The 32nd China International Exhibition on Electric Power Equipment and Technology
Shanghai International Energy Storage Technology Application Expo / Hydrogen Energy Expo
Shanghai New International Expo Center (Hall N1-N5 & W5), PR China 2025•11• 18 - 20

DALIAN NO.1 INSTRUMENT TRANSFORMER CO., LTD.
Booth Number: Hall N1 - N1C01
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Invitation / Product Poster
JDZX6-35R(CQ)B Voltage Transformer
This type of voltage transformer is suitable for use in 50–60 Hz AC power systems and rail transit applications, serving purposes such as voltage and energy measurement, as well as relay protection. Featuring a novel and distinctive design concept, meticulous craftsmanship, and advanced manufacturing processes—including cast‑in‑place construction—it can meet a wide range of customer requirements. The primary high‑voltage terminal adopts a standard No. 2 internal cone, while the fuse employs a front‑insertion configuration; this design allows the cable elbow to be connected directly to the internal cone, which also serves as the fuse's entry/exit point, eliminating the need to remove the voltage transformer from the cabinet when replacing the fuse. The product boasts a compact footprint, lightweight construction, an aesthetically pleasing appearance, easy installation, excellent electrical performance, and safe, reliable operation.
LZZBJ9-35_168(CQ) Current Transformer
This product is suitable for use in 50–60 Hz AC power systems and rail transit applications for current and energy measurement as well as relay protection. It features a single-phase post-type design, with epoxy resin vacuum casting, and is primarily installed inside gas-insulated switchgear. It boasts a compact structure, excellent thermal stability, and low partial discharge levels.
JEDZ12-12 Series Electronic Voltage Sensor
The JEDZ12-12 series electronic voltage sensor is suitable for ring main units and can be installed at locations such as the rear end of T‑type cable terminations. It is designed to work in conjunction with microprocessor‑based measurement and protection devices, outputting a high‑precision voltage signal proportional to the primary voltage, thereby enabling multiple functions including monitoring, control, protection, and digital transmission.
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