GE IS200TRLYH1B – Product Description

Overview

The GE IS200TRLYH1B Relay Output Terminal Board is a high-performance interface module for the Mark VI Speedtronic turbine control system. It provides reliable communication between turbine control logic and high-power devices, including solenoids, ignition transformers, and generator breakers. Moreover, its compact design ensures quick integration into industrial control cabinets, while maintaining rugged durability for extreme operating environments.

Technical Specifications

Relay Configuration

• 12 Form‑C magnetic latching relays

• Each relay channel independently replaceable

Contact Ratings

• 2 A @ 125 VDC (resistive load)

• 3 A @ 120/240 VAC (resistive load)

• 0.6 A @ 125 VDC (inductive load)

Coil Drive Voltage

• 24 VDC or 125 VDC (jumper selectable)

Response Time

• Trip output ~10 ms

Protection Features

• MOV surge suppression

• Freewheeling diode protection

• 6 fused branches, 1 unfused

• 1500 Vrms isolation between channels

Hot-Swap Capability

• Euro-block terminals allow replacement of 8-channel groups

• EEPROM auto-downloads parameters during swap

Environmental Ratings

• Operating: –40 °C to +70 °C

• Storage: –40 °C to +85 °C

Physical Specifications

• Dimensions: 178 mm × 330 mm

• Weight: 0.55kg

FAQ

Q1: Is the IS200TRLYH1B compatible with the Mark VI Speedtronic system?
Yes. It is fully designed for integration with GE Mark VI turbine controllers.

Q2: Can individual relay channels be replaced in the field?
Yes. Each Form‑C relay channel is independently replaceable without replacing the entire board.

Q3: How fast does the board respond to overspeed events?
Trip outputs respond in approximately 10 milliseconds for critical protection events.

Q4: Does it support hot-swapping?
Yes. Eight-channel groups can be replaced online with auto parameter download.

Q5: What operating environments are supported?
The board operates from –40 °C to +70 °C and is suitable for harsh turbine installations.