Description

GE IS200SPROH1A Product Introduction
Brand: General Electric (GE)
Model: IS200SPROH1A
Product Name: Backup Protection Terminal Board (PPRO Terminal Board, Mark VIe Series)
Dimensions: Approximately 178 mm × 159 mm × 23 mm
Weight: Approximately 0.50 kg
Place of Origin: United States

IS200SPROH1A

HS Code: 85389091 (electrical control system circuit board spare part, for reference only, subject to local customs verification)
Operating Temperature: 0 °C to +65 °C cabinet ambient operating temperature; storage temperature ranges from -40 °C to +85 °C
Supply Voltage: 24 VDC nominal system power supply fed from Mark VIe rack backplane
Operating Current: Typical 1.0 A at 24 VDC under full operating load
Function: Accepts magnetic pickup speed input signals and performs signal conditioning for turbine overspeed backup protection. Two integrated onboard potential transformers measure generator and bus AC voltage for loss-of-excitation and voltage-related protection functions. Equipped with 12 relay output channels for hardware backup trip commands and interlock signalling. It adopts barrier-style screw terminal blocks for field device wiring, and uses dedicated connectors to mate with PPRO I/O pack. The conformal-coated circuit board offers enhanced moisture and dust resistance for industrial cabinet environments. It implements independent hardware overspeed trip logic separate from main CPU control, delivers hardwired trip outputs for turbine emergency shutdown. DC-37 pin connectors facilitate internal rack interconnection. It is designed for panel standoff mounting inside turbine control cubicles, and supports maintenance without disturbing other Mark VIe rack modules.
Humidity Rating: 5-95 % non-condensing relative humidity for operation.
Installation: Cabinet standoff panel mounting; field wiring via barrier screw terminals; interconnection with PPRO I/O pack and rack via dedicated pin connectors.

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