High and Low Voltage Switchgear Series

High and low voltage switchgear is an important component of the power system, assembled in a certain combination and order to form a complete distribution system, mainly used for distribution, transmission, and protection of the power system.

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Reliable Performance

For decades, hundreds of thousands of products have served various industries, providing safe and reliable distribution systems for numerous customers

High and Low Voltage Switchgear Series

Powerful Function

Provide professional solutions according to different application scenarios to meet the diverse electricity needs of customers

Powerful function

High Customization

Fully understand customer needs and tailor solutions for each customer and project

High and Low Voltage Switchgear Series

High Cost Performance

Continuous research and development innovation, optimized product design, and providing customers with higher cost-effective products

High cost performance

Application Scenario

High and Low Voltage Complete Set Switch Product Series

Commercial Building

Medical Education

Industrial Production

Data Center

  • MVnex Medium Voltage Switchgear
  • RM AirSeT Gas Insulated Switchgear
  • BlokSeT Low Voltage Switchgear
  • Prisma E Distribution Box

MVnex Medium Voltage Switchgear

MVnex Medium Voltage Switchgear

Item Unit Data
Rated Voltage kV 3.6~12
Rated Insulation Level Power Frequency Withstand Voltage
(50Hz，1min)		 kV 42
Lightning Impulse Withstand Voltage
(1.2/50)		 kV 75
Rated Current Busbar A 630~4000
Circuit Breaker A 630~4000
Contactor A 400
Rated Heat Stable Withstand Current (4 seconds) kA 25-31.5-40
Rated Peak Withstand Current kA 63-80-100
 Protection Degree Shell IP4X
Compartment IP2X
Dimensions (mm)
400A (Contactor) Height 2250
Width 650
Depth Upward Incoming Line 1600
Lower Incoming Line 1400
630/1250A-31.5kA Height 2250
Width 650
Depth Upward Incoming Line 1600
Lower Incoming Line 1400
630/2000A Height 2250
Width 800
Depth Upward Incoming Line 1600
Lower Incoming Line 1400
2500/3150A Height 2250
Width 1000
Depth Upward Incoming Line 1600
Lower Incoming Line 1400
4000A Height 2250
Width 1000
Depth Upward Incoming Line 1600
Lower Incoming Line 1600

RM AirSeT Gas Insulated Switchgear

RM AirSeT Gas Insulated Switchgear

Insulation and Disconnection
Switching Technology Parallel Vacuum Interruption Technology (SVI) TM or Vacuum Circuit Breaker
Operational Principle 3-station Load Switch
Disconnect the Medium Vacuum Arc Extinguishing Chamber
Insulation Medium Dry Air(1)
Relative Inflation Pressure 20℃, 12kV MPa 0.04
Insulation Level – Withstand Voltage
Rated Voltage Ur kV 12
Rated Frequency fr Hz 50
Rated Power Frequency Withstand Voltage Ud Alternate Phases
&
to Earth		 kV 42
Across the Isolating Distance (1min RMS) 48
Rated Lightning Impulse Withstand Voltage Up Alternate Phases
&
to Earth		 kV 75
(1.2μs)
Across the Isolating Distance 85
Current
Rated Current—Busbar Ir Meet 1.1 Ir 630A
Short-time Withstand Current Ik kA 20
Duration tk/tke s 4s/3s
Rated Peak Withstand Current Ip kA 50
Protection Degree
External Shell in Accordance with GB/T 4208 Standard Air Box IP67
Cable Room IP4X
Mechanism Room IP4X
Low Voltage Room IP4X
Internal Compliance with GB/T 4208 Standard Compartment IP2X
Mechanical Impact Protection Level
IK Code Meets the GB/T 20138 Rating IK07
Internal Arc Fault Tolerance
Basics Not Classified
A-level A FL Front and Side kA 20
A FLR Front, Side and Back kA 20
Duration s 1s
Recycling Precautions
Non-recyclable Parts: Maximum Ratio of Volume/Weight (Solid Insulation, Spray Materials…) ＜1%/＜5%
Other Materials (Steel, Stainless Steel, Copper, Aluminum, Recyclable Composite Materials…) 100% Recyclable
Specific Processing Procedures for Gas Operation/Recovery No Harmful Gases (air only)
No SF6 Technology Gas Insulated Switchgear: Housing Definition Meets GB/T 3906 Standard Yes – Seal Pressure System GIS
Service Life Year 40（2）
Note:
(1) Pure air from the factory (dried, filtered, pressurized) does not require further air replenishment.
(2) Under normal usage conditions specified in GB/T11022

