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IS200RPSAG1A - Redundant Supply Interface Card is available in stock which ships the same day.
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TECHNICAL SPECIFICATIONS:
Part Number: IS200RPSAG1A
Manufacturer: General Electric (GE)
Series: Speedtronic Mark VI
Functional Acronym: RPSA
Product Type: Redundant Supply Interface Card
Hardware Revision: Group 1 Architecture, Revision A (G1A)
Redundancy Support: Dual / Redundant Power Routing Interfacing
Circuit Configuration: High-capacity Parallel Auctioneering (Or-ing) Diode Matrix
Galvanic Isolation Benchmark: 1500 V RMS continuous configuration
Input Voltage Tracking: Monitored via dedicated internal low-impedance sensing paths
Filter Topology: Onboard Pi-Filter network with low-inductance chokes and low-ESR capacitors
Thermal Management: Multi-layered copper ground planes, surface thermal vias, and integrated aluminum heatsink blocks
Form Factor / Mounting: Inner cabinet board-level insertion assembly
PCBA Environmental Shielding: High-dielectric polyurethane/acrylic Conformal PCB Coating
Max Ambient Operating Temperature: +65 °C to +149 °F
Repair Lead Time: 3–5 Business Days
Availability: In Stock
Country of Origin: United States
The IS200RPSAG1A is a Redundant Supply Interface Card designed and manufactured by General Electric as part of the Speedtronic Mark VI turbine control framework. Serving a critical infrastructure role, the RPSA board acts as the foundational power management layer that links multiple independent external power supplies to the control rack backplane. By managing voltage balancing and isolation between concurrent supply feeds, the card prevents system trips or processor dropping when an individual external power module experiences an electrical failure or is hot-swapped during online operations.
POWER INTERFACING & DIODE OR-ING LOGIC:
The fundamental layer of the IS200RPSAG1A governs parallel power routing via high-capacity auctioneering (or-ing) diodes. The card accepts power from independent source nodes and channels the current streams down to a single steady internal logic bus. Because the internal circuits constantly draw power from whichever source outputs the higher relative potential, an unexpected drop or direct short on one line is immediately isolated by the reverse-biased diodes, stopping back-feeding and safeguarding system continuity.
SYSTEM COUPLING & COMPONENT ENCLOSURE
The physical real estate of the board features low-impedance connection paths, localized line filters, and decoupling capacitor configurations designed to damp high-frequency ripples and transient voltage spikes. The multi-layered card assembly mounts directly into dedicated power distribution frameworks within the primary Mark VI turbine control panel housing. All active and passive surface-mount components are layered under a protective conformal coating to resist high thermal operating envelopes, humidity, and industrial particulate dust.
WHY PARTNER WITH WORLD OF CONTROLS:
World of Controls is a globally trusted supplier of genuine GE Distributed Speedtronic Turbine Control System parts, offering a comprehensive inventory designed to ensure rapid availability when system uptime is critical. Our certified engineering team provides fast and reliable repair services, typically completed within 3–7 days, while maintaining strict OEM-level quality standards across all components.
We offer competitive pricing on new, unused, surplus, and refurbished parts, all backed by comprehensive warranty coverage for enhanced reliability and peace of mind. With worldwide shipping capabilities and 24/7 technical support, WOC delivers the expertise, responsiveness, and dependability industries rely on to keep Distributed Speedtronic systems operating at peak performance.
What is the GE IS200RPSAG1A?
It is a Redundant Supply Interface Card developed for the Speedtronic Mark VI system. It serves as a specialized power routing gateway that safely integrates dual external power supplies into a single, fault-tolerant backplane supply bus.
How does the RPSA card protect the logic bus during a hard input supply short?
It utilizes high-current Or-ing diodes in a parallel anode configuration. When an input shorts, its corresponding diode shifts into a reverse-biased state within nanoseconds, blocking back-feeding and allowing the backup supply to seamlessly assume the full current load.
How does the board manage the thermal loading generated by its isolation diodes?
The board uses multi-layered copper ground planes, surface-mounted thermal vias, and integrated aluminum heatsink blocks to draw heat away from the diode junctions. This prevents thermal runaway under full load up to +65 C
What onboard filtering prevents SMPS high-frequency noise from entering the rack?
The input stages use a Pi-filter network comprised of inline low-inductance chokes and low-ESR electrolytic/ceramic decoupling capacitors. This matrix suppresses high-frequency switching ripples before power hits the backplane logic bus.
