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  Product catalog    Application Pyranometer surface temperature sensor PV inverter Hybrid inverter HBI® pvBos® PV array combiner box IP65/67 Enclosure Surge protector PV fuse and holder DC switch disconnect Fireman switch DC MCCB for DC Application PV solar connector Blocking diode Solar PV cable PV solar charge controller Energy analyzer Management String monitor PV solar stringMoni® Insulation-Fault protection Safety shut-off solar panel Optimizer mppGuard® Wind speed direction anemometer Power Distribution Block Fire thermal fuse Tracker controller PV Offset Box pidBos® Battery management system essMoni® Floating PV mounting system TELCOM ESS Rain gauge Support Structure PV gateway Data Logger
Catalogue Certification declaration
File Name
SPD for wind turbines type

Product Description
SPD for wind turbines type

File Name
PSD Brochure

Product Description
Surge protector for supply system, photovoltaic, network, telecommunication, high energy Multi-Air-Gap and spark gap series for Class I, II, III application.

File Name


Product Description


File Name
TvssPro® E-series
Type 1, Type 2 Surge Protective Device

Product Description
Type 1, Type 2 Surge Protective Device, voltage from 120 to 600V, max. discharge current 50 to 1200KA, confirm to UL1449, certified by CSA C22.2#8 Weather proof NEMA4X, IP64

File Name
SURGE ARRESTERS FOR LED STREET LIGHT RL-3MVGT/390-10/S LED路燈用SPD

Product Description
SURGE ARRESTERS FOR LED STREET LIGHT RL-3MVGT/390-10/S LED路燈用SPD

File Name
JDA RL(3MV+G)-320-10S,SURGE ARRESTERS FOR LED STREET LIGHT

Product Description
JDA RL(3MV+G)-320-10S,SURGE ARRESTERS FOR LED STREET LIGHT

File Name
RJ45 CAT6 SURGE PROTECTOR EN-05RJ45HSCAT6

Product Description
RJ45 CAT6 SURGE PROTECTOR EN-05RJ45HSCAT6

File Name
CL12T-VL05BNC-PL220T/3F

Product Description
Integrated protection for power lines, control lines and video signal lines of the camera

File Name
8*MV50/320

Product Description
8*MV50/320

File Name
PVB12.5/1500-MVCDR

Product Description
Surge protector PVB12.5/1500-MVCDR

File Name
PV40/125-2V-R

Product Description
Surge protection for Common mode DC Surge arrester for DC system, max.discharge current 40KA, 170Vdc with aux. relay output.

File Name
PV20/48-MVCR

Product Description
Class II (C) DC arrester in according with IEC61643-1:2005.Two part design consisting of base and plug-in protection module. Differential and common protection mode.High energy MOV (Metal Oxide Varistor) inside.Reliable supervision due to disconnection device.Fault indication by red indication flag in window.Fast response.With remote alarm terminal.

File Name
PV20/24-MV-R

Product Description
Class II (C) DC arrester in according with IEC61643-1:2005.
Two part design consisting of base and plug-in protection module.
Common protection mode.
High energy MOV (Metal Oxide Varistor) inside.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal.


File Name
PV20/xx-MVCR

Product Description
Type 2 surge arrester designed for low voltage DC system against surges at the boundaries from lightning protection zone 0B-2and higher. ◎ In accordance with IEC61643-11 and UL1449-4th ◎ DC SPD for common mode protection ◎ Pluggable module design, easy replacement ◎ High discharge current 20kA 8/20 ◎ Reliable supervision due to disconnection device; ◎ Fault indication by red indication flag in window; ◎ With remote alarm terminal optional;

File Name
PV40/(48-100)-MVCR

Product Description
PV40/(48-100)-MVCR
In accordance with EN50539, IEC61643-11 and UL1449-4th
DC SPD for common mode protection
Pluggable module design, easy replacement
High discharge current 40kA 8/20
Reliable supervision due to disconnection device
Fault indication by red indication flag in window
With remote alarm terminal optional


File Name
PV40/100-MVCR

Product Description
Class II (C) DC arrester in according with IEC61643-1:2005.
Two part design consisting of base and plug-in protection module.
Common protection mode.
High energy MOV (Metal Oxide Varistor) inside.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal.