BlokSeT Low Voltage Switchgear

BlokSeT Low Voltage Switchgear

Item Data
Rated Insulation Voltage (Ui) 1000V
Rated Operating Voltage (Ue) 400/690*V AC
Rated Frequency (F) 50/60 Hz
Rated Pulse Voltage (Uimp) 12kV
Rated Auxiliary Circuit Voltage 230 V AC max.
Overpressure Grade IV
Pollution Level 3
Rated Value of Horizontal Busbar Up to 7000A
Rated Value of Vertical Busbar Up to 3200A
Horizontal Busbar Rated Short-Time Withstand Current (lcw/1s) 30/50/65/80/100 kA
Rated Peak Withstand Current (lpk) 63/105/143/176/220 kA
Vertical Busbar Rated Short-Time Withstand Current (lcw/1s) 30/50/65/70/85 kA
Rated Peak Withstand Current (lpk) 63/105/143/154/187 kA
Internal Combustion Arc Personal Protection IEC 61641 V3 85kA 0.5s (lpc arc), 65kA 0.3s (lp arc)
Seismic Capacity Up to GB/T2424.25 Earthquake Intensity of 9 Degrees
Grounding System TT-IT-TNS-TNC
Maximum Incoming and Outgoing Line Switch 6300 A

Prisma E Distribution Box

Prisma E Distribution

Electrical Characteristics
Rated Current (A) 630 (1)
Rated Insulation Voltage Ui (V AC) 1000
Rated Operating Voltage (V AC) 400V/440V
Rated Impulse Withstand Voltage (kV) 8
Frequency (Hz) 50/60
Rated Short-Time Withstand Current (kA/1s) 20
Rated Peak Withstand Current (kA) 42
Mechanical Characteristic
Total Height (mm) 500 700 900 1100 1300 1650 1850
Vertical Modulus 8 12 16 20 24 28 32
1 module =50 mm
Depth (mm) 235
Depth of Concealed Cabinet Installation (mm) 220
Cabinet Width (mm) 600
Separation Form 1
Door Type Solid Door, Double Door, Glass Door
IP Level(3) 30/31/40/41/54
IK Level(4) 07/10
Applicable Standard
Type Test GB/T 7251.1 and GB/T 7251.12
IP Level IEC60529
Empty Cabinet Standard GB/T 20641
Ambient Condition
Operation Indoor
Maximum Altitude (m) 2000
Average Ambient Temperature (° C) 35
Pollution Level 3
Other
Cabinet Material Cold Rolled Steel Plate
Coating Electrostatic Spraying Epoxy Resin Powder
Colour RAL7035 (industrial ash)
The Insulation Material Inside The Cabinet High Temperature Resistance and Flame Retardancy
Notes
For other size specifications, please consult relevant personnel from Senda.
(1) The concealed cabinet only covers 160A current;
(2) The concealed cabinet and door opening scheme only includes 8M~24M;
(3) The concealed cabinet covers IP30 and IP40; The open door covers IP30, IP31, IP40, IP41;
(4) IK07 without a door and IK10 with a door.
  • UniSafe Medium Voltage Switchgear
  • Safe-S Gas(SF6) Insulated Switchgear
  • MNS2.0 Low Voltage Switchgear
  • MDrail-E Distribution Box

UniSafe Medium Voltage Switchgear

UniSafe Medium Voltage Switchgear

Item Unit Data
Rated Voltage kV 3.6~12
Power Frequency Withstand Voltage (1min) kV 42
Lightning Impulse Withstand Voltage kV 75
Rated Current of Busbar A 1250…4000
Rated Current of Circuit Breaker A 630…4000
Rated Current of Contactor A 630…4000
Rated Short-Term Withstand Current of Circuit Breaker kA/s 31.5/4
Rated Short-Term Withstand Current of Grounding Switch kA/s 31.5/4
Rated Peak Withstand Current kA 80
Anti-internal Combustion Arc Withstand Current kA (1s)

kA (0.5s)

 31.5

50
Grade E2/M2
Protection Degree IP4X
Compartment Protection Class IP2X
Dimensions Height (H) Depth (D) Width (W)
1250A 2160 1550 600
2000A 750
2500A 1000
4000A 2160 1600 1000

