GE IS200TREGH1BDB Turbine Emergency Trip Terminal Board New In Stock

Overview

The GE IS200TREGH1BDB is a turbine emergency trip terminal board used in GE’s Mark VI control systems. It provides the positive-side power interface for emergency trip solenoids and integrates relay logic for turbine protection and shutdown operations.

General Information

Part Number: IS200TREGH1BDB
Manufacturer: GE (General Electric)
Brand Origin: USA
Series: IS200 / Mark VI
Type: Turbine Emergency Trip Terminal Board
Mounting: Rack-mounted installation within Mark VI control cabinet
Technology: Relay-based trip logic board for positive-side power control of emergency trip solenoids

Power Specifications

Supply Voltage: 125 V DC nominal
Power Capacity: Supports up to three trip solenoids (in conjunction with the negative-side board)
Protection: Hardware interlock filters with approximately 4 ms response time
Indicators: None; relay operation and fault states are monitored through the controller

Communication & Interface

Backplane Interface: Connects directly to the Mark VI control backplane
Terminal Blocks: Two terminal blocks for field wiring to solenoids and trip interlocks
Diagnostics: Includes an onboard identification device for board model and revision tracking
Operator Interface: None (hardware-level board only)

I/O & Channels

Relay Channels: 12 relays, with 9 arranged in three groups of three for voting logic
Discrete Channels: Field terminals for trip solenoids and control interlocks
External Load Support: Drives emergency trip solenoid circuits through relay contacts

Environmental

Operating Temperature: 0 °C to +60 °C
Humidity: Up to 95% RH, non-condensing
Protection Rating: IP20 (for internal cabinet installation)

Dimensions & Weight

Dimensions (L × W × H): 178 × 330 × 25 mm
Weight: ~0.7 kg

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