File Name
PV40/150-MVCR

Product Description
PV40/150-MVCR

File Name


Product Description


File Name
PV40/600-MVCR

Product Description
For solar PV generation system, max.discharge current 40KA, 600Vdc with aux. relay output.

File Name


Product Description


File Name
PV50/600-MVCR

Product Description
Class II (C) DC arrester in according with IEC61643-11 and UL1449-3rd.
Two part design consisting of base and plug-in protection module.
Common protection mode.
High energy MOV (Metal Oxide Varistor) inside.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal optional.


File Name
PV60/1500-MVCDR

Product Description
Surge protector PV60/1500-MVCDR

File Name
PV60/600-MVCR

Product Description
•Class II (C) DC arrester in according with IEC61643-1:2005.•Two part design consisting of base and plug-in protection module. •Common protection mode.•High energy MOV (Metal Oxide Varistor) inside.•Reliable supervision due to disconnection device.•Fault indication by red indication flag in window.•Fast response.•With remote alarm terminal optional.

File Name
PV40/1000-MVC (White Enclosure)

Product Description
PV40/1000-MVC (White Enclosure)

File Name
PV40/1000-MVCR (White Enclosure)

Product Description
PV40/1000-MVCR (White Enclosure)

File Name
PV40/1000-MVCR (Black Enclosure)

Product Description
PV40/1000-MVCR (Black Enclosure)

File Name
PV40/1000-MVCR (red/black Enclosure)

Product Description
PV40/1000-MVCR (red/black Enclosure)

File Name
PV15-1200-MVCDR

Product Description
Class II (C) DC arrester in accordance with IEC61643-11
Two part design consisting of base and plug-in protection module.
Differential and common protection mode.
High energy MOV (Metal Oxide Varistor) inside.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal.


File Name
PV25/600-MVCDR

Product Description
Class II (C) arrester in accordance with IEC61643-11:2011, UL1449 3rd.Two part design consisting of base and plug-in protection module. High energy MOV (Metal Oxide Varistor) inside.Reliable supervision due to disconnection device.Fault indication by red indication flag in window.Fast response.With remote alarm terminal optional.

File Name


Product Description


File Name


Product Description


File Name
PV40/1500-MVCDR

Product Description
For solar PV generation system, max.discharge current 40KA, 1500Vdc with aux. relay output.

File Name
PV40-1000-MVCD-R

Product Description
Surge protector PV40-1000-MVCD-R

File Name
PV50/1000-MVCDR

Product Description
PV50/1000-MVCDR

File Name
PV50/1000-MVCDR-Wiring on the side

Product Description
Surge protector for solar PV generation system, max.discharge current 40KA, 1000Vdc with aux. relay output.

File Name
PV50/1200-MVCDR

Product Description
DIN rail mountable and ease of installation
Innovative thermally protected MOV technology (Patent)
Quick thermal response self-protected design with internal arc extinguishing
Visual indicator
Maximum discharge current of 50 kA
Short circuit current rating (SCCR) 200KA without external Fuse or CB
Meet all requirements of UL 1449 3rd Edition
Remote indicator
In of 20kA


File Name
PV50/(600-1200)-MVCDR

Product Description
PV50/(600-1200)-MVCDR

File Name


Product Description


File Name


Product Description


File Name
PVxx-1500-MVCDR

Product Description
8/20us, In/Imax. 30/60KA Max. continuous operating voltage (Vdc):1500/1520 Operating temperature range:-40~+80℃

File Name


Product Description


File Name
D1-50/275-2MV-R

Product Description
Class II (C) arrester in according with IEC61643-11.
Two part design consisting of base and plug-in module.
High energy MOV (Metal Oxide Varistor) inside.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal.


File Name
D3/100-320-4MV(-R)

Product Description
8/20us, In/Imax. 40/80KA Max. continuous operating voltage (AC/DC):385/505 Operating temperature range:-40~+80℃

File Name
D3-30/380-4MV-R

Product Description
Class II (C) arrester in accordance with IEC61643-11:2011, UL1449 3rd.
Two part design consisting of base and plug-in protection module.
High energy MOV (Metal Oxide Varistor) inside.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal optional.


