Hitachi Energy K771102T152S - KXM-550, Outdoor Single Phase Metering Unit, Nominal System Voltage=115kV, BIL=550kV, Bushing Creep/Strike=178"/46", VT_Ratio=600/1000:1:1, VT_Primary=69000V, VT_Secondary=115/69V (2), VT_Accuracy=0.3 0,W,X,M,Y,Z,ZZ, VT_Thermal Rating=3000VA, VT_Windings_Qty=2, CT_Ratio=1500:5 SR, CT_Accuracy=0.15 B1.8 from 0.5% to 300% Inom (7.5A-4500A), CT_Rating Factor=3.0, CT_1-Second Thermal Rating=120kA rms, CT_Cores_Qty=1
Hitachi Energy

K771102T152S

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Overview

The Hitachi Energy KXM-550 is a robust outdoor single-phase metering unit designed for 115kV nominal system voltage applications. Engineered with a high Basic Impulse Level (BIL) of 550kV, this unit ensures reliable performance in demanding electrical environments. The KXM-550 features a generous bushing creepage of 178 inches and a strike distance of 46 inches, providing essential insulation for high-voltage operation. This metering unit incorporates a Voltage Transformer (VT) with a ratio of 600/1000:1:1, a primary voltage of 69000V, and dual secondary windings providing 115/69V. The VT offers exceptional accuracy across multiple classes including 0.3, 0, W, X, M, Y, Z, and ZZ, with a thermal rating of 3000VA. For current measurement, the unit is equipped with a Current Transformer (CT) featuring a ratio of 1500:5 SR. The CT boasts a superior accuracy class of 0.15 B1.8, effective from 0.5% to 300% of nominal current (7.5A-4500A). Its rating factor is 3.0, and it can withstand a 1-second thermal rating of 120kA rms, with a single CT core. Key specifications include a nominal system voltage of 115kV, BIL of 550kV, and bushing creep/strike of 178"/46". The VT specifications are: Ratio 600/1000:1:1, Primary 69000V, Secondary 115/69V (2 windings), Accuracy 0.3 0,W,X,M,Y,Z,ZZ, and Thermal Rating 3000VA. The CT specifications are: Ratio 1500:5 SR, Accuracy 0.15 B1.8 from 0.5% to 300% Inom (7.5A-4500A), Rating Factor 3.0, 1-Second Thermal Rating 120kA rms, and 1 CT Core. The SKU for this unit is K771102T152S. This metering unit is ideal for substations and power transmission networks requiring precise and reliable voltage and current measurement at high voltage levels. Its robust construction and advanced metering capabilities make it a dependable choice for critical infrastructure.
  • 115kV Nominal System Voltage for high-voltage applications
  • 550kV Basic Impulse Level (BIL) for enhanced surge protection
  • 1500:5 SR CT Ratio with 0.15 B1.8 accuracy for precise current measurement
  • 69000V VT Primary with dual 115/69V secondary windings and 3000VA thermal rating
  • Outdoor-rated construction with 178"/46" bushing creep/strike for environmental resilience
A - 15.0 kV bushing

015J0400AN

A - 15.0 kV bushing
O Plus C - 34.5 kV bushing

034Z3000AW

O Plus C - 34.5 kV bushing

Frequently Asked Questions about Hitachi Energy

What are the main product lines offered by Hitachi Energy?

Hitachi Energy offers five primary product lines: Grid Automation, Communication Networks, Energy Storage, Transformers, and High Voltage Solutions. These lines include innovative products such as COMBIFLEX modular relays, wireless communication networks, e-mesh PowerStore energy storage systems, comprehensive transformer ranges from pole-mount to distribution substation designs, and high voltage equipment including capacitors, instrument transformers, and circuit breakers up to 1200 kilovolts.

What certifications and standards do Hitachi Energy products comply with?

Hitachi Energy products comply with multiple international certifications and standards, including UL (Underwriters Laboratory), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products meet critical functional safety standards such as EN 61800-5-2, ISO 13849-1, IEC 61508, and mechanical protection standards like EN 60529 (IP code). We ensure rigorous compliance across industrial automation, energy storage, and transformer product lines, with specific UL certifications for drives and comprehensive testing for environmental and safety performance.

What industries and applications are Hitachi Energy products used for?

Hitachi Energy products serve multiple critical industries including utilities, industrial manufacturing, commercial facilities, petrochemical, oil and gas, mining, water treatment, food and beverage, pulp and paper, and marine sectors. Their comprehensive product lines cover grid automation, communication networks, energy storage, transformers, high voltage equipment, and drive systems for applications like pumps, compressors, cranes, hoists, conveyors, and HVAC systems across diverse operational environments.

What technical support does Hitachi Energy offer?

Hitachi Energy offers comprehensive technical support across multiple service lines, including system commissioning, software configuration, on-site training, and installation assistance. Key technical support services include checking system prerequisites, setting up measuring and data equipment, configuring software features like WEBVIEW-L, providing training on system usage, and delivering detailed service reports. They also offer specialized training for power monitoring, energy quality, and industrial communication systems.

What are the key features of Hitachi Energy products?

Hitachi Energy products feature advanced technologies across grid automation, communication networks, energy storage, high voltage systems, and transformers. Key characteristics include modular and flexible design, robust industrial-grade performance, high reliability, and solutions that optimize power quality, enhance grid stability, and minimize environmental impact. Their product lines deliver innovative capabilities for utilities, industrial, and commercial applications, with a strong focus on scalable, secure, and efficient power technologies.

What communication protocols do Hitachi Energy products support?

Hitachi Energy products support multiple industrial communication protocols, including Modbus TCP/IP, RAPIEnet, EtherNet/IP, PROFIBUS DP, PROFINET, CANopen, and Modbus RTU. Their communication networks are industrial-grade, offering robust connectivity solutions for diverse industrial automation environments with support for wireless and wired communication technologies.

What environmental ratings do Hitachi Energy products have?

Hitachi Energy products feature robust environmental ratings including UL/cUL Type 4 and Type 4X certifications, Class 1 Division 2 hazardous location approvals, and CE compliance. These ratings cover industrial applications in oil and gas, chemical, mining, and pharmaceutical sectors, with products engineered to withstand challenging environmental conditions like extreme temperatures from -40°F to 131°F and potentially hazardous atmospheric environments.

How are Hitachi Energy products typically installed?

Hitachi Energy products are professionally installed through a comprehensive deployment process that includes pre-sales support, project design, field inspection, pre-commissioning, and final commissioning. Their modular product designs, such as the COMBIFLEX relay systems and SUNSYS energy storage solutions, enable flexible installation across various industrial environments with adaptable mounting and casing alternatives. Trained Hitachi Energy service teams work directly with customers to ensure precise system setup, configuration, and operational readiness.

What is Hitachi Energy's warranty policy?

Hitachi Energy offers comprehensive extended warranty options for energy storage systems, providing coverage up to 20 years for complete systems or batteries. The warranty includes corrective maintenance, parts replacement, on-site labor, and a battery performance warranty. Customers must maintain a preventive maintenance contract and keep equipment permanently connected to the internet for data monitoring to qualify.

What accessories are available for Hitachi Energy products?

Hitachi Energy offers a comprehensive range of accessories across multiple product lines, including relay accessories for the COMBIFLEX® system, communication network components, and energy storage system add-ons. Key accessories include COMBITEST relay test systems, wireless communication network equipment, remote monitoring devices, and power management system components for energy storage solutions like the SUNSYS HES XXL. Specific accessories include IoT monitoring devices, firmware upgrade capabilities, voltage outlets, power supply modules, and trip unit options for various electrical systems.