Products

       At first from material and material supplier after a rigorous selection process, we choice all right         components for each items, we have advanced workshop, quality control system, specially custom         design engineers. OEM/ODM is welcome and can be done in donghua.
All Product
  Switching Power Supply
  Single Output (Universal Switching Power Supply)
Model:
HSM-15 HSM-35
HS-15 (Recommend HSM-15) HS-25 (Recommend HSC-25)
HS-35 (Recommend HSM-35) HS-35T
HS-40 (Recommend HSC-50) HS-45 (Recommend HS-50B)
HS-50 (Recommend HS-50B) HS-50B
HS-60 (Recommend HSC-75) HS-75 (Recommend HSC-75)
HS-100 HS-100B
HS-100F ( no stock,need custom-made) HS-145
HS-150 (Recommend HS-150B) HS-150B
HS-201T HS-250T
HS-320 HS-350 (Horizontal direction)
HS-350T (Vertical direction terminal block ) HS-600
HSE-600 HSCN-600 (Recommend HSE-600)
HSCN-800 HSCN-1200
HSCN-1500
Function:
Function: Low price, complete protection function, the CN series: can be used in parallel series to increase power, 40%-100% output voltage is adjustable, there are universal AC input/full range, and 110/220VAC selected by switch, when choosing, please refer to the specifications of concrete parameters table.
  Single Output (Green Switching Power Supply)
Model:
HSC-15 HSC-25
HSC-35 HSC-50
HSC-75 HSC-100
HSC-150
Function:
Function: Small size, ultra low standby power consumption ( conform to the European energy star), high reliability, universal AC input full range(150W selected by switch), complete protection function,high efficiency, applicable to a demanding work environment.
  Single Output (PFC Switching Power Supply)
Model:
HSP-75 HSP-100
HSP-150 HSP-200
HSP-300 HSP-320
HSP-500
Function:
Function: Universal AC input/full range, complete protection function, built in motive PFC function.
  Single Output (PFC & series-parallel connection Switching Power Supply)
Model:
HPSP-500 HPSP-1000
HPSP-1500
Function:
Function: high power, universal AC input/full range, complete protection function, built in motive PFC function, can be used in parallel series to increase the power.
  Single Output (Din Rail Switching Power Supply)
Model:
HDR-30 HDR-45
HDR-60 HDR-75
HDR-120 HDRP-240
HDRP-480
Function:
Function: universal AC input/full range, double isolated grade, safety, consumption low without load, standard Din-rail installation.
  Single Output (LED Switching Power Supply)
Model:
HS-100K-5 HS-120K-5
Function:
Functionopen frame, complete protection function, high efficiency, high reliability, apply to LED power supply.
  Single Output(Open-frame Switching Power supply)
Model:
HPS-25 HPS-45
HPS-65 HPSL-50
HPSPL-100
Function:
Function: open-frame, small size, universal AC input/full range, complete protection function, above 100W built in PFC, apply to terminal equipment.
  Rain-proof Switching Power Supply
Model:
HS-100R HS-150R
HS-250R HS-350R
Function:
Function: Outdoor rain-proof structure, complete protection function, high efficiency, high reliability, suitable as LED power supply.
  Waterproof Switching Power Supply
Model:
HVU-12 (AL case, universal AC input full range) HVU-20 (AL case, universal AC input full range)
HVU-30 (AL case, universal AC input full range) HVU-50 (AL case, universal AC input full range)
HVU-60 (AL case, universal AC input full range) ) HVU-80 (AL case, universal AC input full range) )
HVH-100 (AL case, high voltage AC input) HVH-150 (AL case, high voltage AC input)
HVH-200 (AL case, high voltage AC input) HVH-250 (AL case, high voltage AC input)
HVH-300 (AL case, high voltage AC input) HCH-20 (AL case, constant current) )
HCH-30 (AL case, constant current) ) HCH-60 (AL case, constant current) )
HCH-80 (AL case, constant current) ) HCH-100 (AL case, constant current) )
HVH-12N (Plastic box, high voltage AC input) HVU-20N (Plastic box, universal AC input full range)
HVH-20N (Plastic box, high voltage AC input) HVH-30N (Plastic box, high voltage AC input)
HVU-35N (Plastic box, universal AC input full range)
Function:
Function: Protection grade IP67, complete protection Function, high efficiency, high reliability. use in LED lighting, electronic advertising display and etc.
