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MicroNet Safety Module (MSM) – Bulkhead Mount, HV/LV, Ind. Relays (non-preferred) · MicroNet Safety Module (MSM)
Obsolete
No longer orderable new (inactivated Aug 2020).
Ask Drake about repair / overhaul of your existing unit.
Drake-recommended replacement
Direct replacement.
| Preferred item | Description |
|---|---|
| 8237-1492 | MicroNet Safety Module – Bulkhead Mount, HV/LV, Ind. Relays (preferred, improved) |
Note: PCN 06909 (Rev B, 2015) planned a January 2014 inactivation that was not executed; per Rev H the original MicroNet Safety Module (MSM) part numbers became Inactive and unavailable in August 2020. Spare parts and software upgrade options remain available. Direct drop-in replacement per PCN 06909 is 8237-1492 (itself Non-Preferred since June 2018; see its entry for the current 8237-2492 model). Source: ProTech-GII TPS MSM Support Statement rev H (Dec 2024) p.4. [chain] Replacement 8237-1492 is itself superseded/tracked in this index — see its own entry before quoting.
Lifecycle facts
| Woodward part number | 8237-1252 |
|---|---|
| Product family | MicroNet Safety Module (MSM) |
| Lifecycle status | Obsolete |
| Inactivation | Aug 2020 |
| Source | ProTech-GII TPS MSM Support Statement rev H p.4 |
| Cross-reference confidence | Confirmed from the cited Woodward publication |
Source: PCN 06909, Rev B
✓ Sourced directly from the cited Woodward publication — Drake confirms the exact part before quoting
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