Documents VT-10KV 11kV Cast-Resin Current Transformer Compliant with IEC 61869-2 for Metering & Protection for substation appli… March 7, 2026 / May 2, 2026 by tianming For Substation Metering & Protection: VT-10K 11kV Cast-Resin Current Transformer per IEC 61869-2 Introduction to the VT-10K Current Transformer The VT-10K is a high-reliability, cast-resin insulated current transformer (CT) engineered for accurate current measurement and protective relaying in medium-voltage power systems operating at 11kV (IEC standard) or 10kV (domestic Chinese grid). Designed in strict compliance […] Read more »
Documents GB/T 20840.2 mirrors IEC 61869-2 but includes supplementary requirements for Chinese grid operators: March 5, 2026 / May 2, 2026 by tianming Introduction to the SZW-10 Current Transformer The SZW-10 is a high-reliability, cast-resin insulated current transformer (CT) engineered for operation in 11kV (IEC-rated) or 10kV (domestic system equivalent) medium-voltage networks. Designed in strict accordance with IEC 61869-2 and GB/T 20840.2, this device serves critical roles in both metering and protective relaying applications across utility substations, industrial […] Read more »
Documents For Substation Metering & Protection: UNKNOWN 11kV Cast-Resin Current Transformer – IEC 61869-2 for substation applic… March 3, 2026 / May 2, 2026 by tianming XGW-12 11kV Cast-Resin Voltage Transformer for Substation Metering and Protection – IEC 61869-3 Certified Introduction to the XGW-12 Voltage Transformer The XGW-12 is a single-phase, indoor/outdoor rated, cast-resin insulated voltage transformer (VT) designed for accurate voltage measurement and reliable protective relay operation in medium-voltage power systems operating at 11kV (IEC standard) or 10kV (domestic Chinese […] Read more »
Documents GB/T 20840.3 mirrors IEC 61869-3 but includes supplementary clauses for Chinese grid conditions for voltage transformer March 1, 2026 / May 2, 2026 by tianming Introduction to the UTF-8 Voltage Transformer The UTF-8 is a single-phase, indoor/outdoor-rated cast-resin voltage transformer (VT) engineered for accurate metering and reliable protection in medium-voltage distribution systems operating at 11kV (IEC standard) or 10kV (domestic Chinese system). Designed in strict accordance with IEC 61869-3 and GB/T 20840.3, this instrument transformer leverages advanced vacuum pressure impregnation […] Read more »
Documents LB-10W 11kV Cast-Resin CT Transformer: IEC 61869-2 Compliant for Metering & Protection for current transformer Applicati February 22, 2026 / April 27, 2026 by tianming LB-10W current transformer for 11kV applications. Complete installation instructions including mounting, wiring, and commissioning procedures. Read more »
High-Voltage Metering Box JLSZK-12 IV High Voltage Prepaid Metering Box (6-10kV outdoor) January 28, 2026 / July 19, 2026 by tianming Product Overview The JLSZK-12 IV high-voltage prepaid metering box is an outdoor integrated measurement and control unit that combines a ZW8-12 vacuum circuit breaker (VCB) with built-in voltage transformer (VT/PT) and current transformer (CT) assemblies within a single weather-resistant enclosure. The unit is intended for three-phase 50 Hz medium-voltage distribution systems with rated system voltage […] Read more »
High-Voltage Metering Box ZWJLSZ-12 Prepaid Stainless Steel Cylindrical Metering Box January 27, 2026 / July 19, 2026 by tianming Produktübersicht Die ZWJLSZ-12 Prepaid-Hochspannungs-Met […] Read more »
High-Voltage Metering Box ZWJ-12 High Voltage Prepaid Metering Box January 27, 2026 / July 19, 2026 by tianming Produktübersicht ZWJ-12 Serie Hochspannungs-Prepaid-Zähler […] Read more »
Zero Sequence CT LJM-1, LJM-2, LJM-3, LJM-3 busbar-type zero-sequence current transformers January 27, 2026 / June 18, 2026 by tianming Produktübersicht LJM-Serie Sammelschienen-Nullsequenz c […] Read more »
Zero Sequence CT LJK-φ100~φ240 Zero-Sequence Current Transformer January 27, 2026 / July 17, 2026 by tianming Produktübersicht Funktionale Definition Die LJK-φ100~φ24 […] Read more »
Zero Sequence CT LJ-2 / LJ-4 / LJ-7 Indoor Zero-Sequence Current Transformers for Ground Fault Protection January 26, 2026 / June 18, 2026 by tianming Produktübersicht Funktionale Definition Die LJ-2, LJ-4, […] Read more »
Zero Sequence CT LKZB-0.5 (LBD-LCT) split-core zero-sequence current transformers (6–35kV) January 26, 2026 / June 18, 2026 by tianming Product Overview Functional Definition The LKZB-0.5 (LBD-LCT) series split-core zero-sequence current transformers are precision electromagnetic protection devices designed for residual (zero-sequence) current detection and earth-fault protection in medium-voltage AC cable systems. Based on electromagnetic induction, the transformer monitors the vector sum of three-phase currents (zero-sequence component) to indicate insulation degradation, leakage, or ground fault conditions. […] Read more »