Safe-S Gas(SF6) Insulated Switchgear

Safe-S Gas(SF6) Insulated Switchgear

SF6 Gas Pressure 1.4 Bar at 20℃ (Absolute Pressure)
Annual Leakage Rate 0.25‰/ Year
Immersion Test Apply a Pressure of 0.3 Bar underwater at 24kV for 24 Hours
Arc Test 20kA 1s
Protection Degree SF6 Gas Chamber IP67
Fuse Cartridge IP67
Switch Cabinet Housing IP3X (IP4X Selectable)
Humidness Maximum Average Relative Humidity
24-Hour Measurement ≤95%
1-Month Measurement ≤90%
Altitude (1) ≤1500 m (Under Standard Inflation Pressure)
Notes 1. This product can fully meet the technical specifications requirements of China State Grid Corporation
2. When electrical equipment is installed at an altitude of 1500 meters or above, please choose high-altitude products from this series.
Item C Module V Module
Load
Switch		 Vacuum Switch Isolation/
Grounding Switch
Rated Voltage kV 12/24 12/24 12/24
Power Frequency
Withstand Voltage kV		 42/50 42/50 42/50
lightning Impulse
Withstand Voltage kV		 95/125 95/125 95/125
Rated Current A 630/630 630/630
Item F Module CB Module
Combination Electrical Appliances Vacuum Circuit Breaker Isolation/
Grounding Switch
Rated Voltage kV 12/24 12/24 12/24
Power Frequency
Withstand Voltage kV		 42/50 42/50 42/50
lightning Impulse
Withstand Voltage kV		 95/125 95/125 95/125
Rated Current A (1) 1250/800

MNS2.0 Low Voltage Switchgear

MNS2.0 Low Voltage Switchgear

Item Data
Rated Insulation Voltage (Ui) 1000V
Rated Operating Voltage (Ue) 400/690*V AC
Rated Frequency 50/60 Hz
Rated Pulse Voltage (Uimp) 12kV
Rated Auxiliary Circuit Voltage 230 V AC max.
Overpressure Grade IV
Pollution Level 3
Rated Value of Horizontal Busbar Up to 7000A
Rated Value of Vertical Busbar Up to 3200A
Horizontal Busbar Rated Short-Time Withstand Current (lcw/1s) 30/50/65/80/100 kA
Rated Peak Withstand Current (lpk) 63/105/143/176/220 kA
Vertical Busbar Rated Short-Time Withstand Current (lcw/1s) 30/50/65/70/85 kA
Rated Peak Withstand Current (lpk) 63/105/143/154/187 kA
Internal Combustion Arc Personal Protection IEC 61641 V3 85kA 0.5s (lpc arc), 65kA 0.3s (lpc arc)
Seismic Capacity Up to GB/T2424.25 Earthquake Intensity of 9 Degrees
Grounding System TT-IT-TNS-TNC
Maximum Incoming and Outgoing Line Switch 6300 A

MDrail-E Distribution Box

MDrail-E Distribution Box

Item Data
Product Standard GB 7251.1,
GB 7251.12,
IEC 61439-1,
IEC 61439-2
Maximum Rated Insulation Voltage 1000 V AC
Rated Operating Voltage 400 V/690 V AC
Rated Current Hanging Box 250 / 400 A
Vertical Cabinet 630 A
Rated Short-Time Withstand Current Hanging Box 10 kA/1s
Vertical Cabinet 20 kA/1s
Cabinet Door Type Metal Doors
Glass Doors
Double Doors
Protection Degree TO IP54 (30/31/40/41)
Cabinet Size
(Hanging Box)		 Recommended Height 500-1000 mm
Recommended Width 400-800 mm
Recommended Depth 190/240/290 mm
Cabinet Size
(Vertical Cabinet)		 Recommended Height 1400-2000 mm
Recommended Width 400-800 mm
Recommended Depth 340/440 mm
  • KYN61-40.5 Medium Voltage Switchgear
  • KYN28A-12 Medium Voltage Switchgear
  • HXGN Gas (SF6) Insulated Switchgear
  • N2X Gas(N2) Insulated Switchgear

KYN61-40.5 Medium Voltage Switchgear

KYN61-40.5 Medium Voltage Switchgear

Item Unit Data
Rated Voltage kV 40.5
Rated Frequency Hz 50/60
Main Busbar Rated Current A 1250, 1600, 2000, 2500
Branch Busbar Rated Current A 630, 1250, 1600, 2000, 2500
Rated Insulation Level kV Between Phases and to Earth Isolating Fracture
Rated (1min) Power Frequency Withstand Voltage 95 118
Rated Lightning Impulse Withstand Voltage (Peak) 185 215
Auxiliary and Control Circuit (1min) Power Frequency Withstand Voltage 2
Rated Short-Circuit Breaking Current kA 25, 31.5
Rated Short-Circuit Making Current (Peak) 63, 80
Rated Short-Time Withstand Current (4s) 25, 31.5
Rated Peak Withstand Current 63, 80
Protection Degree – Ousing IP4X, Compartment and Circuit Breaker Room Doors Open to IP2X
Dimensions (W×D×H) mm 1400×2800 (3000) ×2600
Note: The cabinet depth of 3000mm is an overhead solution

