Woodward 8237-1246 ProTech-GII Bulkhead HV/LV Voted-Relay Overspeed Protection System
8237-1246
ProTech-GII Bulkhead HV/LV Voted-Relay Overspeed Protection System · Legacy bulkhead-mounted ProTech-GII configuration with high- and low-voltage power inputs and voted trip relays.
Lifecycle note: Use the unit nameplate and current official documentation as final references before approving a replacement.
Product Condition
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+86 15359408275ProTech-GII Bulkhead HV/LV Voted-Relay Overspeed Protection System · Woodward ProTech-GII
Woodward 8237-1246 is a ProTech-GII bulkhead-mounted turbine overspeed protection system with high- and low-voltage power inputs and voted trip relays.
Official product-change documentation identifies 8237-1246 as a non-preferred legacy configuration and points to 8237-1596 as the preferred conversion reference, which still requires engineering review.
Before replacement or migration, record all three modules, power feeds, speed sensors, voted relay wiring, trip logic, setpoints, test history, firmware and turbine safety approvals.
| Manufacturer | Woodward |
|---|---|
| Part number | 8237-1246 |
| Product family | ProTech-GII |
| Mounting | Bulkhead |
| Power configuration | High-voltage and low-voltage inputs |
| Trip outputs | Voted relays |
| Architecture | Three independent protection modules |
| Lifecycle status | Non-preferred legacy part number |
| Preferred conversion reference | 8237-1596 |
| Replacement check | Power, relay wiring, speed inputs, settings and certification |
Woodward 8237-1246 provides triple-module turbine overspeed protection with voted trip relays for a correctly engineered shutdown system.
Woodward 8237-1246 is the bulkhead configuration with high- and low-voltage power inputs; both supplies and their field wiring must match the installed design.
Woodward lists 8237-1246 as a non-preferred part number and identifies 8237-1596 as a preferred conversion reference, subject to a controlled migration review.
Woodward 8237-1596 should not replace Woodward 8237-1246 until mounting, power, relay mapping, sensors, software, certification and trip-system interfaces are verified.
Preserve the overspeed and acceleration setpoints, voting logic, relay action, reset behavior, test configuration, communication settings and event records from Woodward 8237-1246.
Test each Woodward 8237-1246 channel independently and prove the voted trip output, alarms, reset, logging and turbine trip interface without bypassing required protections.
Provide the Woodward 8237-1246 nameplate, revision, module details, power inputs, relay arrangement, speed-sensor data, approvals, quantity and destination.
Send the complete 8237-1246 catalog number, revision, quantity, destination and nameplate photo. Identification details will be checked before quotation.
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