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IS420EPDMG3A | GE Electric dual-redundant power supply module

$899.00

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💥Name: Module/Controller/Touchpad/Driver/Load cell

Model: IS420EPDMG3A

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IS420EPDMG3A | GE Electric dual-redundant power supply module

Product Function

The IS420EPDMG3A is a dual-redundant power supply module for GE’s Mark VIe turbine control systems. It delivers conditioned DC power (5V, ±15V) to I/O modules and controllers within the rack, featuring hot-swappable redundancy, real-time fault diagnostics, and voltage monitoring to ensure uninterrupted critical operations.


Product Specifications & Parameters

Category
Specification
Manufacturer
GE Digital
Series
Mark VIe Turbine Control System
Type
Power Supply / Distribution Module
Form Factor
VME-9U (mounts in IS200VCCCH1D chassis)
Input Voltage
24V DC nominal (18–36V DC range)
Output Voltages
+5V DC (12A max), +15V DC (1A), -15V DC (1A)
Redundancy
Dual-module N+1 (supports hot-swap replacement)
Efficiency
>85% @ full load
Ripple Noise
<50mV p-p (±15V), <100mV p-p (+5V)
Overload Protection
Auto-reset for +5V; latch-off for ±15V
Operating Temp.
-40°C to +70°C
Cooling
Convection / forced air (via system fans)
MTBF
>250,000 hours @ 40°C
Certifications
UL 508, CE, IEC 61000-6-2/4, RoHS, ATEX/IECEx Zone 2
Connection
Backplane-powered; field input via removable 4-pin terminal

Series Information

Part of GE’s Mark VIe Power Distribution Series – interoperable with:

  • Controllers: IS420UCSxH1x
  • Chassis: IS200VCCCH1D, IS200VCRCH1B
  • Companion Modules
    • IS420PDIAH1A (Analog Input)
    • IS420ESWBH3A (Discrete I/O)
    • IS420YDIAS1A (RTD/Thermocouple Input)

Key Features

  • Redundant Operation: Automatic failover if primary PSU fails.
  • Live Insertion: Hot-swap without rack shutdown.
  • Voltage Monitoring: Real-time ±2% accuracy via ToolboxST™.
  • Diagnostic LEDs: Per-module status (green=OK, red=fault, amber=standby).
  • Surge Protection: 40V DC transient withstand (IEC 61000-4-5).
  • Load Balancing: Dynamic current sharing between modules.

Role & Purpose

  • Power Conditioning: Filters noise for sensitive control electronics.
  • System Reliability: Prevents downtime via redundancy.
  • Voltage Stabilization: Ensures ±1% regulation under load swings.
  • Fault Reporting: Alerts for undervoltage/overvoltage via controller.

Applications & Use Cases

Industry
Application
Power Plants
Gas/steam turbine control cabinets
Compressor Stations
Critical oil & gas pipeline monitoring systems
Marine Propulsion
Shipboard turbine control racks
Industrial Drives
High-power motor control centers (MCCs)
Hydroelectric
Dam gate control systems
Cogeneration
Combined heat/power (CHP) facility controls

Technical Notes

  • Wiring
    • Field Input: TB1 (24V+: pins 1/2, 24V-: pins 3/4)
    • Shield: Chassis ground screw (front panel)
  • Status Indicators
    • MOD OK (Green): Normal operation
    • PWR FLT (Red): Overload/short circuit
    • STBY (Amber): Redundant module in standby
  • Redundancy Rules
    • Primary module powers rack; secondary activates if primary voltage drops 10%.
    • Load imbalance >5% triggers alarm.
  • Safety
    • Isolation: 1500V AC input-to-output
    • Not for SIL applications (non-safety-rated).

Installation Criticals:

  1. Max. 2 modules per VME chassis (redundant pair).
  2. Input wiring: 14–16 AWG twisted pair (max 30m from source).
  3. Derating: Reduce load by 2.5%/°C above 50°C ambient.

Typical Power Distribution

Mark VIe Rack Configuration:  
Slot 1 : IS420EPDMG3A (Primary PSU)  
Slot 2 : IS420EPDMG3A (Redundant PSU)  
Slot 3 : IS420UCSAH1A (Controller)  
Slots 4-10: I/O Modules (e.g., IS420PDIAH1A, IS420ESWBH3A)  
GE

IS420EPDMG3A

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