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IS2020RKPSG2A

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General Electric IS2020RKPSG2A is a 125 VDC, 400 W Mark VI VME rack power supply that converts control power into the regulated rails required by the rack backplane and connected assemblies.
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Technical specifications for IS2020RKPSG2A

  • Manufacturer:
    General Electric
  • Part Number:
    IS2020RKPSG2A
  • Product Family:
    GE Mark VI Gas Turbine Control
  • Product Type:
    Mark VI VME Rack Power Supply
  • Stock:
    1
  • Peripheral Output:
    P28C configurable
  • Fault Reset:
    Front power switch
  • Status Indicators:
    Yellow, red, and green
  • Heat Sink Position:
    Exposed at rack side
  • Input Voltage:
    125 VDC
  • Output Power:
    400 W
  • Backplane Rails:
    +5 V, ±12 V, ±15 V, ±28 VDC
  • High-Voltage Output:
    PS335, 335 VDC
  • 28 V Sections:
    Five power modules
  • Rack Connectors:
    PSA and PSB
  • Input Connector:
    PS125
  • Status Connector:
    PSSTAT
  • Operating Mode:
    Redundant operation supported
  • Mounting Position:
    Right side of VME rack
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Connector Layout Voltage Rails P28C Configuration Status & Mounting

Features:

  • Converts a 125 VDC source into the regulated supplies used by a Mark VI VME rack.
  • Provides 400 W output capacity and supports redundant power operation.
  • Combines rack, 335 VDC, 28 VDC, peripheral, and status connections in one assembly.
IS2020RKPSG2A supplies +5 V, ±12 V, ±15 V, and ±28 VDC rails to the VME backplane.

Five 28 V sections inside IS2020RKPSG2A divide the power delivered to different portions of the rack.

IS2020RKPSG2A places its operating switch, reset function, and three status indicators on the front of the supply.

The General Electric IS2020RKPSG2A VME Rack Power Supply may be available for purchase and support from Apter Power for installed Mark VI systems.
General Electric IS2020RKPSG2A VME Rack Power Supply Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Power and Status Connections

  • Rack outputs: Upper PSA and PSB connectors deliver the regulated supplies to the VME rack.
  • DC input: PS125 receives the 125 VDC source at the lower connector group.
  • Auxiliary outputs: PS335, PS28, and P28C carry the high-voltage and 28 V paths.
  • Status link: PSSTAT exposes power-supply condition signals to the control system.

Regulated Output Structure

  • Logic rail: IS2020RKPSG2A provides the +5 V supply used by VME logic.
  • Signal rails: Positive and negative 12 V and 15 V outputs support rack electronics.
  • Control rails: Positive and negative 28 V outputs serve the distributed control-power loads.
  • High-voltage path: A separate PS335 connection provides 335 VDC.

Remote 28 V Power Path

  • Internal distribution: Five 28 V modules assign power to rack sections.
  • Peripheral option: P28C can supply an external peripheral circuit.
  • Normal position: The jumper keeps P28C tied to its standard rack-power arrangement.
  • Isolated position: Moving the jumper separates P28C for the remote peripheral feed.

Front Controls and Rack Position

  • Power switch: The front control turns IS2020RKPSG2A on or off and resets faults.
  • Yellow indicator: Shows that input power is present.
  • Red and green indicators: Distinguish fault and normal operating conditions.
  • Installation: The supply mounts at the right side of the VME rack with its heat sink exposed.
Description
A 125 VDC source is converted by General Electric IS2020RKPSG2A into the regulated supplies required by a Mark VI VME rack. This 400 W power supply supports the backplane together with the associated high-voltage and 28 V control-power circuits.

At the lower connector group, IS2020RKPSG2A receives source power through PS125 and provides separate PS335, PS28, P28C, and PSSTAT connections for high voltage, 28 V distribution, peripheral power, and status. Upper PSA and PSB connections carry the rack supplies to the VME backplane.

The output structure inside IS2020RKPSG2A produces +5 V, ±12 V, ±15 V, and ±28 V rails together with the PS335 output. Five 28 V sections divide rack loads, while moving the P28C jumper from Normal to Isolated separates that path for an external peripheral.

Front-panel controls on IS2020RKPSG2A switch the supply and reset latched fault indications. Yellow, red, and green indicators distinguish input present, fault, and normal states, and the unit mounts at the right side of the VME rack with its heat sink facing outward.
Alternative Names
GE IS2020RKPSG2A VME Rack Power Supply General Electric IS2020RKPSG2A 125 VDC Power Supply IS2020RKPSG2A Mark VI Rack Supply IS2020RKPSG2A 400 W Power Supply IS2020RKPSG2A Redundant Rack Power Module IS2020RKPSG2A PS335 Power Supply IS2020RKPSG2A VME Backplane Supply IS2020RKPSG2A Mark VI Power Conversion Unit
Technical notes
Regulated DC outputs to the backplane are provided by IS2020RKPSG2A, a VME rack power supply module that can also supply 335 VDC for flame detector circuits.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What does IS2020RKPSG2A supply to a Mark VI VME rack?
IS2020RKPSG2A converts a 125 VDC input into the regulated rack rails and associated 335 VDC and 28 VDC power paths.
Which lower connectors handle source, auxiliary power, and status on IS2020RKPSG2A?
IS2020RKPSG2A uses PS125 for input, PS335 and PS28 for auxiliary outputs, P28C for peripheral power, and PSSTAT for condition signals.
How are the 28 V outputs divided inside IS2020RKPSG2A?
Five separate 28 V sections in IS2020RKPSG2A distribute power to different portions of the rack.
When is P28C isolated on IS2020RKPSG2A?
The P28C jumper on IS2020RKPSG2A is moved from Normal to Isolated when that path supplies an external peripheral.
What do the three front indicators on IS2020RKPSG2A show?
Yellow indicates input present, red indicates a fault, and green indicates normal operation on IS2020RKPSG2A.
How is IS2020RKPSG2A positioned in the VME rack?
IS2020RKPSG2A mounts on the right side of the rack with its heat sink facing outward.

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