  Dual Output Switching Power Supply
Model:
HD-30 (Recommend HDC-35) HDC-35 (mini type)
HD-50 (Recommend HDC-50) HDC-50 (mini type)
HID-50 HD-60 (Recommend HDC-75)
HDC-75 (mini type) HD-100
HD-120
Function:
Function: complete protection function, universal AC input/full range, when choosing, please refer to the specifications of concrete parameters table.
  Dual Output open frame Switching Power Supply
Model:
HPD-25 HPD-45
HPD-65
Function:
Function: open-frame, small size, universal AC input/full range, complete protection function, apply to terminal equipment.
  Triple Output witching Power Supply
Model:
HT-30 (Recommend HTC-35) HTC-35 (mini type)
HT-40 (Recommend HTC-50) HT-50 (Recommend HTC-50)
HTC-50 (mini type) HT-60 (Recommend HTC-75)
HTC-75 (mini type) HT-100
Function:
Function: complete protection function, universal AC input/full range, when choosing, please refer to the specifications of concrete parameters table.
  Quad Output witching Power Supply
Model:
HQ-60 HQ-120
Function:
Function: sale for more than 15 years, an old model in the market.
  Isolation Switch
  DGL load-isolation
Model:
DGL-40 DGL-63
DGL-100 DGL-125
DGL-160 DGL-200
DGL-250 DGL-315
DGL-400 DGL-500
DGL-630 DGL-1000
DGL-1250 DGL-1600
DGL-2000 DGL-2500
DGL-3150 DGL-4000
Function:
Single-throw Isolation Switch. Front operation. Full-enclosed and modular design. Operation of three poles, four poles, inside the cabinet and outside the cabinet. Connect mode of before or back the board.
  DGLC Series Load Isolation Switch
Model:
DGLC-125 DGLC-160
DGLC-200 DGLC-250
DGLC-315 DGLC-400
DGLC-500 DGLC-630
DGLC-1000 DGLC-1250
DGLC-1600 DGLC-2000
DGLC-2500 DGLC-3150
DGLC-4000
Function:
Single-throw Isolation Switch.Lateral operation. Totally-enclosed and modular design. Operation of three poles, four poles, inside the cabinet, outside the cabinet and back the cabinet. Connect mode of before or back the board.
  DGLZ1 Change-over Load Isolation Switch
Model:
DGLZ1-100 DGLZ1-125
DGLZ1-160 DGLZ1-200
DGLZ1-250 DGLZ1-315
DGLZ1-400 DGLZ1-500
DGLZ1-630 DGLZ1-1000
DGLZ1-1250 DGLZ1-1600
DGLZ1-2000 DGLZ1-2500
DGLZ1-3150 DGLZ1-4000
Function:
Dual-throw Isolation Switch. It is of right-and-left structure. Front operation. Totally-enclosed and modular design. Operation of three poles, four poles, inside the cabinet and outside the cabinet. Connect mode of before the board.
  DGLZ2 Change-over Load Isolation Switch
Model:
DGLZ2-125 DGLZ2-160
DGLZ2-200 DGLZ2-250
DGLZ2-315 DGLZ2-400
DGLZ2-500 DGLZ2-630
DGLZ2-1000 DGLZ2-1250
DGLZ2-1600
Function:
Dual-throw Isolation Switch. It is of right-and-left structure. Front operation. Totally-enclosed and modular design. Operation of three poles, four poles, inside the cabinet and outside the cabinet. Connect mode of before the board.
  DGLR Fuse Group of Isolation Switch
Model:
DGLR-63 DGLR-125
DGLR-160 DGLR-200
DGLR-250 DGLR-315
DGLR-400 DGLR-500
DGLR-630
Function:
Single-throw Fuse Isolation Switch. Front operation. Totally-enclosed and modular design. Operation of three poles, four poles, inside the cabinet and outside the cabinet. Connect mode of before or back the board. The protective cover of the fuse is made from polycarbonate sheer material in order to observe the working condition of the fuse.
