Description
GE IC3600SCBN1B Speedtronic Mark I/II Control Board for Gas Turbine Systems
The GE IC3600SCBN1B is a plug-in control board from the classic Speedtronic Mark I/II family, typically used for signal handling and control functions within legacy gas turbine panels. From my experience, IC3600-series cards like this one sit in the rack backplane, conditioning analog signals, providing logic-level interfacing, and supporting control loops that keep older turbine packages running reliably. If you’re maintaining a Mark I/II frame and need a direct-replacement card with proven field history, this model is commonly specified in OEM prints and site BOMs.
“We swapped in an IC3600SCBN1B during a scheduled outage—no rewiring needed, and the loop checks were clean.” — Maintenance Lead at a combined-cycle site
Order Placement Process & Guarantees
- Warranty: 365 days standard coverage
- Lead time: In-stock items ship in about 1 week; no more than 1 month latest
- Payment terms: 50% advance payment; full payment prior to delivery
- Express shipping: FedEx, UPS, DHL
- Handling: Anti-static packing and foam crating to protect the PCB edge connector and components
Key Features
- Speedtronic Mark I/II compatibility – Designed for the IC3600 backplane, making it a drop-in card for legacy GE turbine controls.
- Stable analog/logic signal handling – Typically used for conditioning and control tasks that require predictable, low-noise performance.
- Rugged through-hole construction – Components and solder joints that, in many cases, withstand vibration and thermal cycling better than light-weight SMT on older systems.
- Field-serviceable design – You might notice accessible test points and discrete devices that simplify troubleshooting during outages.
- Backplane edge connector – Clean installation without field rewiring; the card mates directly with the Speedtronic rack.
- Revision-controlled build (N1B) – The “1B” suffix indicates a hardware revision that aligns with many site prints and panel wiring expectations.
Technical Specifications
| Brand / Model | GE IC3600SCBN1B (Speedtronic Mark I/II series) |
| HS Code | 8538.90 (Parts for switching/protective apparatus and control panels) |
| Power Requirements | Backplane-supplied low-voltage DC; typically +5 V (logic) and ±15 V (analog) rails in Mark I/II racks |
| Dimensions & Weight | Standard IC3600 single-width card; approx. 150 × 100 mm; ≈0.2 kg (typical) |
| Operating Temperature | Typically 0 to +60 °C in a ventilated control cabinet environment |
| Signal I/O Types | Backplane edge-connector signals (analog conditioning and logic-level interfacing depending on loop design) |
| Communication Interfaces | None (no external fieldbus; rack backplane only) |
| Installation Method | Plug-in PCB; slides into card guides and mates with the Speedtronic Mark I/II backplane connector |
Related or Supporting Products
- GE IC3600SSVD1 – Common Speedtronic card used for signal processing; often seen on the same rack with SCB-series boards.
- GE IC3600SCPB1 – Control/processing board variant; typically used where additional logic interfacing is required.
- GE IC3600SBBC1 – Buffer/conditioning style board; suitable as a functional neighbor depending on loop mapping.
- GE IC3600 series backplane and guides – Replacement card rack guides, edge connectors, and retention hardware for Mark I/II panels.
- Terminal boards and wiring kits (Speedtronic Mark I/II) – Useful when refurbishing cabinets or replacing aged harnesses to restore signal integrity.
If you’re cross-referencing the IC3600SCBN1B against site drawings, share your print/slot position and we’ll verify interchangeability with nearby SCB/SSV/SCP variants before shipment.
Installation & Maintenance
- Cabinet environment: Install in a clean, dry, ventilated control cabinet; maintain airflow around the rack to keep board temperatures stable.
- Handling & ESD: Use a grounded wrist strap and anti-static bagging. Avoid touching discrete components and the gold edge connector.
- Wiring & seating: Power down the panel, verify lockout/tagout, then slide the card into the guides until the edge connector is fully seated; secure with the rack’s retention hardware.
- Loop check: After install, perform I/O verification and logic/analog checks according to your turbine startup or commissioning procedure.
- Routine care: Periodically clean dust with dry, oil-free air; check backplane connectors for oxidation; reseat annually if the cabinet sees vibration.
- Calibration/updates: This is a legacy board; no firmware. If the loop includes adjustable trimmers, follow site procedures for calibration during outages.
Quality & Certifications
- Build standard: GE-manufactured legacy spare for Speedtronic Mark I/II systems; functional testing performed prior to dispatch.
- Certifications: Legacy components may not carry modern CE/UL marks; supplied under ISO-aligned QA handling and traceable packing records.
- RoHS: As a classic design, RoHS exemption may apply; best treated as non-RoHS for compliance planning.
- Warranty: 365-day warranty against functional defects from delivery date.
One thing I appreciate is how consistently these IC3600 cards behave once they’re seated in a clean rack—troubleshooting tends to be straightforward, and in most cases, swap-and-test gets you back on-line quickly. If you can share your cabinet photos or slot map, we’ll double-check the SCBN1B alignment with your specific panel revision before we ship.
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