JCST Ac Surge Protection Device
DATOS TÉCNICOS
JCST 275V AC Surge Protection Device Specifications
W9 Group lists JCST as an AC surge protection device for transient overvoltages on electrical supply circuits. The technical table specifies nominal discharge current In of 30 kA, maximum discharge current Imax of 60 kA and maximum continuous AC operating voltage Uc of 275 V.
| Modelo | JCST |
|---|---|
| Network | 230 V single-phase / 400 V three-phase; confirm connection |
| SPD classification | Confirm Type 1+2 versus Type 2 for the ordered JCST |
| Technology options | MOV / MOV+GSG; confirm version |
| Maximum continuous operating voltage Uc | 275 V AC |
| Nominal discharge current In | 30 kA |
| Maximum discharge current Imax | 60 kA |
| Protection level Up | 1.8 kV |
| Conexión terminal | Screw terminals, 2.5–25 mm² |
| Instalación | 35 mm DIN rail |
| Protection rating | IP20 |
Guía de selección
Selecting an AC SPD by Earthing System and Surge Ratings
Specify the supply voltage, earthing system, pole arrangement, SPD classification and backup protection when you request a JCST quotation from W9 Group.
Match the supply network
For JCST, specify single-phase or three-phase supply and the earthing arrangement so the connection scheme can be confirmed.
Check surge ratings
Compare Uc, Up and discharge-current ratings in the matching datasheet; confirm classification and any impulse-current rating required by the project.
Check protective coordination
Ask for the required backup protection, conductor sizing and installation connection drawing for the selected SPD.
Plan inspection and replacement
Request status-indicator instructions, replacement-module compatibility and any remote indication option for the offered version.
QUÉ ES W9 GROUP
W9 Group AC Surge Protection Device Supply and Support
Zhejiang W9 Group Technology Co., Ltd. supplies low-voltage electrical products. For a JCST enquiry, contact W9 Group about configuration and matching product documents.

RECURSOS RELACIONADOS
JCST AC Surge Protection Device Technical Document Requests
Use W9 Group technical support and the product directory to specify JCST. Request the matching datasheet before ordering.
LISTA DE PRODUCTOSExplora los productos de W9 GroupBrowse W9 Group models and request the specifications of the selected product
DOCUMENTOSCentro de descarga de W9 GroupRequest the current document for your quoted JCST variant
Preguntas frecuentes del comprador
AC SPD FAQs: Classification, In and Imax Checks
Find answers about JCST selection, configuration and ordering.
Where is JCST intended to be used?
The supplier table identifies AC supply circuits. Confirm the supply voltage, earthing arrangement and connection layout for the selected device.
What do In and Imax mean on this page?
They are the nominal and maximum discharge-current labels in the supplier table. Use the associated test data when comparing SPDs; confirm the required project classification separately.
How should I specify the version?
State JCST, supply voltage, earthing arrangement, pole count and required SPD classification; request the corresponding datasheet.
What is needed for a JCST quotation?
Envíe la configuración requerida, la cantidad, el mercado de destino y los requisitos documentales. Solicite a W9 Group que confirme el precio, la cantidad mínima de pedido, las muestras y el plazo de entrega para la configuración seleccionada.
What is JCST used for?
The supplier tables identify this model family for AC supply circuits. Confirm the supply voltage, earthing arrangement and connection layout for the selected device; the page does not certify a universal installation.
How should I compare In and Imax when selecting an AC SPD?
Use the supplier table’s nominal and maximum discharge-current labels together with the project classification and test data. Confirm the required SPD class and wiring before ordering.
Solicitud de producto
Request a JCST AC Surge Protection Device Quotation
Tell W9 Group your supply voltage, earthing system, pole arrangement, SPD classification and backup protection, quantity and destination market so the selected configuration can be identified.





