KYN28A-12 Medium Voltage Switchgear

KYN28A-12 Medium Voltage Switchgear

Item Unit Data
Rated Voltage kV 3.6~12
Rated Frequency Hz 50/60
Rated Insulation Level 1min Power Frequency Withstand Voltage kV 42/48 (Across The Isolating Distance)
Lightning Impulse Withstand Voltage kV 75/85 (Across The Isolating Distance)
Main Busbar Rated Current A 630, 1250, 1600, 2000, 2500, 3150, 4000
Rated Short-Term Withstand Current of The Main Busbar kA 20, 25, 31.5, 40
Rated Short-Circuit Duration of The Main Busbar S 4
Rated Short-Term Withstand Current of Grounding Circuit kA Determined based on 86.7% of the rated short-term withstand current of the main busbar
Rated Short-Circuit Duration of Grounding Circuit S 2
Rated Short-Circuit Breaking Current kA 20, 25, 31.5, 40
 Protection Degree Housing IP4X, Circuit Breaker Room Door Open to IP2X

Notes:

1. The rated current/rated short-term withstand current of the functional unit depends on the corresponding rated value of the component with the smallest rated current/rated short-term withstand current connected in series in the main circuit of the unit；

2. The rated peak withstand current is 2.5 times the rated short-circuit breaking current；

3. The peak rated short-circuit making current is 2.5 times the rated short-circuit breaking current；

4. Rated current 3150A and above with forced air cooling.
Dimensions and Weight
Height (mm) 2240 (Without Headed)
Width (mm) Rated Current≤1250A 800
Rated Current>1250A 1000
Depth (mm) Cable (Bottom) Incoming and Outgoing Lines (Excluding Doors) 1450
Cable (Upper) Incoming and Outgoing Lines (Excluding Doors) 1610
Incoming and Outgoing Lines on Overhead Busbars (Excluding Doors) 1750
Weight (kg) 800~1200

HXGN Gas (SF6) Insulated Switchgear

HXGN Gas (SF6) Insulated Switchgear

Item Unit Data
Rated Voltage kV 12 24 (1)
Rated Lightning Impulse
Withstand Voltage		 kV 75 125
Across the Isolating Distance kV 85 145
One Minute Power Frequency
Withstand Voltage		 kV 42 65
Across the Isolating Distance kV 48 79
Rated Frequency Hz 50, 60 50, 60
Rated Current Main Busbar A 1250 630
Branch Busbar A 630 630
Rated Short-Time Withstand Current Main Circuit kA/s 25/2 20/4
Grounding Circuit kA/s 25/2 20/4
Rated Short-Time Withstand Current Main Circuit kA/s 20/4 20/4
Grounding Circuit kA/s 20/4 20/4
 Protection Degree IP3X/IP4X IP3X/IP4X
Load Switch Mechanical Life times 2000/5000 2000/5000
Grounding Switch Mechanical Life times 2000 2000
Ambient Temperature Highest ℃ +40 +40
24-hour Average ℃ +35 +35
Minimum ℃ -15 -15
Installation Altitude m ≤1000 ≤1000
Dimensions
Load Switch Cabinet Width mm 375, 500, 750
Depth mm 1000
Height mm 1635, 1885
Low Voltage Chamber Height mm 450
Circuit Breaker Cabinet Width mm 650
Depth mm 1280
Height mm 1885

N2X Gas(N2) Insulated Switchgear

N2X Gas(N2) Insulated Switchgear

Item Unit Data
Rated Voltage kV 3.6~12
Rated Current A    630, 1250 2000, 2500 3150
Rated Frequency Hz 50/60
Rated Power Frequency Withstand Voltage (eff.) (1) Between Phases and to Earth kV 42
Across The Isolating Distance kV 48
Rated Lightning Impulse Withstand Voltage (Peak) (1) Between Phases and to Earth kV 75
Cross The Isolating Distance kV 85
Rated Short-Circuit Breaking Current kA 25/31.5/40
Rated Short-Circuit Making Current (Peak) kA 63/80/100
Rated Short-Time Withstand Current kA 25/31.5/40
Rated Duration of Short-Circuit s 4
Rated Peak Withstand Current kA 63/80/100
Rated Cable-Charging Breaking Current A 25
Rated Operating Sequences O-0.3s-CO-180s-CO
Insulation Gas N2
Rated Filling Gas Pressure (abs.20℃) MPa 0.12
Alarm Pressure (abs.20℃) MPa 0.11
Minimum Operating Pressure (abs.20℃) MPa 0.10
Annual Leakage Rate %/Y <0.1
 Protection Degree High Voltage Live Parts IP65
Low Voltage Compartment IP4X
Rated Voltage of Auxiliary Circuit V DC24/48/110/220   AC220
Rated Power Frequency Withstand Voltage of Auxiliary Circuit (1min) kV 2
Dimensions Width (a) mm 500 800 900
Depth (b) mm 1050~1400
Height (c) mm ≥2300 (3)