File Name
JDA電力突波吸收器 D3-40/440-4MV-R

Product Description
突波保護器(或稱突波吸收器)應用於太陽能光伏發電系統,最大放電電流30KA 440Vdc,附輔助電驛輸出。

File Name
D3-50(150550)3MV-R

Product Description
AC Surge protector, D3-50/275-3MV-R, type 1, SCCR) 200kA , UL1449-4th

File Name
D3-50-(150-550)-4MV-R

Product Description
Surge protector, D3-50-550-4MV-R,

File Name
D3-50-550-4MV-R

Product Description
Surge protector D3-50-550-4MV-R

File Name
D3-50-420-4MV-R

Product Description
Surge protector D3-50-420-4MV-R

File Name
D3-80-385-4MV-R

Product Description

8/20us, In/Imax. 40/80KA

Max. continuous operating voltage (AC/DC):385/505

Operating temperature range:-40~+80℃


File Name
D3-160/420-4MV-R

Product Description
D3-160/420-4MV-R

File Name
D1-20/275-VG-R

Product Description
Class II (C) arrester in according with IEC61643-11.
Two part design consisting of base and plug-in module.
High energy MOV (Metal Oxide Varistor) for L-N and GDT for N-PE.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal.


File Name
D1-50-150-VG-R

Product Description
Class I+II (B+C) arrester in accordance with IEC61643-11:2011, UL1449 3rd.
Two part design consisting of base and plug-in protection module.
High energy MOV (Metal Oxide Varistor) and Gas Discharge Tube (GDT) inside.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal optional.

File Name
D3-150/385-3VG-R

Product Description
Class II (C) arrester in accordance with IEC61643-11:2011, UL1449 3rd.
Two part design consisting of base and non-pluggable protection module.
High energy MOV (Metal Oxide Varistor) and GDT (Gas Discharge Tube) inside.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal


File Name
D3-100-385-4MVGT-R

Product Description
D3-100-385-4MVGT-R

File Name
D1-F10-175-5A-3P-C(-S).

Product Description
Surge arrester for low-voltage power supply system protection against surges at the boundaries from lightning protection zone 2-3 and higher

File Name
D3-50-(150-550)-3VG-R

Product Description
Class I+II (B+C) arrester in accordance with UL1449-4th,
Max. continuous operating voltage MCOV L-N (VAC/DC) 550/710, Enclosure material,extinguishing degree UL94 V-0, Operating temperature range, - 40ºC ~ + 80ºC,

File Name
D3-50-320-3VG-R

Product Description
Class I+II (B+C) arrester in accordance with IEC61643-11:2011, UL1449 3rd.
Two part design consisting of base and plug-in protection module.
High energy MOV (Metal Oxide Varistor) and Gas Discharge Tube (GDT) inside.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal optional.


File Name
D3-30/440-3VG-R

Product Description
Class II (C) arrester in accordance with IEC61643-11:2011, UL1449 3rd.
Two part design consisting of base and protection module including plug-in module and non-pluggable module
High energy MOV (Metal Oxide Varistor) and GDT (Gas Discharge Tube) inside.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal optional.


File Name


Product Description


File Name
D1-20/275-2MV-R

Product Description
Class II (C) arrester in according with IEC61643-11.
Two part design consisting of base and plug-in module.
High energy MOV (Metal Oxide Varistor) inside.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal.


File Name
D1-40/275-2MV-R

Product Description
Class II (C) arrester in according with IEC61643-11.
Two part design consisting of base and plug-in module.
High energy MOV (Metal Oxide Varistor) inside.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal.


File Name
D1-200/320-2MV-R

Product Description
Class I+II (B+C) arrester in according with IEC61643-1:2005.
Two part design consisting of base and non-pluggable protection module.
High energy MOV (Metal Oxide Varistor) inside.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal optional.


File Name
D1-20-180-S

Product Description
Class III (D) arrester in according with IEC61643-11:2011.


