This section provides an overview for insulation monitors as well as their applications and principles. Also, please take a look at the list of 24 insulation monitor manufacturers and their company rankings.
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An insulation monitor is a device that continuously assesses the integrity of a power system's insulation, enabling early detection of insulation wear or failure.
Such insulation issues can precipitate ground faults and electrical leakages, posing risks of power disruptions and fire hazards. By identifying these problems early, insulation monitors contribute significantly to accident prevention and system safety.
Its functionality hinges on dual-monitoring techniques: zero-phase current and zero-phase voltage. The device identifies minute leakage currents through zero-phase current analysis and detects potential ground faults by observing changes in zero-phase voltage. Employed across various settings—including substations, industrial plants, commercial buildings, and healthcare facilities—insulation monitors comprise essential components like current and voltage sensors, signal processing units, displays for real-time status, and alarms for immediate alerting. Their adoption ensures enhanced safety, operational reliability, efficiency, cost savings, and adaptability to multiple electrical environments.
*Including some distributors, etc.
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Sensata Technologies was originally founded in 1916 as General Plate Company and is now headquartered in Attleboro, Massachusetts. The company is a developer, manufacturer, and seller of sensors and sensor-rich solutions, electrical protection components, and other products used in automotive, industrial, energy, telecom, and construction industries. The company has 20 product categories including force sensors, tire management solutions, inverters & charges, and pressure sensors.The company’s next generation of products are designed to improve the efficiency of industrial pumps, fuel efficiency in ICE cars and energy efficiency in TVs, and facilitate usage of IoT devices.
Blue Jay Technology Co. Ltd., established in 2013 and headquartered in Chongqing City, China, is a manufacturer of power automation monitoring products and energy meters. The company's product includes DIN rail energy meters and insulation monitoring devices for electric vehicles. It also offers OEM/ODM services such as replacement of UI design (type OEM-I), changes on existing products (type OEM-II), and new designs available on demand (ODM). Its product can display power usage in real-time, helping users understand their power quality and usage, and optimize power usage. It serves industries such as power automation monitoring, mechanical contracting, transportation, and manufacturing.
HV Hipot Electric Co., Ltd., established in 2003 and based in Wuhan, China, is a manufacturer of electrical safety testing equipment. The company specializes in high voltage testing equipment and tests various kinds of electrical products, such as transformers, circuit breakers, surge arresters, generators and insulators. It also produces products like transformer, switch-gear, electric energy and battery test equipment, partial discharge measurement device and relay protection tester. The company provides OEM and customization services as well as inspection, maintenance and calibration services for its test equipment.
ETCR Electronic Technology Co., Ltd., established in 2006 and located in Guangzhou, China, is a manufacturer of non-contact and electronic measuring instruments. The company offers a range of products, including high-voltage detectors, earth resistance testers, insulation resistance testers, and high-voltage clamp current testers. It also provides a ground fault detector, wireless HV electroscope, and phase sequence detector. Its product can be used to search for hidden ground faults in overhead lines, such as single-phase metallic grounding. The company has received ISO 9001:2015 and CE certifications. It serves industries such as power systems, manufacturing, electrical engineering, maintenance, and troubleshooting.
DOLD is a manufacturer of safety and interlocking devices, founded in 1928, with headquarters located in Furtwangen, Germany. Their product range includes safety relays, electronic housings, safety switches, as well as solenoid interlocks, and key transfer systems. These devices play a crucial role in ensuring secure operations, controlling access, and protecting workers and equipment during manufacturing processes. DOLD is certified according to DIN EN ISO 9001:2015 for quality management and quality systems.
KDS Instrument (Kunshan) Co., Ltd., established in May 2011, is a manufacturer and supplier specializing in power distribution panel-mounted instruments. The company’s product portfolio includes panel meters, shunts, and other related products. They also offer AC and DC voltmeters, ammeters, frequency meters, power meters, and more for power grid applications. All their products are made made to international standards with CE and ISO 9000 certification. The company offers technical support and after-sales service to their global customers across different markets including North and South America, Europe, Asia, and Africa.
Omron Automation, situated in Hoffman Estate, IL established in 1933 is a manufacturer and supplier of fully integrated automation solutions to various industries. The complete portfolio of the company provides safety services, training, and automation services to keep people safe, protect their capital investment and increase their overall equipment effectiveness. The company has 80+ years of industry experience to benefit its clients. Whether a client is looking to protect their people, understand their functional safety risks, train their team, or refurbish a robot, the company can provide customized services to meet their client's needs.
Bender GmbH & Co. KG, established in 1946 and based in Hessen, Germany, is a manufacturer of electrical safety products and solutions. The company offers insulation monitoring equipment, power supplies for medical applications, and measuring and monitoring relays, emphasizing electrical safety for both unearthed and earthed power supplies. Its solutions cater to various sectors, including mobility, energy, healthcare, and industrial applications. The company's solutions are designed to protect people, machinery, and the environment from electrical hazards, also providing critical information on power supply status to prevent potential dangers and downtime.
DEIF A/S, founded in 1933 and headquartered in Skive, Denmark, is a supplier of safe power control products for decentralized power generation on land and sea. The company offers products such as single genset controllers, protection relays, HMI control panels, and pitch battery chargers. The company's products are used in land power, whitepapers, webinars, wind power, and marine sectors. It has ISO 9001:2015 and ISO 14001:2015 quality management certifications and also offers training, repair, and consultancy services.
Proax Technologies Ltd., established in 1962 and based in Mississauga, Canada, is a distributor and supplier of automation product solutions. The company's product range includes power products, connectors, contactors, pneumatics, and terminal blocks. These products are used for automation machinery manufacturing. They primarily serve industries such as automation & robotics, motion control, machine safety, and technical support. The company offers services like technical support, design, build, and assembly for mechanical, electrical, and process applications.
Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
Country | Number of Companies | Share (%) |
---|---|---|
China | 4 | 57.1% |
United States of America | 1 | 14.3% |
Germany | 1 | 14.3% |
Denmark | 1 | 14.3% |