Notes:

(1) The insulation level and breaking capability are tested under 0.1MPa of its minimum working pressure (abs. 20℃)

(2) Subjected to the incoming/outgoing cable quantity, CT type and PT connection ect

(3) Subjected to the panel function.
  • GCK/GCS/MLS Low Voltage Withdrawable Switchgear
  • GGD Low Voltage Fixed Switchgear
  • SGL Low Voltage Power Cabinet
  • JXF Distribution Box

GCK/GCS/MLS Low Voltage Withdrawable Switchgear

GCKGCSMLS Low Voltage Withdrawable Switchgear

Switch Cabinet Performance Parameters
Item Unit Data
Rated Voltage Ue V 380 (660)
Rated Insulation Voltage Ui V 660 (1000)
Rated Impulse Withstand Voltage Uimp kV 8
Rated Frequency Hz 50 (60)
Main Busbar Rated Current In A ≤6300
Main Bus Short-Term (1S) Withstand Current Icw kA ≤100
Main Busbar Peak Withstand Current lpk kA ≤220
Rated Current of Distribution Busbar (Vertical Busbar) In A 630, 800, 1000, 1250, 1600
Distribution Busbar (Vertical Busbar)
Short Time (1s) Withstand Current		 Icw kA ≤50
Distribution Busbar (Vertical Busbar) Peak Withstand Current lpk kA ≤105
 Protection Degree IP40
Dimensions
Item Unit Data Notes
Height (H) mm 2200 The effective installation space for a single cabinet is 1800mm.
Width (W) mm 400, 600, 800, 1000, 1200 When the size is 400mm, it can‘t be used as an MCC cabinet.
Depth (D) mm 600, 800, 1000, 1200 When the size is 600mm, it can’t be used as a MCC cabinet.
Module E=25mm
Drawer Technical Parameters
Functional Unit Type 8E/4 8E/2 8E 12E 16E 24E
Number of Functional Units Installed in 8E Space 4 2 1
Maximum Functional Units
in a Single MCC Cabinet		 36 18 9 6  4 3
Rated Current Corresponding
to Functional Units (A)		 32 63 250 400 630 630
Notes:
1. The rated currents corresponding to the above drawer types are all within the reference range and may vary due to the complexity of the selected components or control circuits.
2. Beyond the above range, it can be determined through consultation with the company.

GGD Low Voltage Fixed Switchgear

GGD Low Voltage Fixed Switchgear

Model Number Rated Voltage (V) Rated Current (V) Rated Short-Circuit Breaking Current (kA) Rated Short-Time Withstand Current (1s) (kA) Rated Peak Withstand Current (kA)
GDD1 380/400 630~100 15 15 30
GDD2 1600~400 30 30 63
GDD3 3150~1600 65 65 143
GDD 6300~4000 100 100 220

SGL Low Voltage Power Cabinet

SGL Low Voltage Power Cabinet

Item Unit Data
Rated Voltage V 380 (660)
Rated Frequency Hz 50 (60)
Rated Insulation Voltage V 660 (1000)
Rated Current A ≤630
Busbar Rated Short-Term
Withstand Current		 kA/1s 15
Busbar Rated Peak
Withstand Current		 kA/0.1s 30
Busbar Three Phase Four Wire System A.B.C.PEN
Three Phase Five Wire System A.B.C.PE.N
 Protection Degree IP55
Dimensions (mm)
Height (H) 1600 1700 1800 2000
Width (W) 600, 700,
800		 600, 700,
800, 1000		 600, 700,
800, 1000		 700, 800, 1000
Depth (D) 350, 400,
450		 350, 400,
450		 350, 400,
450		 350, 400,
450, 600

JXF Distribution Box

JXF Distribution Box

Item Unit Data
Rated Voltage V 380/400
Rated Current A 400~6
Rated Frequency Hz 50/60
Rated Insulation Voltage V 660/690
Rated Short-Time Withstand Current  lcw kA 4
 Protection Degree IP30/IP40 (Indoor Type)
Dimensions (mm) Mounting Dimension (mm)
Height (H) 400~1000 H+68
Width (W) 400~800 W-40
Depth (D) 200/250

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