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MV components & outdoor grid
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HJ-ILBS Series Indoor Load Break Switch
The HJ-ILBS Series Indoor Load Break Switch is designed for medium-voltage distribution networks up to 24 kV. It offers vacuum and SF6 insulation options, with fixed or withdrawable mounting. Configurations include pure load break switch or switch-fuse combination for transformer protection.
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HJ-OFP-S Series Cable Branch Box (with Load Break Switch)
The HJ-OFP-S Series Cable Branch Box is an outdoor medium-voltage distribution node with an integrated SF6 Load Break Switch (LBS). It provides active load switching and fault isolation for underground cable networks. Rated voltage is 12kV (24kV available on request), rated current 630A, short-time withstand 20kA/4s, and peak withstand 50kA. Enclosure protection is IP54, internal gas tank IP67. Configurations range from 1-in 1-out to 6-way.
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HJ-OSS Series Outdoor Switching Station
The HJ-OSS Series Outdoor Switching Station is a fully enclosed power distribution unit for outdoor grids up to 24kV. It uses 100% HJATIS proprietary medium-voltage components, including SF6 load break switches, VCBs, and smart controllers. The stainless steel enclosure is moisture-proof and rated IP54 (internal IP4X). It supports 3-way, 4-way, and multi-circuit ring configurations, with a rated current of 630A and short-time withstand of 20kA (4s).
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HJ-OVCB Series Outdoor Vacuum Circuit Breaker
The HJ-OVCB Series Outdoor Vacuum Circuit Breaker covers rated voltages from 12kV to 40.5kV with spring or magnetic actuators. It offers solid dielectric, SF6-gas, and vacuum/air composite insulation options. Designed for outdoor applications including pole-mounted switching, auto-reclosing, smart grid nodes, and substations. Enclosure rating IP65+.
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HJ-VCB Series Indoor Vacuum Circuit Breaker
The HJ-VCB Series Indoor Vacuum Circuit Breaker is designed for medium-voltage power distribution up to 40.5kV. It features embedded pole technology and magnetic actuator options. Models include the HJ-VCB-12/24 with spring mechanism, the HJ-VCB-12E with embedded poles for harsh environments, the HJ-VCB-12L for compact RMU panels, the HJ-VCB-12M with permanent magnetic actuator for high-frequency switching, and the HJ-VCB-40 Series for primary substations. Standards: GB/T 7251, IEC 61439.
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