IS220PDOAH1A
IS220PDOAH1A
IS220PDOAH1A
IS220PDOAH1A
IS220PDOAH1A
IS220PDOAH1A
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IS220PDOAH1A

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The General Electric IS220PDOAH1A is a hazardous-location certified discrete output I/O pack for the Mark VIe Speedtronic control system, approved for ATEX Zone 2 and Class I Division 2 applications.
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Technical specifications for IS220PDOAH1A

  • Manufacturer:
    General Electric
  • Part Number:
    IS220PDOAH1A
  • Product Family:
    GE Mark VIe Distributed I/O
  • Product Type:
    Discrete Output I/O Pack
  • Stock:
    10
  • Product Type:
    Discrete Output I/O Pack
  • Power Supply Voltage:
    28.0 VDC
  • Power Supply Voltage:
    27.4 VDC (min) / 28.6 VDC (max)
  • Maximum Supply Current:
    0.71 A
  • Compatible Terminal Boards:
    IS200TRLYH2E, IS200TRLYH3E, IS200TRLYH1F, IS200TRLYH2F
  • Hazardous Location Certifications:
    Class I, Division 2, Groups A, B, C, D; Class I, Zone 2, Group IIC; ATEX Zone 2, IIC T4 Gc
  • Protection Technique:
    Ex ic (intrinsic safety
  • Ambient Temperature (Operation):
    -40°C to +70°C (-40°F to +158°F)
  • Ambient Temperature (Storage):
    -40°C to +85°C
  • Humidity:
    5% to 95% (non-condensing)
  • Pollution Degree:
    2
  • Mounting:
    Direct plug-in to terminal board (DC-37 connector)
  • Field Wire Size:
    24 to 12 AWG
  • Weight:
    0.34 kg
  • Estimated shipping dimensions:
    8.2x12.2x6cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    8537101190
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 Specifications Applications Monitoring & Control Operating Environment

Features:

  • Certified for Hazardous Locations Without Additional Enclosures
  • Wide Ambient Temperature Range for Extreme Environments
  • Intrinsic Safety 'ic' Protection for Simple Apparatus Connection
The General Electric IS220PDOAH1A carries ATEX Zone 2, Class I Division 2, and IIC gas group certifications. This allows direct installation in turbine auxiliary rooms and compressor stations where explosive gas atmospheres may occur, provided the module is housed in a basic IP54 tool-accessible enclosure – no expensive explosion-proof housings are required.

Rated for operation from -40°C to +70°C, the General Electric IS220PDOAH1A performs reliably in unheated turbine enclosures located in arctic regions, deserts, or offshore platforms. This eliminates the need for cabinet air conditioning or heating in most installations.

The General Electric IS220PDOAH1A is assessed as an associated apparatus with intrinsic safety 'ic' protection level. It can be connected to simple resistive devices (such as relay contacts or switches) located in Zone 2 hazardous areas, provided the field wiring entity parameters (Ca, La, Lo) are respected per GEH-6725R specifications.

The IS220PDOAH1A General Electric Discrete Output I/O Pack may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
General Electric IS220PDOAH1A Discrete Output I/O Pack 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.
General Electric IS220PDOAH1A Discrete Output I/O Pack

General

  • Manufacturer General Electric
  • Model IS220PDOAH1A
  • Condition New Original ready stock
  • Product Family IS220PAICH2A,IS220PDOAH1B,IS220PDOAH1BC
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.
  • Gas Turbine Control Systems – Provides discrete output actuation for trip solenoids, start-up permissives, and valve positioning within GE Mark VIe based installations.
  • Steam Turbine Auxiliaries – Controls lubrication oil pumps, drain valves, and extraction steam actuators in combined-cycle power plants.
  • Compressor Stations (Oil & Gas) – Drives anti-surge recycle valves and blow-down solenoids in natural gas transmission facilities requiring ATEX Zone 2 certification.
  • Emergency Shutdown Logic – Supports safety-related discrete outputs when incorporated into an appropriately architected control system with properly rated terminal boards.
  • Status Indication via Local LEDs – The module provides visual status of power, communication, and output states for rapid field troubleshooting without additional tools.
  • Infrared Local Serial Port – Allows local diagnostic access using a compatible handheld device, enabling offline module health checks even when network communication is unavailable.
  • Feedback Signal Processing – When used with compatible TRLY terminal boards, the module can collect and process feedback signals to verify relay state changes.
  • Soft-Start Current Limiting – Integrates current limiting on power-up to protect both the module and the control power supply from inrush current spikes.
  • Extended Temperature Range – Rated for -40°C to +70°C ambient, allowing deployment in unheated turbine enclosures, arctic pipelines, or desert solar-thermal plants without active climate control.
  • Hazardous Atmosphere Compatibility – Certified for ATEX Zone 2 (IIC T4 Gc) and Class I, Division 2, enabling installation in areas where flammable gases (Group IIC, e.g., hydrogen, acetylene) may be present during abnormal conditions.
  • Pollution Degree 2 Enclosures – Designed for environments with non-conductive pollution only. The module must be installed in an enclosure meeting IP54 rating to maintain hazardous location certification.
  • Tool-Access Enclosure Requirement – In Zone 2/Division 2 installations, the enclosure must require a tool or key to open, preventing unauthorized access while maintaining safety compliance per NEC, CEC, and ATEX directives.
Description
The General Electric IS220PDOAH1A is a discrete output I/O module within the GE Mark VIe distributed control architecture. It is designed to interface with external field devices such as solenoids and relays through compatible TRLY series terminal boards. This module is commonly deployed in gas and steam turbine control systems where reliable discrete actuation is required.

