GE DS200RTBAG1AHC

Description

Product Description

Product Parameters

• Brand/Model: GE DS200RTBAG1AHC
• Core Relay & Terminal Parameters
  • Relay Count: 16 electromechanical SPDT (Single-Pole Double-Throw) relays
  • Switching Capacity: 10A @ 250V AC / 30V DC (resistive load), 5A @ 250V AC (inductive load)
  • Coil Voltage: 24V DC (driven by DS200 digital output modules)
  • Contact Resistance: < 50mΩ
  • Mechanical Life: > 10 million operations
  • Electrical Life: > 100,000 operations (at rated load)
• System & Mechanical Parameters
  • Compatible Systems: GE Mark V/VI Turbine Control Systems, DS200 series digital output modules
  • Terminal Type: Phoenix-style screw terminals (4mm² wire capacity)
  • Isolation: 2500V AC (coil-to-contact, channel-to-channel)
  • Status Indicators: LED per relay (red = energized)
  • Mounting: Rack-mount (GE Mark V/VI chassis-compatible) + DIN rail adapter (35mm)
• Environmental & Physical Parameters
  • Operating Temperature: -40°C ~ +85°C
  • Storage Temperature: -55°C ~ +125°C
  • Vibration Resistance: 10g (5-2000Hz, IEC 60068-2-6)
  • Shock Resistance: 50g (11ms half-sine wave, IEC 60068-2-27)
  • Protection Grade: IP20 (rack-mount)
  • Dimensions: 200mm (W) × 150mm (H) × 50mm (D)
  • Material: Metal housing + flame-retardant terminal block base (UL94 V-0 rated)

Advantages & Features

1. High-Current Switching: GE DS200RTBAG1AHC’s 10A relay capacity enables direct control of high-power field devices (e.g., turbine fuel valves, pump contactors), eliminating the need for external contactors and simplifying system architecture.
2. Optimal Isolation: 2500V AC coil-to-contact isolation protects low-voltage control circuits from high-voltage field power, preventing electrical damage and ensuring safe operation in industrial environments.
3. Visual Status Monitoring: Individual LED indicators for each relay provide instant visibility of switch status, speeding up troubleshooting and reducing downtime during fault conditions.
4. Rugged Industrial Design: The metal housing and vibration-resistant construction ensure reliable performance in turbine enclosures and harsh industrial settings, even under extreme operating conditions.

Application Fields & Cases

1. Gas Turbine Fuel Valve Control: A combined-cycle power plant deployed GE DS200RTBAG1AHC terminal boards to switch 240V AC fuel valve actuators via DS200 digital output modules. The 10A relay capacity handled the valve’s inductive load, while isolation protected the control system from voltage spikes during valve switching.
2. Offshore Compressor Turbine Motor Control: An offshore oil platform used GE DS200RTBAG1AHC to control 480V AC cooling fan motors and anti-surge valve contactors for gas turbine-driven compressors. LED status indicators allowed maintenance teams to quickly identify failed relays, minimizing downtime in remote offshore locations.
3. Industrial Steam Turbine Auxiliary System Switching: A pulp mill integrated GE DS200RTBAG1AHC into its Mark VI system to switch boiler feedwater pump contactors and lubrication system solenoids. The module’s rugged design withstood the mill’s high-vibration environment, ensuring reliable operation for critical auxiliary systems.

Competitor Comparison

Selection Suggestions & Precautions

1. Selection Suggestions: GE DS200RTBAG1AHC is ideal for GE Mark V/VI turbine control system users needing high-density, high-current relay switching (e.g., power generation, oil & gas). For low-current applications (< 5A), choose the GE DS200RTBAG1BHC (solid-state relays); for non-GE systems, select Phoenix Contact EMG series or Allen-Bradley 700-HN relays.
2. Precautions:
   • Size wiring to match the relay’s 10A capacity (minimum 18 AWG copper) and tighten terminal screws to 1.2 Nm torque to prevent overheating and loose connections.
   • Use surge suppression diodes (for DC loads) or RC snubbers (for AC loads) across relay contacts to protect against inductive kickback from motors/valves.
   • Do not exceed the relay’s inductive load rating (5A @ 250V AC) to avoid premature contact wear and failure.
   • Inspect relay contacts annually (for pitting or corrosion) and replace relays with degraded contacts to maintain reliable switching.
   • Route high-voltage field wiring separately from low-voltage control wiring to avoid electromagnetic interference (EMI) and ensure safety.

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