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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Product Advantages

Reliable Performance

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

Powerful Function

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

High Customization

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

High Cost Performance

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

Product Advantages

Reliable Performance

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

Powerful Function

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

High Customization

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

High Cost Performance

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

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

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

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

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

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

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
Notes	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
Item	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
Item	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

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

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
Rated Current	Vertical Cabinet	630 A
Rated Short-Time Withstand Current	Hanging Box	10 kA/1s
Rated Short-Time Withstand Current	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

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

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

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
Rated Current	Branch Busbar	A	630	630
Rated Short-Time Withstand Current	Main Circuit	kA/s	25/2	20/4
Rated Short-Time Withstand Current	Grounding Circuit	kA/s	25/2	20/4
Rated Short-Time Withstand Current	Main Circuit	kA/s	20/4	20/4
Rated Short-Time Withstand Current	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

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

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

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

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

Accessory Products

Dense Busbar

DC Panel

Distribution Box

High and Low Voltage Switchgear Series

Product Advantages

Reliable Performance

Powerful Function

High Customization

High Cost Performance

Product Advantages

Reliable Performance

Powerful Function

High Customization

High Cost Performance

Application Scenario

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

UniSafe Medium Voltage Switchgear

Safe-S Gas(SF6) Insulated Switchgear

MNS2.0 Low Voltage Switchgear

MDrail-E Distribution Box

KYN61-40.5 Medium Voltage Switchgear

KYN28A-12 Medium Voltage Switchgear

HXGN Gas (SF6) Insulated Switchgear

N2X Gas(N2) Insulated Switchgear

GCK/GCS/MLS Low Voltage Withdrawable Switchgear

GGD Low Voltage Fixed Switchgear

SGL Low Voltage Power Cabinet

JXF Distribution Box

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