Product Overview

The General Electric IS200VTURH1BAC is a primary turbine protection board used in Speedtronic Mark VIe control architectures to support overspeed trip functions and related protection logic. It processes turbine speed pulse inputs and coordinates trip relay actuation through the Mark VIe protection chain, providing a hardware layer for shutdown initiation when overspeed or protection conditions are detected.

The board is applied in both simplex and redundant control designs. In Triple Modular Redundant (TMR) systems, it supports coordinated operation across multiple relay paths; in simplex systems, it supports a reduced set of trip channels while maintaining the same protective intent. Integration is typically performed with dedicated terminal boards used for relay output, contact sensing, and trip distribution within the Mark VIe cabinet.

Hardware Parameters

• Model / Order Number: IS200VTURH1BAC

• Brand: General Electric

• Product Series: Mark VIe

• Product Type: Primary Turbine Protection Board

• Primary function: Overspeed protection logic and trip relay control interface

• Speed input capability:

• MPU pulse frequency range: 2 Hz to 20 kHz

• Speed measurement accuracy: 0.05%

• Trip relay control:

• Supports three primary overspeed trip relay outputs per protection path

• Designed to operate in simplex or redundant architectures (including TMR)

• Contact and circuit supervision:

• Contact voltage sensing levels: 20 VDC (HI) and 6 VDC (LO) for status/fault detection

• Supports integrity monitoring for protection circuits and relay paths

• Terminal board interfacing (typical Mark VIe protection wiring):

• Interfaces with terminal boards used for trip relay distribution and protection I/O, including TRPG, TRPL, TREG, and TRPS families

• Condition: Brand New

• Lead time: In Stock

• Status: Active

• Weight: 0.3 kg

• Dimensions: 2.1 × 18.6 × 26.1 cm

• System: DCS / Turbine Control

• HS Code: 8537101190

• MOQ: 1

• Origin: USA

Industrial Applications

• Gas turbine overspeed protection and emergency shutdown systems

• Steam turbine protection schemes requiring high-speed pulse measurement

• Power generation facilities using Mark VIe cabinets for turbine control and protection

• Retrofit, spares, and lifecycle maintenance for installed Speedtronic protection hardware

• Plants requiring simplex or TMR protection architectures with relay-based trip distribution