MV Components & Outdoor Grid

HJATIS HJ-ILBS 24kV indoor load break switch with fuse combination, designed for safe circuit isolation and transformer protection in compact substations
HJ-ILBS Series Indoor Load Break Switch

Up to 24kV / Vacuum & SF6 Options / Switch-Fuse Combination

The HJ-ILBS Series Indoor Load Break Switch provides robust, cost-effective switching and transformer protection for medium-voltage distribution networks. Engineered to safely make and break load currents, closed-loop currents, and cable charging currents, this series offers both eco-friendly Vacuum and highly compact SF6 gas insulation options. When paired with high-voltage current-limiting fuses (Combination Unit), it becomes the ultimate protective safeguard for downstream transformers.

 

Ideal for Secondary Distribution & OEMs:

  • ✓ Ring Main Units (RMU) & Compact Substations (CSS)
  • ✓ Switchgear OEMs & Panel Builders
  • ✓ Transformer Protection in Commercial & Industrial Grids
  • ✓ Wind & Solar Power Collection Nodes
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HJATIS HJ-OFP-S 24kV fully insulated cable branch box with load break switch, facilitating safe and weather-proof underground power cable distribution
HJ-OFP-S Series Cable Branch Box (with Load Break Switch)

Up to 24kV / Integrated SF6 LBS / Fully Insulated Hub

The HJ-OFP-S Series Cable Branch Box is an advanced outdoor medium-voltage distribution node equipped with an integrated SF6 Load Break Switch (LBS). Unlike passive feeder pillars, it provides active load switching and precise fault isolation capabilities for underground cable networks. Manufactured with 100% HJATIS proprietary enclosures and cable connectors, it guarantees unparalleled cost-efficiency, absolute weather protection, and SCADA-ready intelligence for modern ring main grids.

 

Ideal for Active Underground Grid Management:

  • ✓ High-Density Urban Ring Main Power Networks
  • ✓ Industrial Parks requiring active load sectioning
  • ✓ Renewable Energy (Wind/Solar) Collection Nodes
  • ✓ Railway, Airport & Critical Public Infrastructure
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HJATIS HJ-OSS 24kV highly integrated outdoor switching station, offering a compact and safe power routing solution for urban medium voltage networks
HJ-OSS Series Outdoor Switching Station

Up to 24kV / No Civil Works / 100% In-House Components

The HJ-OSS Series Outdoor Switching Station is an advanced, fully enclosed intelligent power distribution hub designed to replace traditional brick-and-mortar substations. Engineered with 100% HJATIS proprietary medium-voltage components, it offers unmatched quality control and limitless customization. Featuring a highly compact, moisture-proof stainless steel enclosure, it delivers turnkey SCADA-ready power routing for modern urban and industrial grids.

 

Ideal for Rapid Urban & Industrial Grid Deployment:

  • ✓ Urban Underground Cable Networks & Street Hubs
  • ✓ Large Residential Complexes & Commercial Centers
  • ✓ Industrial Parks requiring multi-way power branching
  • ✓ Smart Grid Upgrades (Automated Fault Isolation)
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HJATIS HJ-OVCB 40.5kV outdoor pole-mounted vacuum circuit breaker, ensuring safe fault clearing and stable power distribution for overhead lines
HJ-OVCB Series Outdoor Vacuum Circuit Breaker

12kV to 40.5kV / Spring & Magnetic Actuator / IP65+

The HJ-OVCB Series Outdoor Vacuum Circuit Breaker delivers full-spectrum coverage for every outdoor switching requirement. From highly compact 12kV pole-mounted units to heavy-duty 40.5kV outdoor substation breakers, this series integrates advanced actuation technologies and premium weatherproof insulation. It provides the ultimate reliable foundation for auto-reclosing (ACR), fault isolation, and smart grid automation in extreme environments.

 

Ideal for Overhead Distribution & Substations:

  • ✓ Standard Pole-Mounted Switching & Sectionalizing
  • ✓ Smart Grid Auto-Recloser (ACR) Integration
  • ✓ Boundary “Watchdog” & High-Frequency Nodes
  • ✓ Rural Grid Upgrades & 33/36kV Outdoor Substations
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HJATIS HJ-VCB 40.5kV indoor vacuum circuit breaker with embedded pole, providing reliable short-circuit protection for industrial switchgear systems
HJ-VCB Series Indoor Vacuum Circuit Breaker

Up to 40.5kV / Embedded Pole Tech / Magnetic Actuator

The HJ-VCB Series Indoor Vacuum Circuit Breaker is the ultra-reliable “heart” of medium-voltage power distribution. Designed to seamlessly integrate into metal-clad switchgear, this comprehensive series offers cutting-edge technologies including Embedded Poles (solid-sealed), Permanent Magnetic Actuators, and highly compact lateral-mounted designs. It delivers unparalleled short-circuit breaking capabilities and a virtually maintenance-free lifespan for the world’s most demanding grids.

 

Ideal for Switchgear Integration & Heavy Loads:

  • ✓ Primary Substations & Power Generation Plants
  • ✓ Metal-Clad Switchgear OEMs (KYN28 / KYN61 compatible)
  • ✓ High-Frequency Operation Facilities (Furnaces, Railways)
  • ✓ Extreme Humidity or Highly Polluted Industrial Sites
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