  DGLCK Lateral-operation Isolation Switch
Model:
DGLCK-125 DGLCK-160
DGLCK-200 DGLCK-250
DGLCK-315 DGLCK-400
DGLCK-500 DGLCK-630
DGLCK-1000 DGLCK-1250
DGLCK-1600 DGLCK-2000
DGLCK-2500 DGLCK-3150
Function:
Single-throw Isolation Switch.Lateral operation. Totally-enclosed and modular design. Operation of three poles, four poles, inside the cabinet, outside the cabinet and back the cabinet. Connect mode of before or back the board. There is a window to observe whether the contact is connecting or broken.
  DGLH Cabinet-operation Isolation Switch
Model:
DGLH-125 DGLH-160
DGLH-200 DGLH-250
DGLH-315 DGLH-400
DGLH-500 DGLH-630
DGLH-1000 DGLH-1250
DGLH-1600
Function:
Single-throw Isolation Switch. Front operation. Totally-enclosed and modular design. Operation of three poles, four poles, after the cabinet. Connect mode of before the board or after the cabinet.
  DGLB Back Board Connecting Isolation Switch
Model:
DGLB-125 DGLB-160
DGLB-200 DGLB-250
DGLB-315 DGLB-400
DGLB-500 DGLB-630
DGLB-1000 DGLB-1250
DGLB-1600
Function:
Single-throw Isolation Switch. Front operation. Totally-enclosed and modular design. Operation of three poles, four poles, inside and outside the cabinet. Connect mode of after the board.
  Isolation Switch Fuse Set
  HH15(QSA)
Model:
HH15(QSA)-63A HH15(QSA)-125A
HH15(QSA)-160A HH15(QSA)-250A
HH15(QSA)-400A HH15(QSA)-630A
HH15(QSA)-800A HH15(QSA)-1000A
HH15(QSA)-1250A
Function:
Single-throw Fuse Isolation Switch. Isolation Switch is series by fuse link and two groups of contacts. Four breaks with high connecting and breaking ability. Full-enclosed arc extinction system. Without flash-over. Multiple break dual contacts system. Multi-leaf spring to store up energy, switch operation is independent of manpower. Small cubage, large capacity, more safer and reliable. Four breaks with high connecting and breaking ability.
  HA(QA)
Model:
HA(QA)-125A HA(QA)-160A
HA(QA)-200A HA(QA)-400A
HA(QA)-630A HA(QA)-1000A
Function:
Single-throw Isolation Switch. Isolation Switch is series directly by external cu plate instead of fuse link. Four breaks with high connecting and breaking ability. Full-enclosed arc extinction system. Without flash-over. Multiple break dual contacts system. Multi-leaf spring to store up energy, switch operation is independent of manpower. Small cubage, large capacity, more safer and reliable. Four breaks with high connecting and breaking ability.
  HP(QP)
Model:
HP(QP)-250A HP(QP)-630A
HP(QP)-1000A HP(QP)-1250A
HP(QP)-1600A HP(QP)-2500A
HP(QP)-3150A
Function:
Single-throw Isolation Switch. Isolation Switch is parallel connected by two groups of contacts, with low breaking ability, but with large current capacity. It can reach to highest of 3150A. Full-enclosed arc extinction system. Without flash-over. Multiple break dual contacts system. Multi-leaf spring to store up energy, switch operation is independent of manpower. Small cubage, large capacity, more safer and reliable. Four breaks with high connecting and breaking ability.
  HAS(QAS)
Model:
HAS(QAS)-125A HAS(QAS)-160A
HAS(QAS)-200A HAS(QAS)-400A
HAS(QAS)-630A HAS(QAS)-1000A
Function:
Dual-throw Isolation Switch. It is of right-and-left structure.Isolation Switch is series directly by external cu plate instead of fuse link.Four breaks with high connecting and breaking ability. Full-enclosed arc extinction system. Without flash-over. Multiple break dual contacts system. Multi-leaf spring to store up energy, switch operation is independent of manpower. Small cubage, large capacity, more safer and reliable. Four breaks with high connecting and breaking ability.
  HPS(QPS)
Model:
HPS(QPS)-250A HPS(QPS)-630A
HPS(QPS)-1000A HPS(QPS)-1250A
HPS(QPS)-1600A HPS(QPS)-2500A
HPS(QPS)-3150A
Function:
Dual-throw Isolation Switch. It is of right-and-left structure.Isolation switch is parallel connected by two groups of contacts, with low breaking ability, but with large current capacity. It can reach to highest of 3150A. Full-enclosed arc extinction system. Without flash-over. Multiple break dual contacts system. Multi-leaf spring to store up energy, switch operation is independent of manpower. Small cubage, large capacity, more safer and reliable. Four breaks with high connecting and breaking ability.
