The AGH520S (part number 3BHL000986P9000) Coupling Device is a specialized component used to extend the nominal voltage range of insulation monitoring devices, particularly Bender's ISOMETER® series (like iso685 and IRDH series).

 It allows these monitoring systems to safely and accurately detect insulation faults in higher voltage AC systems, specifically up to 7200 V (7.2 kV) with frequencies from 50 to 400 Hz. 

This coupling device acts as an interface, connecting the insulation monitor to the high-voltage system being monitored by one pole, enabling safe and reliable measurement without exposing the monitor to the full system voltage.

This device is crucial for ensuring safety and operational integrity in medium-voltage applications across various industrial sectors, including power generation, distribution, and facilities with large motor drives or complex electrical networks. 

By extending the monitoring capabilities of ISOMETER® devices to higher voltage ranges, the AGH520S helps prevent electrical hazards, minimize downtime due to insulation failures, 

and ensure the continuous and safe operation of critical electrical infrastructure. Its robust, resin-encapsulated design is built for continuous operation in demanding industrial environments.

AGH520S (部件号 3BHL000986P9000) 耦合装置是一种专用组件，用于扩展绝缘监测设备（特别是 Bender 的 ISOMETER® 系列，如 iso685 和 IRDH 系列）的额定电压范围。它使这些监测系统能够安全准确地检测高压交流系统中的绝缘故障，

特别是高达 7200 V（7.2 kV），频率为 50 至 400 Hz 的系统。该耦合装置充当接口，通过一个极点将绝缘监测器连接到被监测的高压系统，从而实现安全可靠的测量，而不会使监测器暴露于完整的系统电压。

该设备对于确保各种工业领域（包括发电、配电以及拥有大型电机驱动器或复杂电网的设施）中中压应用的安全性和运行完整性至关重要。通过将 ISOMETER® 设备的监测能力扩展到更高电压范围，

AGH520S 有助于防止电气危险，最大程度地减少因绝缘故障导致的停机时间，并确保关键电气基础设施的持续安全运行。其坚固的树脂封装设计适用于恶劣工业环境中的连续运行。

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For the relevant manual, please click to download and learn about the specific parameters

3BHL000986P9000.pdf

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How to purchase

YMGK offers one-stop global industrial product procurement

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We have 121 shared inventories worldwide, with direct procurement from overseas warehouses. We offer favorable prices and after-sales warranty services. 

Our customers come from the United States, Germany, Japan, South Korea, the United Kingdom, France, Italy, Canada, Brazil, India, Australia, Russia, Spain, the Netherlands,

Switzerland, Sweden, Belgium, Austria and Turkey

All products are brand new and original. The warranty period for spare parts is one year and they have been tested and certified.

If you need to order more than one product, please contact us and we can offer you a discount.

If you find that other suppliers offer lower prices for the same products, we are also willing to provide you with further discounts based on the budget.

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