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Surge arrester product category
Surge Arresters for Line, Station, Low Voltage and Monitoring Options
Use this selector to separate line arresters, station arresters, low-voltage surge arresters, cut-out combinations, JCQ monitors, JS-8 counters, JSZ-8 indicators and PV counter options before confirming voltage duty, MCOV, discharge current, housing, mounting and drawing status.
Product types
Surge Arrester Types
Start with where the device will be installed, then compare the matching product type by voltage duty, mounting interface, monitoring function and drawing availability.
SA 01Line arrester
Distribution Line Surge Arrester
Line type surge arrester path for overhead distribution feeder protection where the MOV column, polymer housing, bracket and earthing lead must match the feeder insulation duty.
SA 02Station arrester
Station Type Surge Arrester
Station type surge arrester path for substation bay protection where higher insulation coordination, base fitting and station grounding must be checked together.
SA 03LV arrester
Low Voltage Surge Arrester
Low Voltage surge arrester path for service entrance, low-voltage panel or downstream auxiliary protection where pole count and AC/DC system type decide the selected device.
SA 04Cut-out combo
Cut Out Surge Arrester Combination
Combi cut-out and surge arrester path for pole-mounted fuse cutout assemblies where protection and overvoltage clamping are packaged in one feeder branch arrangement.
SA 06JCQ monitor
JCQ Surge Arrester Monitor
JCQ monitor path for online leakage-current observation and arrester operation counting across multiple high-voltage classes.
SA 07JS-8 counter
JS-8 Surge Arrester Counter
JS-8 counter path for recording arrester discharge operations on the grounding side below the arrester.
SA 08JSZ-8 indicator
JSZ-8 Surge Arrester Counter with Indicator
JSZ-8 counter with indicator path where the base counter function is combined with visible power or fault indication.
SA 09PV counter
Photovoltaic Surge Arrester Counter
PV arrester counter path for solar station monitoring where the device is installed between surge arrester and earth and the PV station package decides final wiring.
Application fit
Surge Arrester Applications
The placement question comes first: overhead feeder, substation bay, LV cabinet, fuse cutout assembly, grounding-side counter or PV station monitor. Add the DE04-SA-05 counter accessory group only after the main arrester type is known.
Protection role
Surge current must have a controlled path from conductor to earth.
Separate overvoltage clamping duty from monitoring duty before choosing the final product type.
Line, station, LV and cut-out combination options
Use these rows when the device must clamp overvoltage and discharge surge current.
DE04-SA-05 counter accessory group: JCQ, JS-8, JSZ-8 and PV options
Use these rows when the project needs operation count, leakage-current monitoring, visible indication or alarm output.
Earth lead, base fitting and counter connection
Confirm the grounding path, meter visibility and series installation position before selecting counter or monitor accessories.
Selection matrix
Surge Arrester Selection Matrix
Use the matrix to choose the correct product type before quotation: protection duty stays with arrester rows, while counting, monitoring and indication stay with accessory rows.
Decision option
Protection or monitoring role
Rating data
Distribution feeder optionLine arrester on overhead feeder or transformer branch
MOV column from conductor to earth
Confirm voltage, MCOV, discharge current and bracket
Substation optionStation type arrester at transformer, bus or line bay
Station grounding grid and insulation coordination
Confirm station insulation level, class and creepage
Low-voltage optionLV panel, service entrance or auxiliary cabinet
Compact arrester device by AC/DC circuit type
Confirm system, pole count and protection class
Combined cut-out optionFuse cutout plus arrester branch on pole hardware
Fuse protection plus overvoltage discharge path
Confirm fuse link, arrester voltage and bracket spacing
Monitoring optionDE04-SA-05 counter accessory group with JCQ, JS-8, JSZ-8 or PV counter below arrester
Counter, leakage-current monitor or indicator in the earthing lead
Confirm model, voltage range, alarm, test method and H.V. lead pull
Boundary optionAccessory data does not define arrester duty
Counter function stays separate from arrester protection rating
Confirm main arrester data from project sheet
Working principle
MOV Protection and Earthing Path
Use this sequence to separate arrester structure from monitor accessories: the MOV column clamps the surge, the housing and shed profile manage insulation, the disconnector or counter interface sits below the arrester, and the earthing path discharges current safely.
Structure checks
Confirm these elements before choosing the arrester type or adding a counter accessory.
MOV columnMetal-oxide blocks clamp transient overvoltage.