File Name
D3-40-440-3MV-R

Product Description
Data network protector in according with IEC61643:21-2005.
Standard design for double-wire systems / RS485
Limit the transients with gas discharge tubes and transzorb diodes.
Two-stage protection circuit.
In aluminium housing.
Terminal block connector for use in measuring, control and regulation systems.
Simple installati

File Name
D3-50-320-3MV-R

Product Description
Class I+II (B+C) arrester in accordance with IEC61643-11:2011.
Two part design consisting of base and plug-in protection module.
High energy MOV (Metal Oxide Varistor) inside.
Reliable supervision due to disconnection device.


File Name


Product Description


File Name
D3-60/440-4MV-R

Product Description
D3-60/440-4MV-R

File Name
D3-100/320-4MV-R

Product Description
Class II (C) arrester in accordance with EN50539-11, IEC61643-11:2011 and UL1449-3rd.
Imax 100KA 8/20 per pole, total Imax 400KA 8/20.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal.


File Name
D3-50-320-3VG-R

Product Description
Class I+II (B+C) arrester in accordance with IEC61643-11:2011.
Two part design consisting of base and plug-in protection module.
High energy MOV (Metal Oxide Varistor) and GDT (Gas Discharge Tube) inside.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal optional.


File Name
D3-65/440-3VG-R

Product Description
Class II (C) arrester in according with IEC61643-11.
Two part design consisting of base and plug-in protection module.
High energy MOV (Metal Oxide Varistor) and GDT (Gas Discharge Tube) inside.
Reliable supervision due to disconnection device.


File Name
D3-150-385-3VG-R

Product Description
Class II (C) arrester in accordance with IEC61643-11:2011, UL1449 3rd.
Two part design consisting of base and non-pluggable protection module.
High energy MOV (Metal Oxide Varistor) and GDT (Gas Discharge Tube) inside.
Reliable supervision due to disconnection device.
Fault indication by red indication flag in window.
Fast response.
With remote alarm terminal


File Name


Product Description


File Name
E100-7M-420-x-A

Product Description
E100-7M-420-x-A, UL certified, suitable for TT/TN system protection, up to 100KA 8/20

File Name
MV80P-320-R

Product Description
MV80P-320-R

File Name
MTMV-xxx

Product Description


File Name


Product Description


File Name
JDA 2*MVGT100/420-R

Product Description
Double phase power supply system, Class I +II(B+C) DC arrester in according with IEC61643-1:2001, Tested with lightning impulse current (10/350) in according with IEC61643- 1:2005, High energy MOV (Metal Oxide Varistor) & GDT (Gas Discharge Tube) in series inside, Reliable supervision due to disconnection device, No leakage current and No follow current, With remote alarm terminal optional.

File Name
D3-80/440-3VG-R

Product Description
Class II (C) arrester in accordance with IEC61643-11:2011 and UL1449-3rd.
Two part design consisting of base and non-pluggable protection module.
High energy MOV (Metal Oxide Varistor) and GDT (Gas Discharge Tube) inside.
Reliable supervision due to disconnection device.


File Name
ECL-A-24

Product Description
Lightning event counter is used for testing the lightning event in a certain area.

File Name
ESF50-1/xxx- 32A-3P

Product Description
Type :ESF&&-x/***-##A-$$,Enclosure type Surge power Filter,Max. surge current (Available from 25KA ~200KA),power system (Single phase/three phase),Input voltage – Uc(180/320/420/550),Current rating - continuous (5A/10A/16A/20A/32A/50A/63A/100A/ 120A… ),3P/PN/3PN: protection mode(L-N,L-PE,N-PE 3MOV/L-N,N-PE 1MOV+1GDT/L-N,N-PE 3MOV+1GDT),{Applications:Secondauy power circuits/Sub-boards,Computer Systems / Medical Systems,Telecommunication Systems / Recti_ers,All sensitive Electronic Equipment,Process and Control Systems}

File Name
DN-&&/xxxxx/G

Product Description
Data network protector in according with IEC61643-21.
Two parts design, surge protection modules to be exchanged easily.
Limit the transients with gas discharge tubes and diodes.
Two-stage protection circuit.
35 mm DIN-rail mounting design.


