Product Name: RTBA Relay Terminal Board
Brand Name: GE
Model Number:DS200RTBAG3AHC
Country of Origin:USA
Warranty: 12 Months
Whatsapp：+86 18159889985
Email：[email protected]
Brand Name: |
General Electric |
Model Number: |
DS200RTBAG3AHC |
Country of Origin: |
USA |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
Delivery time in stock |
Payment Terms: |
T/T |
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Sales Manager: |
Stella |
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Send an email: |
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Contact in Whatsapp: |
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Parameter |
Specification |
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Part Number |
DS200RTBAG3AHC |
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Manufacturer |
General Electric (GE) / GE Fanuc |
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Functional Acronym |
RTBA (Relay Terminal Board Assembly) |
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Series Compatibility |
Mark V, Mark VI, Mark VIe Speedtronic |
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Product Type |
Relay Terminal Board / Power Excitation Board |
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Number of Relays |
10 relays (designated K20–K29), Form A or Form C |
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Coil Voltage |
115 VAC / 24 VDC |
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Terminal Points |
52 I/O terminal points |
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Input Voltage (Logic) |
12–24 VDC |
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Output Voltage |
10–20 VAC |
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Output Current |
100 mA |
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Rated Current per Terminal |
10 A continuous |
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Rated Voltage (Terminals) |
250 V AC/DC max |
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Operating Temperature |
–20°C to +70°C (some sources: –40°C to +70°C) |
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Storage Temperature |
–40°C to +85°C |
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Humidity Tolerance |
5% to 95% RH (non-condensing) |
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Dimensions (W × H × D) |
28.6x7.5x5.5cm |
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Weight |
0.62kg |
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PCB Coating |
Normal Coating |
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Reference Manual |
GEI-100167 |
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MTBF |
414,248 hours |
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Certifications |
CE, UL, ISO 9001:2015 |
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Country of Origin |
Sweden / USA |
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Availability |
In Stock |
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Warranty |
1–3 years (manufacturer supported) |
The DS200RTBAG3AHC is a Relay Terminal Board Assembly (RTBA) engineered by GE for Speedtronic Mark VI gas and steam turbine control systems. This DS200RTBAG3AHC interfaces between the control system and field devices, offering relay‑driven outputs for safety interlocks and valve actuation. Equipped with ten relays and 52 terminal points, the DS200RTBAG3AHC supports high‑current loads up to 10 A while providing galvanic isolation for control circuits. Part of the DS200 series, the DS200RTBAG3AHC delivers robust performance in high‑temperature, high‑vibration environments, making it a trusted component in power generation applications.
Turbine startup/shutdown sequencing and fuel valve actuation
Emergency Shutdown (ESD) systems and grid synchronization
Compressor station control and pipeline valve arrays
Industrial machinery safety interlocking and fail‑safe logic
Steam turbine protection and actuator management
Ten On‑board Relays: Relays K20–K29 switch high‑current loads up to 10 A, eliminating external interposing hardware.
52 Screw Terminal I/O Points: Organised connections for sensors, actuators, and limit switches reduce panel wiring errors.
Galvanic Isolation: Separates low‑voltage logic from high‑power field circuits, blocking ground loops and EMI.
Hot‑Swap Capability: Module can be replaced while the turbine system remains operational, minimising production downtime.
Diagnostic LED Indicators: Immediate visual feedback for relay status, channel activity, and fault detection.
Industrial Construction: Flame‑retardant housing withstands chemical exposure, dust, and temperatures up to 70°C.
Dual Drive Modes: Relays can be activated directly by pilot relays or remotely by the control system.
Overcurrent and Short‑Circuit Protection: Built‑in protection mechanisms prevent damage from load faults.
High Reliability (414k MTBF): Industrial‑grade design ensures long service life with minimal maintenance intervention.
Conditions and routes relay signals between the Mark V/VI controller and field actuators, converting low‑power logic commands into high‑current contact closures.
Electrically disconnects control circuits from power circuits via galvanic barriers, protecting sensitive electronics from voltage surges.
Executes emergency trip logic when the turbine protection system demands shutdown, de‑energising critical loads through fail‑safe relay action.
Consolidates field wiring from multiple solenoids, annunciators, and contactors onto a single terminal board, reducing cabinet clutter.
Reports diagnostic status via on‑board LEDs and backplane signalling; any relay fault or open circuit triggers an alarm for operator action.
Drives both low‑signal sensors (dry contacts) and high‑power actuators using the same terminal points, eliminating separate interface modules.
Q1: What is the DS200RTBAG3AHC used for?
A1: The DS200RTBAG3AHC is a relay terminal board that connects and manages relays for safety interlocks, valve control, and actuator management in GE Mark V/VI Speedtronic turbine systems.
Q2: How many relays does the DS200RTBAG3AHC have?
A2: It contains ten relays (designated K20–K29). Some variants are factory‑configured as Form A (normally open) or Form C (changeover), depending on the control scheme.
Q3: What voltage does the DS200RTBAG3AHC require?
A3: The logic side accepts 12–24 VDC. Relays typically operate on 115 VAC coils, but the board can be field‑configured for other voltages within the 24–125 VAC/VDC range.
Q4: Is the DS200RTBAG3AHC hot‑swappable?
A4: Yes. The DS200RTBAG3AHC supports live insertion and removal, allowing module replacement without powering down the entire turbine control system.
Q5: What terminal point count does the DS200RTBAG3AHC provide?
A5: The DS200RTBAG3AHC features 52 screw terminal points. Terminals are divided into input/output groups for field wiring of relays, sensors, actuators, and annunciators.
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