HJ-PMS Series Pad-Mounted Substation

Name: HJ-PMS Series Pad-Mounted Substation
Brand: HJATIS

The HJ-PMS Series Pad-Mounted Substation is a compact, fully insulated, and tamper-resistant distribution center for underground networks. It integrates an oil-immersed transformer, medium-voltage load switch, and low-voltage distribution in a sealed tank. Available up to 34.5kV and 4000kVA, it supports ring or radial feed.

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HJATIS

PUBLISHED PRODUCT DATA

Catalogue ratings and configurations.

The project data sheet should state the selected rating, options and site conditions.

Technical Specifications

Technical Specifications
System & Power Parameters
Transformer Capacity	50kVA - 1600kVA / (Custom high-capacity up to 4000kVA for Solar/Wind)
Rated Voltage (MV Side)	12kV / 24kV / 35kV / (Compatible with 13.8kV / 34.5kV systems)
Rated Voltage (LV Side)	0.4kV / 0.69kV
MV Feed Topology	Ring Main (Loop Feed) / Radial (Terminal Feed)
Rated Current (MV Load Switch)	315A / 630A
Withstand & Protection Ratings
Rated Frequency	50 Hz / 60 Hz
Transformer Insulation Type	High-Flashpoint Mineral Oil / FR3 Envirotemp Fluid (Custom)
MV Connection Type	Fully Insulated Dead-Front Elbow Connectors
Enclosure Protection Degree	IP33 Standard / (Tamper-resistant NEMA 3R equivalent)

CONFIGURATION

Select your configuration.

Tell us which ratings and options you need.

ParameterCatalogue indicationProject input required

01Transformer Capacity50kVA - 1600kVA (custom up to 4000kVA for solar/wind)Specify required kVA rating

02Rated Voltage (MV Side)12kV / 24kV / 35kV (compatible with 13.8kV / 34.5kV)Specify system voltage

03MV Feed TopologyRing Main (Loop Feed) / Radial (Terminal Feed)Select ring or radial configuration

04Rated Current (MV Load Switch)315A / 630ASpecify load current rating

05Enclosure Protection DegreeIP33 standard (tamper-resistant NEMA 3R equivalent)Confirm environmental requirements

STANDARDS & REPORTS

Standards and product documents.

Applicable references: GB/T 1094 and IEC 60076. Ask for the edition and reports covering the model offered; a standard number alone does not confirm product compliance.

PRODUCT DOCUMENTSAsk about availability

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APPLICATIONS

Questions for your application.

Renewable power plants

Where does the package connect to the plant and the grid? Send the single-line diagram with the supply limits marked.

Remote industrial sites

How will the modules reach the site? Share route, lifting and space limits before the layout is agreed.

REQUEST A QUOTATION

Send the SLD, specification or BOQ.

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