IS200SRLYH1A - Simplex Relay Output Terminal Board

IS200SRLYH1A - Simplex Relay Output Terminal Board IS200SRLYH1A - Simplex Relay Output Terminal Board

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Part Number: IS200SRLYH1A
Manufacturer: General Electric
Series: Mark VIe
Product Type: Simplex Relay Output Terminal Board
Number of channels: 12
Max load Current: 125 V dc
Outputs: 24 V dc
Voltage Range: 14 to 32 V dc
Maximum Lead Resistance: 15 Ω
Outputs: 24 V dc
Mounting: DIN-rail mounting
Technology: Surface mount
Operating temperature: -30 to 65°C
Size: 15.9 cm high x 17.8 cm
Repair: 3-7 Day
Availability: In Stock
Weight: 2 lbs
Country of Origin: United States
Manual: GEH-6721L


IS200SRLYH1A is a Simplex Relay Output Terminal Board manufactured and designed by General Electric as part of the Mark VIe Series used in GE Distributed Control Systems. The Simplex Relay Output (SRLY) terminal board is a simplex S-type terminal board accepting a PDOA /YDOA I/O pack and providing 12 form C relay output circuits through 48 customer terminals. SRLY has the same physical size, customer terminal locations, and I/O pack mounting as other S-type terminal boards. No components will be higher than an attached PDOA / YDOA I/O pack, permitting double stacking of terminal boards. Each relay on SRLY uses an isolated contact pair as position feedback to PDOA / YDOA.


SRLY and a plastic insulator mounts on a sheet metal carrier and is then mounted to a cabinet by screws. If an option board is used, it plugs into SRLYH2A or SRLYS2A and is held in place by the force of the connectors. The following table identifies the function of each terminal point as it relates to the presence of an option board.


SRLY is available in two groups. SRLY1A comes with fixed box terminals and omits option board connectors JW1 and JW2. SRLY2A uses pluggable type terminals and has connectors JW1 and JW2 supporting option board connection. Without an option board, the SOL terminal associated with each relay has no connection. SRLY is designed to support a current rating of 5 A and voltage clearance greater than is needed for 250 V ac on all customer screw and JW1 circuits. The relay rating is the limiting item for each application.


  • There are no jumpers associated with the SRLY terminal board.
  • Option board WROBH1 includes six jumpers used to apply or remove power from a relay. Boards are produced with all six jumpers in place. The jumper is removed from the board when a relay is to be used as dry contacts and power distribution is not desired.
  • There are no jumpers associated with the WROFH1 board. For each relay, the inclusion or exclusion of a series fuse is determined by the terminal point used as the relay common. In addition for each relay the associated WROF fuse may be removed to allow direct use of the fuse voltage sensing circuit as a voltage detector.
  • There are no jumpers associated with the WROGH1 board. For each relay, the corresponding fuse may be removed if the relay is to be used to provide dry contacts.

WOC has the largest stock of GE Distributed Control System Replacement Parts. We can also repair your faulty boards. WORLD OF CONTROLS can also supply unused and rebuilt backed-up with a warranty. Our team of experts is available round the clock to support your OEM needs. Our team of experts at WOC is happy to assist you with any of your automation requirements. For pricing and availability on any parts and repairs, kindly get in touch with our team by phone or email.


What is a Simplex relay output terminal board?

A Simplex relay output terminal board is a device used in electrical systems to control the switching of electrical circuits. It typically consists of multiple relay modules mounted on a single board, allowing for easy integration and control of various devices.

What are the applications of Simplex relay output terminal boards?

These boards are commonly used in industrial automation, building management systems, security systems, and other applications where remote control of electrical devices is needed. They can be used to switch lights, motors, alarms, and other equipment.

How do Simplex relay output terminal boards work?

Each relay module on the board is connected to an input signal, which triggers the relay to either open or close the associated electrical circuit. This allows for the control of devices based on specific conditions or commands received from a central control system.