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Phone：+86 17062388866Description
The GE DS200RTBAG3AHC is a heavy-duty Relay Terminal Board Assembly engineered for GE’s Mark VIe turbine control and safety systems, providing robust signal conditioning and isolation in extreme industrial environments. Designed as the critical interface between field devices and control modules, this third-generation terminal board features military-grade connectors and corrosion-resistant materials suitable for offshore, mining, and power generation applications. The GE DS200RTBAG3AHC supports 48 points of mixed signal types (RTDs, T/Cs, 4-20mA, dry contacts) with individual galvanic isolation up to 2500V AC between channels. Its patented spring-cage terminal blocks accept 8-24 AWG conductors without tools while maintaining<1m>DS200RTBAG3AHC enables rapid module replacement without rewiring through its slide-in design with keyed alignment pins.
GE DS200RTBAG3AHC
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | DS200RTBAG3AHC |
| Manufacturer | GE (General Electric) |
| Product Type | Terminal Board Assembly |
| Terminal Points | 48 (configurable in groups of 8) |
| Signal Types | mA/V (active/passive), RTD (2/3/4-wire), TC (J/K/T/E), DI |
| Isolation | 2500V AC channel-to-channel, 4000V AC field-to-logic |
| Contact Rating | 5A @ 250V AC continuous |
| Contact Resistance | <1m> |
| Terminal Type | Spring-cage (push-in) |
| Wire Range | 8-24 AWG (0.08-2.5mm²) |
| Surge Protection | 10kA 8/20μs per channel |
| Operating Temperature | -40°C to +105°C |
| Vibration Resistance | 5g @ 10-500Hz (IEC 60068-2-6) |
| Dimensions | 340 × 120 × 45 mm |
| Certifications | ATEX Cat 3, IECEx, UL 1059 |
Main Features and Advantages
Extreme environment durability: Marine-grade stainless steel terminals and conformal-coated PCBs withstand salt spray (1000hrs per ASTM B117), H₂S atmospheres, and 98% RH non-condensing environments. Gold-plated signal paths prevent fretting corrosion in high-vibration applications.
Intelligent channel configuration: Field-configurable jumpers allow mixing signal types within the same module group. Automatic burnout detection for RTDs/Thermocouples with<2>Safety-enhanced design: Mechanical interlock prevents insertion into powered racks. Visual arcing containment barriers separate high-energy circuits (>50V). Each channel features independent fusing (0.1-2A fast-acting) with blown-fuse detection reported to controller.
Application Field
The GE DS200RTBAG3AHC excels in corrosive and high-vibration installations where signal integrity is critical. Offshore platforms utilize it for subsea valve position feedback in splash zones with salt spray exposure. Mining conveyor systems leverage its dust-tight seals (IP66 when installed) for belt alignment monitoring in coal handling plants.
In geothermal plants, the board withstands H₂S-rich atmospheres while processing wellhead thermocouples. Steel ladle crane controls benefit from its vibration tolerance during molten metal transfer. The GE DS200RTBAG3AHC is essential for turbine lube oil monitoring systems, where it conditions vibration probe signals near 120°C bearing housings. Wastewater treatment plants deploy it for pH/ORP electrode interfaces in chemically aggressive sumps.
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Installation and Maintenance
Pre-installation preparation: Verify rack compatibility (Mark VIe Series 3+). Clean contact surfaces with electronic-grade isopropyl alcohol. Apply anti-oxidation compound to copper conductors before insertion. Configure channel jumpers per wiring diagrams.
Maintenance recommendations: Perform annual torque verification (0.6 N·m) on retention screws. Check for terminal discoloration indicating overheating. Replace after 15 years service or if insulation resistance drops below 100MΩ @ 500VDC. Use GE-approved contact cleaning tools during maintenance.