  HH15S(QSAS)
Model:
HH15S(QSAS)-63A HH15S(QSAS)-125A
HH15S(QSAS)-160A HH15S(QSAS)-250A
HH15S(QSAS)-400A HH15S(QSAS)-630A
Function:
Dual-throw Fuse Isolation Switch. It is of right-and-left structure. Dual-throw switch uses a unique dual-throw linkage mechanism to control two switches abreast installed, and then achieve the aim of conversion of the two power supplies. Isolation Switch is series by fuse link and two groups of contacts. Four breaks with high connecting and breaking ability. Full-enclosed arc extinction system. Without flash-over. Multiple break dual contacts system. Multi-leaf spring to store up energy, switch operation is independent of manpower. Small cubage, large capacity, more safer and reliable. Four breaks with high connecting and breaking ability.
  Fuse Type Isolation Switch
  HR5 Series Fuse Type Isolating Switch
Model:
HR5-100 HR5-200
HR5-400 HR5-630
Function:
Used For distribution circuit and electric motor circuit with high short circuit current. As a power supply switch, isolation switch and UPS switch for circuit protection, but usually not apply to power on/off single electric motor directly
  HR6 Series Fuse Type Isolating Switch
Model:
HR6-160 HR6-250
HR6-400 HR6-630
Function:
Each low voltage distribution network, mainly used as wire, cable over load and short circuit protection, also can protect the electric equipment.
  HR17 Series Fuse Type Isolation Switch
Model:
HR17-160 HR17-250
HR17-400 HR17-630
HR17B-160 HR17B-250
HR17B-400 HR17B-630
Function:
Each low voltage distribution network, mainly used as wire, cable over load and short circuit protection, also can protect the electric equipment.
  HHT10 Series Strip fuse-switch-disconnector
Model:
HHT10-100A HHT10-200A
HHT10-400A HHT10-600A
Function:
The switch is mainly used in low voltage distribution return circuit, as a protection of operation with load and isolated equipment. This switch does not apply to set up and shut down the single electric motor
  Fuses
  Fuse technical data
Model:
Fuse technical data
Function:
Each low voltage distribution network, mainly used as wire, cable over load and short circuit protection, also can protect the electric equipment.
  NT、NH、RT16 series fuse
Model:
NT Fuses link NH Fuses link
NT-Fuse bases NH-Fuse bases
Function:
New type fuse, small dimension, light weight, less power-consumption, high breaking capacity. Using in electric equipment for overload and short circuit protection.
  RTO series fuse
Model:
RTO Fuses link RTO Fuse bases
Function:
Each low voltage distribution network, mainly used as wire, cable over load and short circuit protection, also can protect the electric equipment.
  Cylindrical contact cap Series Fuse(RT14、RT18、ZT18、RT9)
Model:
Cylindrical Fuse Links RT14 Fuse bases
RT18 Mounting fuse bases for cylindrical fuse links ZT18 Mounting fuse bases for cylindrical fuse links
RT19 Fuse bases
Function:
Each low voltage distribution network, mainly used as wire, cable over load and short circuit protection, also can protect the electric equipment.
  Screw type Series Fuse
Model:
DO Fuses link D0-Flush mounting fuse bases D01/D02/D03, single-pole
D1、D11、D111 Fuses link D1、D11、D111 Screw Type Fuses Base
Function:
Each low voltage distribution network, mainly used as wire, cable over load and short circuit protection, also can protect the electric equipment.
  Square-pipe fuse link
Model:
NGT Fuses link RSO Fuses link
Function:
Each low voltage distribution network, mainly used as wire, cable over load and short circuit protection, also can protect the electric equipment.
  Bolt type Series Fuse
Model:
Bolting Type Fuses-A Bolting Type Fuses-B
Bolting Type Fuses-C
Function:
Each low voltage distribution network, mainly used as wire, cable over load and short circuit protection, also can protect the electric equipment.
  High voltage fuse
Model:
H.V.HRC current-limiting fuses type S for transformer protection H.V.HRC current-limiting fuses type S for transformer protection
H.V.HRC.current-limiting fuses type W for motor protection H.V HRC current-limiting fuses type F for transformer protection
H.V HRC current-limiting Fuses type XRNP for transformer protection H.V HRC current-limiting Fuses type OXRNP for transformer protection
Function:
Each low voltage distribution network, mainly used as wire, cable over load and short circuit protection, also can protect the electric equipment.