The General Electric IS220PDOAH1A carries hazardous location certifications including ATEX Zone 2, Group IIC, T4 Gc, as well as Class I, Division 2, Groups A, B, C, D. It is approved for use in North American and European hazardous classified areas, provided it is installed within a suitable enclosure meeting IP54 minimum ingress protection and tool-access requirements.

When paired with approved terminal boards such as the IS200TRLYH2E, IS200TRLYH3E, IS200TRLYH1F, or IS200TRLYH2F, the General Electric IS220PDOAH1A operates within a wide ambient temperature range of -40°C to +70°C. Its intrinsic safety 'ic' rating allows connection to simple apparatus in explosive atmospheres under defined entity parameters.
Revisions

Revision Part #

Also known as

IS220PDOAH1A
IS220PDOAH1A/Rev A, Series A
IS220PDOAH1B
IS220PDOAH1B/Rev B, Series B
IS220PDOAH1BC
IS220PDOAH1BC/Rev B with Type-C Conformal Coating
IS221PDOAH1B
IS221PDOAH1B/Conformal Coated Version
Alternative Names
1S220PDOAH1A IS22OPDOAH1A IS220PD0AH1A IS220PDOAHIA IS220PAICH2A IS220PDOAH1B IS220PDOAH1BC IS220PTURH1A
Technical notes
The General Electric IS220PDOAH1A requires a compatible TRLY series terminal board (e.g., IS200TRLYH2E, IS200TRLYH3E, IS200TRLYH1F, or IS200TRLYH2F) for operation. It is certified for ATEX Zone 2, IIC T4 Gc and Class I, Division 2, Groups A, B, C, D. Ambient temperature rating is -40°C to +70°C. Power supply range is 27.4 to 28.6 VDC with maximum current draw of 0.71 A. For contact wetting power in North American hazardous locations, an external UL-recognized fuse not exceeding 3A is required.
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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 terminal boards are compatible with the General Electric IS220PDOAH1A?
The General Electric IS220PDOAH1A is approved for use with the following terminal boards: IS200TRLYH2E, IS200TRLYH3E, IS200TRLYH1F, and IS200TRLYH2F. Refer to GEH-6725R Section 3.9 for the complete list.
What hazardous location certifications does the General Electric IS220PDOAH1A hold?
The General Electric IS220PDOAH1A is certified for Class I, Division 2, Groups A, B, C, D (North America); Class I, Zone 2, Group IIC (North America Zone rating); and ATEX Zone 2, IIC T4 Gc (European Union). Certifications are documented in GEH-6725R Appendix A.
What is the ambient temperature range for the General Electric IS220PDOAH1A?
The General Electric IS220PDOAH1A has an ambient temperature rating of -40°C to +70°C (-40°F to +158°F) as listed in GEH-6725R Appendix D.
What enclosure is required when installing the General Electric IS220PDOAH1A in a Zone 2 area?
For ATEX Zone 2 installations, the General Electric IS220PDOAH1A must be installed inside an enclosure certified for Zone 2 with a minimum ingress protection rating of IP54 (IEC 60529). The enclosure must only be accessible using a tool, as stated in GEH-6725R Section 1.2.
Does the General Electric IS220PDOAH1A require external over-current protection for wetting power?
Yes. For North American hazardous locations, if contact wetting power is supplied to the accessory terminal board through connectors JE1 or JE2, the General Electric IS220PDOAH1A requires the wetting power source to be current-limited by a UL-recognized fuse rated at not more than 3A, or by approved limited-power supplies (e.g., Phoenix Contact QUINT-PS-100-240AC/24DC/5GE). See GEH-6725R Section 3.6.3.