File Name
DN-xxx-MB/G2

Product Description
JDA DN-xxx-MB/G2 data network arrester applied in protection for 2 single wires of balanced interfaces with measuring and controlling system, providing coarse and fine protection, suitable for use in category location B, C (ANSI/IEEE C62.41) or directly at the upstream near the protected devices. Technical Features ◎ Data network protector in according with UL497b,IEC61643-21:2012; ◎ Compact size of 6.2mm to safe much installation space ◎ 35mm Din-rail mounting design; ◎ Limit the transients with gas discharge tubes and transzorb diodes; ◎ Three-stage protection circuit. ◎ Universal one pair data/communication lines protection

File Name
DN-xxx-MB/G4

Product Description
JDA DN-xxx-MB/G4 MODBUS RS485 Data network arrester provide protection for four single lines or two-pair lines in the high-frequency bus systems or video transmissions, suitable for use in category location B, C (ANSI/IEEE C62.41) or directly at the upstream near the protected devices. Technical Features ◎ Data network protector in according with UL497b, IEC61643-:21:2012; ◎ Compact size of 7 mm to safe much installation space ◎ 35mm Din-rail mounting design; ◎ Limit the transients with gas discharge tubes and transzorb diodes; ◎ Two-stage protection circuit. ◎ 4-lines or twp-pair lines protection

File Name
DN-24/G(25KA)

Product Description
Data network protector in according with IEC61643:21.
Pluggable type, easy replacing
Limit the transients with gas discharge tubes and transzorb diodes.


File Name
DN-24/0420-2G JDA-訊號突波保護器

Product Description
Data network protector in according with IEC61643-21. Two parts design, surge protection modules to be exchanged easily. Limit the transients with gas discharge tubes and diodes. Two-stage protection circuit. 35 mm DIN-rail mounting design.

File Name
DN-24-G

Product Description
Data network protector in according with IEC61643:21.Pluggable type, easy replacing.Limit the transients with gas discharge tubes and transzorb diodes.

File Name
DN-24/BNC-50

Product Description
DN-24/BNC-XX surge arrester is designed for coaxial systems protection against the damaging from surges and spikes caused by lightning and other electrical sources, suitable for use in category location B, C (ANSI/IEEE C62.41) or directly at the upstream near the protected devices. Technical Features ◎ Data network protector in according with UL497b,IEC61643-21:2012; ◎ High discharge capability, total nominal discharge current up to 20kA 8/20; ◎ Two-stage protection circuit; ◎ Limit the transient with gas discharge tubes and transzorb diodes; ◎ Low insertion loss;

File Name
DN-24/BNC-75

Product Description
JDA DN-24/BNC-75 surge arrester is designed for coaxial systems protection against the damaging from surges and spikes caused by lightning and other electrical sources, suitable for use in category location B, C (ANSI/IEEE C62.41) or directly at the upstream near the protected devices. Technical Features ◎ Data network protector in according with UL497b,IEC61643-21:2012; ◎ High discharge capability, total nominal discharge current up to 20kA 8/20; ◎ Two-stage protection circuit; ◎ Limit the transient with gas discharge tubes and transzorb diodes; ◎ Low insertion loss;

File Name
DN-24-RS485-BG

Product Description
RS485 ModBus surge protector

File Name
RL2MV+G-320-10P/S

Product Description
The JDA-RL (2MV+G)/xxx-10/x-L is comply to IEC61643-11 and UL 1449 3rd surge protection device (SPD) designed to protect single phase LED lighting applications. Offering full mode protection, LED status indication and with remote alarm contact.

File Name
LED lamps dedicated Surge protector
RL3V-XX-YYY

Product Description
Class II (C) arrester in according with IEC61643-11:2011.
Two part design consisting of base and plug-in protection module.
High energy MOV (Metal Oxide Varistor).
XX : Imax KA ; YYY : max Uc

File Name
SSP-24

Product Description


File Name
SDT-110-20-F1

Product Description


File Name
EN-6/RJ45HS-8

Product Description
EN-6/RJ45HS-8

File Name
Surge Protector (Square)

Product Description
Surge Protector (Square)

File Name
Surge Protector (Round)

Product Description
Surge Protector (Round)

File Name
Surge Protector (Round Pin)

Product Description
Surge Protector (Round Pin)

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