  High Voltage Transformer
  High voltage -Voltage transformer(Indoor cast type)
Model:
JDZ-3、6、10 JDZJ-3、6、10
JDZ10-3、6、10 JDZX10-3、6、10
JDZX10-3、6、10A1 JDZ9-3、6、10
JDZ9X-3、6、10 JDZC-6、10(DC)
JDZ11-20 JDZX11-20
JDZ9-35 JDZX9-35
JDZX18-3、6、10R JDZ9-3、6、10R
JSZV1-3、6、10
Function:
Cast-resin insulation, suitable for power measurement, voltage monitoring and relay protection. High quality, good price, small dimension, easy installation, high accuracy, strong anti-over voltage capacitor, operate reliability
  High voltage -Voltage transformer
Model:
JDN2-35 JDXN2-35
Function:
Oil-immersed insulation, suitable for power measurement, voltage monitoring and relay protection. Strong withload capacity, high accuracy, strong anti-over voltage, steady function, operate reliability
  High voltage -Voltage transformer(Outdoor cast type)
Model:
JDZW-3、6、10 JDZXW9-35
JDZ(X)W-35
Function:
Cast-resin insulation, suitable for power measurement, voltage monitoring and relay protection. High quality, good price, easy installation, strong withload capacity, high accuracy, strong anti-over voltage capacitor, operate reliability
  High voltage -Current transformer(Indoor cast type)
Model:
LZZBJ9-10(C ) LZZBJ9-10A
LZZBJ9-12/150b/2(4) LZZBJ9-12/175b/2(4)
LZZBJ9-12/185b/2(4) LZZBJ9-10C2
LZZ(J)B6-10Q LZZJ-10Q
LFS(Q)-10Q LZZX-10
LZX-10(G) LZJC-10(Q)
LQZBJ-10、LQJ8-10 LA-10Q
LAJ-10(Q) LAZBJ-10Q
LMZ(J)1-10 LZZB9-24/180b/2(4)
LZZB9-24/220b/2(4) LCZ-35Q
LZZB7-35 LZZBJ9-35
LZZBJ4-35
Function:
Cast-resin insulation, suitable for power measurement, current monitoring and relay protection. High quality, good price, small dimension, easy installation, more class, big capacity, high accuracy, high dynamic stability, operate reliability
  High voltage -Current transformer(Outdoor cast type)
Model:
LZZBW-10 LZZBW-35B1(B2)
Function:
Cast-resin insulation, suitable for power measurement, current monitoring and relay protection. High quality, good price, small dimension, easy installation, oilless, more function, big capacity, high accuracy, high dynamic stability, operate reliability
  High voltage -Current transformer(Oil-immersed type)
Model:
LABN6-35
Function:
Oil-immersed insulation, suitable for power measurement, voltage monitoring and relay protection. Good performance, more winding, more ratio, big current, more class, big capacity, high accuracy, high dynamic stability, operate reliability
  Zero-sequence transformer
Model:
LXK-φ80 LJ-2(4、7)
LJ-φ75
Function:
Suitable for cable earthing protection. Low price, high protect sensitivity, small dimension, good performance, easy installation.
  Discharge coil
Model:
FDGE8 FEGE9
Function:
When power capacitor power off, discharge electric quickly to protect people and equipment safety, dry type oilless, high quality and good price, easy installation, operate reliability
  Low Voltage Transformer
  Low voltage transformer
Model:
LKZB-0.5 LMK3-0.66
LMZ3-0.66 LMZ1,2-0.66
LMZ(J)1-0.66 LMZ(J)1-0.5
LQZJ1(4,5)-0.66 JDZ-1
JDG4-0.5
Function:
Suitable for power measurement, voltage monitoring and relay protection. Low price, high accuracy, good performance, operate reliability
  High voltage measuring box
  High voltage measuring box
Model:
JLS-10 JLS-35
JLSZ1-10 JLSZVW-10
Function:
Using in active and reactive power measurement, high quality and good price, easy installation, free-maintenance, electric larceny-proof, high accuracy, operate reliability, strong anti-big current inrush