Housing and shed profilePolymer or station housing controls insulation distance.
Disconnector or counter interfaceAccessory boundary sits in the lower grounding path.
Earthing pathSurge current must discharge to the grounding system.
Rating boundary
Surge Arrester Ratings
Use arrester rows for voltage and surge-protection duty. Use counter and monitor rows only for counting, leakage-current monitoring, indication and grounding-side installation details.
Voltage, MCOV, discharge current and creepage stay with the selected arrester type.
Line, station, LV and cut-out combination rows cannot inherit each other’s rating data.
Counter and monitor rows define counting, monitoring, indication and alarm functions.
Do not use these accessory rows to set arrester voltage, MCOV or residual-voltage duty.
Drawing and data
Drawings and Technical Documents
Drawing tabs help check dimensions and installation layout where a drawing is available; teams can also download surge arrester catalog PDFs before checking outline and mounting data. Voltage, MCOV, discharge current and creepage still need to come from the project sheet or order specification.
Use drawing views for mounting checks
JCQ, JS-8 and PV counter options include drawing views for face diameter, hole spacing, terminal and mounting checks.
Confirm electrical ratings from the project sheet
Do not infer voltage, MCOV, discharge current or creepage from product appearance or accessory drawings.
Request outline drawings when fixed dimensions matter
If line, station, LV, cut-out combination or JSZ-8 options need fixed dimensions, include an outline or mounting drawing request in the RFQ.
Use accessory instructions for mounting and testing
PV and JCQ counter instructions require series installation between arrester and earth, grounding before removal, repeated action testing and H.V. lead pull not more than 10 kg.
Engineering selection
Surge Arrester RFQ Data
Send the product type and system position first, then match voltage, discharge duty, housing, mounting and monitoring accessories, or check certificates, test reports and RFQ forms before quotation release.
Line, station, LV, cut-out combination, or DE04-SA-05 counter accessory group for JCQ, JS-8, JSZ-8 and PV accessories.
Clamp surge current for arrester options or count/monitor for accessory options.
Do not copy values across unrelated voltage classes or accessory groups.
Base, bracket, earth lead, counter position and site conditions decide the final package.
Product typeChoose line, station, LV, cut-out combination, JCQ, JS-8, JSZ-8 or PV counter option.
System voltageDistribution feeder, station, LV or PV project voltage.
MCOV and dutyContinuous operating voltage, discharge current and insulation coordination.
Housing optionPolymer, station housing, LV device body or cut-out combination package.
Mounting interfaceBracket, base fitting, pole hardware, panel interface or PV station enclosure.
Monitoring needCounter, leakage-current monitor, indicator, alarm output or PV monitor option under the DE04-SA-05 accessory group.
Site conditionsAltitude, pollution grade, grounding system and outdoor exposure.
Drawing needUse available drawing views; otherwise include the required outline or mounting drawing request in the RFQ.
FAQ
Surge Arrester FAQ
What surge arrester data is needed for RFQ?
Send product type, system voltage, MCOV or continuous operating voltage, nominal discharge current, creepage or pollution grade, housing option, bracket or base fitting, counter or monitor requirement, grounding path, site conditions and quantity.
Where is a surge arrester used?
Use a surge arrester where lightning or switching overvoltage must be clamped on an overhead feeder, substation bay, LV cabinet, fuse cutout branch or PV station protection point.
When should engineers choose the product type before the model?
Choose the product type first when line, station, low-voltage, cut-out combination, JCQ, JS-8, JSZ-8 or PV counter options are still being compared. The model should follow system position, voltage duty, mounting interface and monitoring function.
When are surge arrester Drawing tabs available?
Drawing tabs appear only when a matching drawing image or drawing page is available for that product type. If no Drawing tab appears, include the outline or mounting drawing request with the RFQ.
Can counter or monitor data define arrester ratings?
No. JCQ, JS-8, JSZ-8 and PV counters are monitoring accessories. Arrester voltage, MCOV, residual-voltage and discharge-current data must come from the selected arrester option and project sheet.
How should engineers choose between line and station arresters?
Start from system position. Use line arresters for overhead distribution feeders and station arresters for substation bay or transformer station insulation coordination.
Request Surge Arrester Quote
Send the product type, system voltage, continuous operating voltage, nominal discharge current, housing option, bracket or base fitting, monitoring accessory need, grounding path, drawing need and destination standard. XIYA will return the suitable arrester option, drawing check, quotation scope and required document list.