Double chamber

13 External dimensions (depth ×

width × height) mm×mm×mm 1900×900(600)×2400

9

6 . SNG11 (2)-27.5 Dry air insulated metal-enclosed switchgear

SNG11(2)-27.5

Product technical features Single phase single pole incoming and

outgoing cabinet

Self-development

The GIS structure is compact and lightweight; the

single-phase single-pole cabinet is wide

500mm, single phase double pole cabinet width 700mm;

Dry air insulation,

vacuum interruption

GWP is 0, environmentally friendly, no SF6 and its

decomposition products;

The gas chamber of the isolating switch is separated from

the gas chamber of the circuit breaker to ensure reliable

power supply

Dual chamber, modular

design

Sex; the scheme is flexible, easy to expand, and the

incoming and outgoing lines can meet four groups and more The requirements; simple on-site installation, easy

maintenance;

Reliable mechanical and

electrical interlocks

Operation and maintenance personnel operation safety;

Anti-internal arc design

Good environmental

adaptability

Suitable for high altitude, high salt fog, high dust and

high humidity areas;

Adapt to standards Meet GB, TB, DL and IEC standards.

Single phase bipolar incoming and

outgoing cabinet Product technical parameter table

order

number project unit parameter

1 Rated voltage kV 27.5/2X27.5

2 Rated frequency Hz 50/60

3 Rated current A 1250/2500

4

Rated short circuit

breaking current

kA 31.5

5

Rated short-time

withstand voltage at

power frequency (1min)

kV 95/118

6 Rated lightning impulse

withstand voltage (peak)

kV 200/220

10

7 Insulating gas / Dry air

8 Gas pressure (abs) MPa 0.17(0.30)/0.18(0.31)/0.20

(0.35)

9

Rated short time withstand

current and duration

kA/s 31.5/4

10 Rated peak withstand

current

kA 80

11 structural style / GIS

12 Gas chamber structure / Multiple chambers

13

External dimensions

(depth× width× height) mm×mm×mm 1400×700(500)×2250

7 . SNG21-40.5 Dry air insulated metal-enclosed switchgear

SNG21-40.5

Product technical features

Access line cabinet

self-development

Using GIS structure, compact structure, light weight,

cabinet width 800mm;

Dry air insulation,

vacuum interruption

GWP is 0, environmentally friendly, no SF6 and its

decomposition products;

The gas chamber of the isolating switch is separated from

the gas chamber of the circuit breaker to ensure reliable

power supply

Dual chambers, modular

design

Sex; flexible scheme, easy to expand; simple on-site

installation, maintenance

convenience;

Reliable mechanical and

electrical interlocks

Operation and maintenance personnel operation safety;

Anti internal arc design

Good environmental

adaptability

Suitable for high altitude, high salt fog, high dust and

high humidity areas;

Adapt to standards Meet GB, DL and IEC standards.

11

Product technical parameters table

order

number project unit parameter

1 Rated voltage kV 40.5

2 Rated frequency Hz 50/60

3 Rated current A 1250/2500

4

Rated short circuit

breaking current

kA 31.5

5

Rated power frequency

short time withstand

voltage (1min)

kV 95/118

6 Rated lightning impulse

withstand voltage (peak)

kV 185/215

7 Insulating gas / Dry air

8 Gas pressure (abs) MPa 0.17(0.30)/0.18(0.31)/0.20

(0.35)

9

Rated short time withstand

current and duration

kA/s 31.5/4

10 Rated peak withstand

current

kA 80

11 Structural style / GIS

12 Gas chamber structure / Multiple chambers

13

External dimensions

(depth× width × height) mm×mm×mm 1500×800×2560

12

8 . SNG31-72.5 Dry air insulated metal enclosed switchgear

SNG31-72.5

Product technical features

One in, one out One in, two out

Using GIS structure, the structure is compact, only

1040mm wide and heavy

Self-development

Quantity 1.8t; different from C-GIS structure, the

product is used for long-term partial discharge

Low, high reliability;

Dry air insulation,

vacuum interruption

GWP is 0, environmentally friendly, no SF6 and its

decomposition products;

building block design

Flexible scheme, simple on-site installation, easy

maintenance;

Reliable mechanical and

electrical interlocks

Operation safety of operation personnel;

Anti internal arc design

Adapt to standards Meet GB, DL and IEC standards.

One in, two out Product technical parameters table

order

number project unit parameter

1 Rated voltage kV 72.5

2 Rated frequency Hz 50/60

3 Rated current A 1250

4 Rated short circuit breaking

current

kA 31.5

5

Rated short-time withstand

voltage at power frequency

(1min)

kV 160/160+42

6 Rated lightning impulse

withstand voltage (peak)

kV 380/380+59

7 Insulating gas / Dry air

8 Gas pressure (abs) MPa 0.42/0.43/0.45

9

Rated short time withstand

current and duration

kA/s 31.5/3

10 Rated peak withstand current kA 80

11 Structural style / GIS

12 Gas chamber structure / Multiple chambers

13 External dimensions mm×mm×mm 2620×1040×2490

13

Rated

voltage

Rated current, breaking current

630A，20kA 1250A，31.5kA 2500，31.5kA 4000A，40kA

12kV

SHE-12 SNR01-12 SNR01-12-VVV N2C(SEG)-12 SNG01-12

17.5kV

SNC01-17.5(Z)/T1250-31.5

24kV

SNC01-24/T1250-31.5

27.5kV

SNG11(2)-27.5/T2500-31.5

40.5kV

SNG21-40.5/T2500-31.5

72.5kV

SNG31-72.5/T1250-31.5

14