IS200TPROH1C

Overview

General Electric IS200TPROH1C Emergency Protection Terminal Board (TPRO) is part of the Mark VIe system. It houses PPRO I/O packs, integrates potential transformers for bus and generator voltage inputs, and conditions speed signals for protection functions.

Basic Information

• Manufacturer: General Electric

• Product number: IS200TPROH1C

• Series: Mark VIe

• Type: Emergency Protection Terminal Board

Functional Features

• PPRO I/O packs: 3 housed on board

• Potential transformers (PTs): 2, for bus and generator voltage input

• Signal conditioning: Speed inputs for PPROs

Connectors

• DC‑37 pin connectors: 3 (one on each side of PPRO pack connectors)

• Cable interface: Connects to Mark VIe backup trip relay terminal board

Terminal Blocks

• Pluggable blocks: 2

• Barrier terminals per block: 24

Safety Notes

• Cross‑connection caution: Do not connect 240 VAC and 125 VDC together

• MOV rating: Exceeds peak voltage in 240 VAC applications, risk of failure

• Grounded neutral: In 240 VAC systems, unintended connection applies combined AC peak + 125 VDC to MOVs

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