3kV-12kV Indoor CTs LZZBJ9-12/185b/2S Indoor Epoxy Cast-Resin Current Transformer May 19, 2026 / May 19, 2026 by tianming LZZBJ9-12/185b/2S indoor epoxy cast-resin current transformer for 10kV, 11kV and 12kV class switchgear. The 185b support body and 2S dual-secondary configuration support current measurement, energy metering and relay protection, with 1A or 5A secondary output, 12/42/75kV insulation coordination and IEC-oriented technical selection. Read more »
3kV-12kV Indoor CTs LZZBJ9-12/150b/4S, AS12/150b/4S Epoxy Resin Casting Type Current Transformer May 19, 2026 / May 19, 2026 by tianming LZZBJ9-12/150b/4S, also supplied as AS12/150b/4S, is a 12kV indoor epoxy resin cast current transformer for 10kV, 11kV and 12kV class switchgear. The compact 150b body and 4S multi-secondary design support metering, monitoring, relay protection and backup protection, with 1A or 5A output and IEC-oriented technical selection. Read more »
3kV-12kV Indoor CTs LZZBJ9-12/175b/4S, AS12/175b/4S Epoxy Cast-Resin Current Transformer May 19, 2026 / May 19, 2026 by tianming LZZBJ9-12/175b/4S, also supplied as AS12/175b/4S, is an indoor epoxy cast-resin current transformer for 10kV, 11kV and 12kV class switchgear. The 175b support body and 4S multi-secondary design support metering, monitoring and relay protection, with 1A or 5A secondary output, 12/42/75kV insulation level and project-based accuracy combinations. Read more »
3kV-12kV Indoor CTs LZZBJ9-12/175b/2S, AS12 Indoor Epoxy Cast-Resin Current Transformer May 19, 2026 / May 19, 2026 by tianming LZZBJ9-12/175b/2S, also supplied as AS12/175b/2S, is an indoor epoxy cast-resin current transformer for 10kV, 11kV and 12kV class switchgear. The 175b body and 2S dual-secondary design support metering and relay protection circuits, with 1A or 5A secondary output, 12/42/75kV insulation level and optional live display device integration. Read more »
3kV-12kV Indoor CTs LZZBJ9-12/150b/2S Epoxy Resin Casting Type Current Transformer May 19, 2026 / May 19, 2026 by tianming LZZBJ9-12/150b/2S indoor epoxy resin cast current transformer for international 10kV, 11kV and 12kV class switchgear. Also known as AS12/150b/2S, it is designed for current measurement, energy metering and relay protection, with 1A or 5A secondary output, 12/42/75kV insulation level and 2S dual-secondary configuration. Read more »
3kV-12kV Indoor CTs LZZBJ9-12/190b/4S, AS12 Indoor Epoxy Cast-Resin Current Transformer May 19, 2026 / May 19, 2026 by tianming LZZBJ9-12/190b/4S, AS12/190b/4S and AS12/190b/4S indoor epoxy cast-resin current transformer for international 10kV, 11kV and 12kV class switchgear. Designed for current measurement, energy metering and relay protection, with 1A or 5A secondary output, 190b/4S multi-core structure, dry-type fully enclosed insulation and metering/protection accuracy combinations. Read more »
3kV-12kV Indoor CTs LZZBJ9-10C3, LZZBJ9-10C3Q3/Q4 Indoor Epoxy Cast-Resin Current Transformer May 19, 2026 / May 19, 2026 by tianming LZZBJ9-10C3 / C3Q3 / C3Q4 indoor epoxy cast-resin current transformer for international 10kV, 11kV and 12kV class switchgear. Designed for current measurement, energy metering and relay protection, with 1A or 5A secondary output, current range up to 3150A, 0.2S/0.5/5P20 accuracy options and high-current terminal arrangements. Read more »
Documents REL-10 11kV Voltage Transformer Selection Guide: IEC 61869 Outdoor & Indoor VT for Metering & Protection May 19, 2026 / April 22, 2026 by tianming Introduction The REL-10 Voltage Transformer is a critical component in medium-voltage power systems, specifically engineered for reliable and accurate voltage measurement and protection at the 10 kV level. Designed in compliance with international standards such as IEC 61869, this instrument transformer isolates high-voltage circuits from secondary instrumentation and protective relays, thereby enhancing safety and operational […] Read more »
3kV-12kV Indoor CTs LZZJ-10, LZZJ-12Q, LZZ(B)J1-10 Epoxy Cast-Resin Current Transformer May 19, 2026 / May 19, 2026 by tianming LZZJ-10, LZZJ-12Q, LZZ(B)J1-10 indoor epoxy cast-resin current transformer for international 10kV, 11kV and 12kV class switchgear. Designed for current measurement, energy metering and relay protection, with 12/42/75kV insulation level, 1A or 5A secondary output, single or double ratio options, and 0.2S/0.5/1/10P10 accuracy classes. Read more »
3kV-12kV Indoor CTs LZZ(B)J2-10, LZZBJ2-12 Post-Type Epoxy Cast-Resin Current Transformer May 19, 2026 / May 19, 2026 by tianming LZZ(B)J2-10 / LZZBJ2-12 indoor Post-Type epoxy cast-resin current transformer for international 10kV, 11kV and 12kV class switchgear. Designed for current measurement, energy metering and relay protection, with 12/42/75kV insulation level, 1A or 5A secondary output, single or double ratio options, and 0.2/0.5/10P10 accuracy combinations. Read more »
Documents JLS-35K 33kV Cast-Resin CT Transformer: IEC 61869-2 Compliant for Metering & Protection for current transformer Applicat May 19, 2026 / May 2, 2026 by tianming Introduction to the JLS-35K Current Transformer The JLS-35K is a high-voltage, outdoor-rated cast-resin current transformer (CT) engineered for reliable operation in 33kV (IEC) / 35kV (domestic) power systems. Designed in strict accordance with IEC 61869-2 and GB/T 20840.2, this instrument transformer delivers precise current measurement for both metering and protective relaying applications in transmission and […] Read more »
Documents Outdoor/Indoor RZL-10 11kV Voltage Transformers—Epoxy-Encapsulated for Reliable Switchgear Metering May 19, 2026 / April 22, 2026 by tianming Introduction The RZL-10 voltage transformer is a critical component in medium-voltage power systems, specifically engineered for reliable and accurate voltage measurement, protection, and metering applications at the 10 kV level. As part of the resin-cast, indoor-type instrument transformer family, the RZL-10 offers excellent insulation performance, compact design, and long-term operational stability under normal and transient […] Read more »
