Description
Overview
The IS200WETBH1A Top Box B Module is a ruggedized terminal and interface board engineered by General Electric for the Mark VIe wind turbine control platform. Designed specifically for harsh outdoor environments, this module provides protected signal termination and environmental isolation for turbine‑mounted electronics. Its construction includes a full conformal coating, ensuring long‑term reliability in moisture‑rich, corrosive, or offshore conditions.
Functional Characteristics
The module belongs to the WETB functional family, indicating its role as a watertight termination assembly. The IS200WETBH1A is built to support wind turbine control architectures where environmental sealing and robust electrical connections are essential. The IS200 prefix identifies it as a domestically manufactured Mark VIe component, while the H1 suffix denotes Group 1 classification and enhanced protective coating.
Although detailed electrical specifications are limited, the module is designed to serve as a protected interface point for analog, digital, or communication signals routed between nacelle‑level equipment and the main control system. Its mechanical design supports stable installation in turbine top boxes, where vibration, humidity, and temperature fluctuations are common.
Mechanical and Environmental Features
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Dimensions: 28.5 × 22.6 × 9.5 cm
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Weight: 0.6 kg
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Conformal‑coated PCB for moisture and corrosion resistance
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Likely includes stainless‑steel hardware and sealed connectors
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Suitable for coastal, offshore, and high‑humidity wind turbine environments
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Designed for long‑term operation in turbine nacelles and tower‑top enclosures
System Integration
The IS200WETBH1A integrates into Mark VIe wind turbine control systems as a protected termination point for field wiring. Its watertight construction helps maintain signal integrity and prevents environmental ingress that could compromise turbine operation. The module is typically installed within top‑box assemblies and may interface with other Mark VIe I/O or communication boards.
Applications
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Wind turbine top‑box assemblies
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Offshore and coastal wind farms
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Harsh‑environment signal termination
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Mark VIe renewable‑energy control systems
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Moisture‑resistant wiring interfaces
Technical Specifications Table
| Parameter |
Specification |
| Model |
IS200WETBH1A |
| Product Type |
Top Box B Environmental Terminal Module |
| Series |
Mark VIe |
| PCB Protection |
Full conformal coating |
| Environmental Rating |
Suitable for harsh/outdoor turbine environments |
| Dimensions |
28.5 × 22.6 × 9.5 cm |
| Weight |
0.6 kg |
| Origin |
USA |
| System |
DCS / Wind Turbine Control |
| Status |
Active |
FAQ
Q: What is the primary purpose of the IS200WETBH1A A: It serves as a protected terminal board for wind turbine top‑box assemblies, ensuring reliable signal termination in harsh environments.
Q: Does the module include conformal coating A: Yes. The H1 designation indicates a conformal‑coated PCB for enhanced environmental protection.
Q: Is this module used only in wind turbines A: It is primarily designed for Mark VIe wind turbine systems, especially in outdoor or offshore installations.
