This board provides precise power monitoring for GE Mark VIe turbine systems. It senses voltage and current conditions across critical circuits. Therefore, it protects expensive equipment from electrical faults.
Technical Specifications of GE IS200WROBH1A IS200WROBH1AAA
The GE IS200WROBH1A IS200WROBH1AAA measures 23.5 cm in length and 16.0 cm in width. Its board weight equals approximately 0.48 kg for easy installation. A single 64-pin male connector interfaces with the main control backplane. Additionally, the board contains four independent relay output channels.
| Parameter | Specification |
|---|---|
| Brand | General Electric (GE) |
| Full Model | IS200WROBH1A IS200WROBH1AAA |
| Category | Relay Power Sensing Board |
| Dimensions (L x W) | 23.5 cm x 16.0 cm (9.25″ x 6.30″) |
| Board Weight | 0.48 kg (1.06 lbs) |
| Primary Interface | 1 x 64-pin Male Connector |
| Relay Channels | 4 Independent Form C Relays |
| Relay Contact Rating | 5A at 250 VAC / 30 VDC |
| Voltage Sensing Range | 0–600 VAC (True RMS) |
| Current Sensing Range | 0–5 A via External CTs |
| On-Board Components | 4 Relays + 3 Signal Transformers |
| Energy Storage | 2 x 470 µF Aluminum Capacitors |
| Operating Voltage | +5 VDC and +24 VDC from Backplane |
| Response Time | < 20 ms for Overvoltage Events |
Energy Storage and Fault Response
The GE IS200WROBH1A IS200WROBH1AAA stores energy using two large aluminum capacitors. These capacitors maintain relay coil power during momentary supply dips. Each relay can switch up to 5 amps without external drivers. Consequently, the board responds to overvoltage events in under 20 milliseconds.
Installation and Mechanical Layout
You will find all four relays arranged in a single row across the board. Each relay includes clearly marked NO, NC, and COM terminals. The board also features four mounting holes at each corner. Therefore, it fits securely into standard Mark VIe rack slots.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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