DS3800HRRB1B - Relay Output Board

DS3800HRRB1B - Relay Output Board DS3800HRRB1B - Relay Output Board

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Part No.: DS3800HRRB1B
Manufacturer: General Electric
Country of Manufacture: United States(USA)
Product Type: Relay Output Board
Series: Mark IV

The DS3800HRRB1B is a Relay Output Board under the Mark IV series. It is a part of General Electric's Speedtronic series of products. HRRB1B1A contains sixteen EEPROMs and EPROMs. Only one EEPROM can be encoded. Where EPROMs can be encoded as required.


  • The board contains eight shiny rectangles known as crystal oscillators. A crystal oscillator generates an electrical signal with a specific frequency. The HRRB is divided into seven barriers. There are nearly seventy regulators.
  • It is outfitted with eight red LEDs, eight off-white LEDs, and one yellow LED.
  • To secure it in the existing setup, the module has four contact points, one in each corner of the board. Each piece has its own identification.

Auxiliary Display

  • The CRT backup is provided by the Auxiliary Display, which is located in the upper right corner of the Operator Interface Module. It allows an operator to view key system parameters (List Mode) and to view and acknowledge all alarms (Alarm Mode) based on data from any of the four control panel computers C, R, S, or T.
  • The Auxiliary Display is made up of a digital display, computer status indicators, and two groups of switches. When using the Auxiliary Display, the instruction plate plate has a magnetic backing that allows it to be attached to the panel front.


The most extensive collection of GE Speedtronic Mark IV control components can be found at World of Controls. Our experts are available to assist you with your OEM requirements at any time. We go above and beyond to ensure our customers' satisfaction. We want your machinery or facility to be operating at peak efficiency. We are here to assist you. If you require any additional information, please contact WOC.


Frequently Asked Questions


What is DS3800HRRB1B?
DS3800HRRB1B is a Relay Output Board under the Mark IV series.

How to Obtain this Relay Output Board?
World of Controls provides OEM Mark IV as well as other OEM turbine control products. Contact WOC.