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  • Lifecycle status

    Discontinued / Obsolete by OEM
    Apter Power supports exact-part sourcing and relay-circuit review for this discontinued GEM80 output module.

8143-4002

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Alstom 8143-4002 is a GEM 80 relay output module for documented discrete field-control circuits.
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Technical specifications for 8143-4002

  • Manufacturer:
    Alstom
  • Part Number:
    8143-4002
  • Product Family:
    Alstom
  • Product Type:
    Relay Output Module
  • Stock:
    1
  • Module function:
    Relay output
  • Module designation:
    8143
  • Field interface:
    Relay contact circuits
  • Selection boundary:
    Exact contact map and installed load record
  • Weight:
    0.56 kg
  • Estimated shipping dimensions:
    2.8 x 23.3 x 23.3 cm
  • Tariff Code:
    8537101190
  • Country of origin:
    France
  • 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 Relay Contacts Field Loads Relay Testing Applications

Features:

  • Relay output role: switches documented discrete field circuits.
  • Contact-map control: retains the installed relay and common assignments.
  • Field-load boundary: accounts for voltage, inrush and safe state.
The module provides relay contacts rather than a self-powered field-output source, so the external circuit remains part of its identity.

Contact assignments, commons, load behavior and suppression must be reviewed together before a spare is accepted.

A controlled test proves released and energized states plus the intended field feedback before automatic control is restored.

Apter Power can review the contact map and field-load record for Alstom 8143-4002 relay output module enquiries.
Alstom 8143-4002 Relay Output Module Manuals,Datasheets,Link Important Notice: No qualified exact-model English PDF is attached. Use the complete product model in every document request.
  • Function: discrete relay output switching.
  • Contact map: retain each pole and terminal assignment.
  • Commons: record shared external supply connections.
  • Safe state: identify required de-energized behavior.
  • Voltage: verify the external circuit rating.
  • Current: review steady and inrush demand.
  • Induction: preserve approved suppression.
  • Protection: retain fusing and isolation arrangements.
  • Isolation: secure all connected field supplies.
  • Released state: prove contact behavior before commands.
  • Energized state: test one relay circuit at a time.
  • Release: confirm feedback and the approved sequence.
  • GEM 80 control: relay-based discrete output service.
  • Interposing circuits: documented contactor or relay control.
  • Legacy outage work: exact-order sourcing and module service.
  • Fault isolation: separation of contact, wiring and load causes.
Description
8143-4002 is an Alstom/CEGELEC GEM 80 relay output module used to switch documented discrete field circuits. The complete order reference belongs with the installed contact map and external field-supply record.

A sourcing decision for 8143-4002 must account for contact assignments, external voltage, steady and inrush current, switching duty, suppression and the required safe state. Board outline alone does not preserve the installed contact record.

Before removing 8143-4002, isolate all field supplies and identify every load and feedback path. Restore one relay circuit at a time, confirm both energized and released states, then complete the approved control-sequence test before automatic commands are enabled.
Technical notes
8143-4002 is a relay output module whose safe use depends on the installed contact map and external field circuit, not board appearance alone. Record voltage, load, suppression and safe state for each relay; stop installation if contact assignments or common connections cannot be reconciled with the controlled wiring schedule.
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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 information should accompany a request for 8143-4002?
Provide the complete label, contact and common map, external supply, connected loads, suppression and required safe states.
Why must receiving compare the contact layout on 8143-4002?
The installed record controls terminal, common and load assignments, so a matching outline without the same contact layout is insufficient.
When should receiving hold 8143-4002?
Hold it if the order reference, contact layout, connector geometry, board condition or dimensions differ from the installed record.
What should be recorded before removing 8143-4002?
Record every relay terminal, common, field supply, load, protective device, suppression component and feedback point.
How should 8143-4002 be tested after installation?
With the process secured, prove released contact states, energize one documented relay at a time and verify the intended field response.
What releases 8143-4002 to automatic service?
Every relay must switch only its documented circuit, return to its required safe state and pass the complete approved control sequence.