+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
GE IC3603A177: Potted Relay Module for Legacy GE Turbine Control Systems
Product Overview
The GE IC3603A177 is a potted relay module designed for integration with GE’s Mark I and Mark II Speedtronic turbine control systems . As a discontinued component, it plays a critical role in switching and isolating electrical circuits, ensuring reliable operation of legacy industrial automation systems. The module is part of GE’s IC3600 series, which includes related variants like the IC3603A177AH9 (12V DC coil) and IC3603A177CG5 (105V DC coil) 1115.
Technical Specifications (Inferred from Legacy GE Systems)
| Parameter | Value |
|---|---|
| Product Model | GE IC3603A177 |
| Manufacturer | General Electric (GE Fanuc, now Emerson Automation) |
| Product Type | Potted Relay Module (electromagnetic relay with hermetic encapsulation) |
| Compatibility | GE Mark I/II Speedtronic turbine control systems |
| Function | Circuit switching, isolation, and control for low-power signals |
| Coil Voltage | 12V DC (IC3603A177AH9) 16, 105V DC (IC3603A177CG5) 11, or 115V AC/DC (IC3603A177AG9) 20 |
| Contact Configuration | 14 screw terminals (1–14) with gold-plated ground terminals |
| Physical Dimensions | ~95mm × 65mm × 50mm (metal enclosure with screw-mounted terminals) |
| Weight | ~0.5 kg |
| Warranty | 30 days to 1 year (third-party suppliers, e.g., Ax Control) |
Key Features and Advantages
Hermetic Encapsulation:
The IC3603A177 is potted in a resin compound to protect against dust, moisture, and vibration, making it suitable for harsh industrial environments (operating temperature: -20°C to 70°C) .
The IC3603A177 is potted in a resin compound to protect against dust, moisture, and vibration, making it suitable for harsh industrial environments (operating temperature: -20°C to 70°C) .
Electromagnetic Relay Operation:
Activated by a low-power signal, the relay opens/closes high-power circuits, enabling safe control of critical systems like turbine actuators and safety interlocks .
Activated by a low-power signal, the relay opens/closes high-power circuits, enabling safe control of critical systems like turbine actuators and safety interlocks .
Rugged Design:
Housed in a metal casing with screw terminals, the module is designed to withstand mechanical vibrations and voltage spikes common in power plants and industrial facilities .
Housed in a metal casing with screw terminals, the module is designed to withstand mechanical vibrations and voltage spikes common in power plants and industrial facilities .
Diagnostic Feedback:
LED indicators (e.g., power status, fault alerts) provide real-time operational insights, simplifying troubleshooting and reducing downtime .
LED indicators (e.g., power status, fault alerts) provide real-time operational insights, simplifying troubleshooting and reducing downtime .
Cost-Effective Retrofit:
As a discontinued component, the IC3603A177 is available through third-party suppliers at competitive prices. Refurbished units undergo rigorous testing to meet OEM standards, offering a cost-efficient alternative to modern replacements .
As a discontinued component, the IC3603A177 is available through third-party suppliers at competitive prices. Refurbished units undergo rigorous testing to meet OEM standards, offering a cost-efficient alternative to modern replacements .
Application Areas
The IC3603A177 is typically deployed in industries requiring reliable circuit switching for legacy GE systems:
- Power Generation: Supports steam/gas turbine control systems by managing signals for speed regulation, fuel valves, and emergency shutdowns.
- Oil & Gas: Used in compressor stations and pipeline systems to isolate circuits during maintenance or fault conditions.
- Industrial Manufacturing: Enhances process control in chemical and pulp/paper plants by switching signals for PLCs and distributed control systems (DCS).
Related Products
- IC3603A177AH9: 12V DC coil variant for low-voltage applications 16.
- IC3603A177CG5: 105V DC coil variant for high-voltage control circuits 11.
- IC3603A177AG9: 115V AC/DC coil variant for versatile power compatibility 20.
- IC3603A280A: Transistor assembly with heat sink functionality, complementary to the IC3603A177 in high-power applications .
Installation and Maintenance
Installation Preparation:
- Verify coil voltage compatibility (12V DC, 105V DC, or 115V AC/DC) and ensure proper grounding of the control cabinet.
- Mount the module on a flat surface using captive screws, securing shielded cables to minimize electromagnetic interference.
- Configure terminal connections based on the circuit diagram provided in GE’s Mark I/II system documentation .
Maintenance Recommendations:
- Regularly inspect for loose connections or corrosion, particularly in high-humidity environments.
- Replace worn-out relays if contact resistance exceeds OEM specifications.
- Maintain a spare IC3603A177 for hot-swap replacement during scheduled downtime.
Product Warranty and Availability
The IC3603A177 is backed by a 30-day to 1-year warranty from third-party suppliers (e.g., Ax Control), covering defects in materials and workmanship for refurbished units . GE’s original factory warranty does not apply. Warranty exclusions include damage from improper installation or unauthorized modifications.
Inventory Status: Typically available in refurbished condition, with lead times ranging from 3–10 business days (U.S. suppliers).
- HS:7326909000
Contact info
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- Phone: +86 18030182217
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