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MSM – Bulkhead Mount, HV/HV, Ind. Relays · MicroNet Safety Module (MSM)
Non-Preferred
Still supported, but Woodward has designated it non-preferred. Plan a move to the preferred model.
Ask Drake about repair / overhaul of your existing unit.
Drake-recommended replacement candidates
Direct replacement.
| Preferred item | Description | Applies when |
|---|---|---|
| 8237-2493 | MSM – Bulkhead Mount, HV/HV, Ind. Relays (current Preferred part number) | For new installations; same mount/voltage/relay configuration. The Non-Preferred PN remains available for spares and existing installations. |
| 8929-038 | MSM Field Software Conversion Kit | Software upgrade of an existing installed unit to the current version; the source states these units can be upgraded using the 8929-038 software update kit. |
Note: Declared 'Non-Preferred' as of June 2018: available for spare or for use on existing installations, but should not be used for new installations. The source explicitly states these units can be upgraded using the 8929-038 software update kit. Replacement pairing is derived from the identical configuration description in this statement's Current Preferred table (the document prints no explicit old-to-new arrow); Drake confirms the exact configuration before quoting. Woodward commits support for the ProTech product line to at least year 2035 (p.1). PCN 06948 (Jan 2018) backs this pairing: the preferred MSM models include the same functionality as the older models (configuration-compatible successors); existing units can be upgraded via Field Software Conversion Kit 8929-038. Non preferred since: 2018-06.
Lifecycle facts
| Woodward part number | 8237-1493 |
|---|---|
| Product family | MicroNet Safety Module (MSM) |
| Lifecycle status | Non-Preferred |
| Source | Woodward Product Support statement for ProTech-GII, ProTech TPS, MicroNet Safety Module (MSM) & ProTech-SX product lines, Rev H, dated December 10, 2024 p.4; PCN 06948 (Jan 2018) |
| Cross-reference confidence | Confirmed from the cited Woodward publication |
Source: PCN 06948
✓ Sourced directly from the cited Woodward publication — Drake confirms the exact part before quoting
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