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8237-1246 Woodward ProTech-GII Bulkhead HV/LV 2oo3 Voted Relay Overspeed Protection Device
8237-1246 Woodward ProTech-GII Bulkhead HV/LV 2oo3 Voted Relay Overspeed Protection Device
8237-1246 Woodward ProTech-GII Bulkhead HV/LV 2oo3 Voted Relay Overspeed Protection Device
8237-1246 Woodward ProTech-GII Bulkhead HV/LV 2oo3 Voted Relay Overspeed Protection Device
8237-1246 Woodward ProTech-GII Bulkhead HV/LV 2oo3 Voted Relay Overspeed Protection Device
8237-1246 Woodward ProTech-GII Bulkhead HV/LV 2oo3 Voted Relay Overspeed Protection Device
Specifications
Official Configuration :
8237-1246 · HV/LV power · Voted relays · Bulkhead mount
Model Number :
8237-1246
Packaging Details :
new and original with factory sealed
Power Inputs :
Per module: HV 90-264 Vac / 47-63 Hz or 100-150 Vdc; LV 18-32 Vdc
MOQ :
1
Delivery Time :
2-3 work days
Product Description :
Bulkhead-mount ProTech-GII overspeed and over-acceleration protection device with 2oo3 voted trip relays
Brand Name :
Woodward
Payment Terms :
T/T
Enclosure / Ambient :
IP56 bulkhead enclosure · -20 to +60 °C · approximately 12 kg
Price :
inquires
Supply Ability :
requires
Protection Architecture :
Three independent modules · Triple modular redundant · 2-out-of-3 voting
Certification :
IEC 61508 SIL 3
Speed / Response :
0.5 to 32,000 rpm · 12 ms response time
Place of Origin :
USA
Description
OFFICIAL MODEL PROFILE

8237-1246

Woodward ProTech-GII overspeed and over-acceleration protection device with triple modular architecture for critical rotating equipment.

OFFICIAL CONFIGURATIONBulkhead · HV/LV · Voted Relays
ProTech-GII safety system
Woodward preferred-model reference: 8237-1596
Verified profileSafety architectureElectrical profileProcurement checklistFAQMOORE support
Verified product profile

Official facts for engineering and procurement

PRODUCT DESCRIPTIONOverspeed protection deviceDesigned to safely shut down steam, gas and hydro turbines, motors, compressors and reciprocating engines after an overspeed or over-acceleration event.
EXACT VARIANTBulkhead HV/LVWoodward Manual 26545 lists 8237-1246 as the bulkhead-mount model with high-/low-voltage power configuration and voted trip relays.
ARCHITECTUREThree independent modulesTriple modular redundant design with 2-out-of-3 voting logic supports safety and availability in critical rotating-equipment applications.
SPEED PERFORMANCE0.5 to 32,000 rpmThe official manual specifies a 12 ms response time for the ProTech-GII product family.
INPUTS & OUTPUTSMPU or PROXOne speed input per module, three alarm-relay outputs total and three analog speed outputs total.
LIFECYCLE NOTENon-preferred modelWoodward identifies 8237-1596 as the preferred part number for this configuration; conversion, replacement and compatibility require separate confirmation.
Safety and environmental profile

Core ratings from Woodward Manual 26545

12 msResponse time
SIL 3IEC 61508
IP56Bulkhead enclosure
-20...+60 °COperating range
12 kgApprox. weight
Electrical configuration

Power and system data for the exact HV/LV variant

Item Official data Procurement relevance
High-voltage input 90-264 Vac / 47-63 Hz or 100-150 Vdc 30 W per module; verify the plant supply and branch protection.
Low-voltage input 18-32 Vdc, nominal 24 Vdc 30 W per module; the model combines one HV and one LV input per module.
Trip arrangement 2oo3 voted relays Match the complete 8237-1246 configuration; do not infer relay behavior from another ProTech-GII part number.
Environmental IP56 · 95% RH non-condensing · 3000 m altitude Confirm mounting location, ventilation, shock and vibration conditions.
Standards statement IEC 61508 SIL-3; designed to meet API-670, API-612 and API-611 System integration and proof-test requirements remain application-specific.
Procurement checklist

Confirm these six points before ordering

01 · EXACT ID8237-1246 and revision
02 · MOUNTINGBulkhead enclosure
03 · POWERHV/LV plant supplies
04 · TRIP LOGIC2oo3 voted relays
05 · SENSORMPU or PROX interface
06 · PROJECTQuantity, destination and nameplate photos

This is safety-system equipment. Installation, configuration, proof testing and replacement decisions must be completed by qualified personnel using the exact revision documentation and the site safety lifecycle.

Technical buyer FAQ

Selection questions that affect the project

What distinguishes 8237-1246 from nearby ProTech-GII part numbers?Woodward lists it as the bulkhead-mount, HV/LV model with voted trip relays. Mounting, both power inputs and relay arrangement must all match.
What should be checked when considering the preferred model 8237-1596?Woodward names 8237-1596 as the preferred number for the same configuration, but revision, software, field wiring, configuration files and the official conversion path must be reviewed separately.
Which speed sensor types are supported?The official manual states that each of the three modules accepts one speed input using an MPU or a proximity probe. Confirm sensor type, signal range, gear data and wiring before commissioning.
Independent sourcing references

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IMPORTANT PROCUREMENT NOTICE
These models are independent procurement references only. They are not replacements or substitutes for 8237-1246. Compatibility and inventory availability must be confirmed separately for each item.
MOORE TEAM

Lifecycle-aware industrial sourcing support

MOORE places exact part identification at the center of each inquiry. Complete product IDs, revision labels, installed-unit photos and destination details help keep sourcing conversations precise.

Broader parts selection
Multi-brand requests are handled as separate procurement items, with compatibility and availability checked independently.

UPLOADED MEDIA

Company and service introduction

8237-1246 Woodward ProTech-GII Bulkhead HV/LV 2oo3 Voted Relay Overspeed Protection Device8237-1246 Woodward ProTech-GII Bulkhead HV/LV 2oo3 Voted Relay Overspeed Protection Device8237-1246 Woodward ProTech-GII Bulkhead HV/LV 2oo3 Voted Relay Overspeed Protection Device8237-1246 Woodward ProTech-GII Bulkhead HV/LV 2oo3 Voted Relay Overspeed Protection Device
8237-1246 Woodward ProTech-GII Bulkhead HV/LV 2oo3 Voted Relay Overspeed Protection Device
REQUEST A QUOTATION

Contact Miya Zheng

EMAILmiya@mvme.cn
WHATSAPP+86 180 2077 6792
SEND WITH YOUR INQUIRYComplete part number and revision, clear nameplate photos, sensor type, power configuration, quantity, destination and required date.
Official technical sources: Woodward Manual 26545G, ProTech-GII Overspeed Protection Device; Woodward Product Change Notification 06912B; and Woodward Product Change Notification 06946A. Existing product photos, uploaded company media, QR code and contact details are retained together in the MOORE support section.
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8237-1246 Woodward ProTech-GII Bulkhead HV/LV 2oo3 Voted Relay Overspeed Protection Device

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Product Detail
Official Configuration :
8237-1246 · HV/LV power · Voted relays · Bulkhead mount
Model Number :
8237-1246
Packaging Details :
new and original with factory sealed
Power Inputs :
Per module: HV 90-264 Vac / 47-63 Hz or 100-150 Vdc; LV 18-32 Vdc
MOQ :
1
Delivery Time :
2-3 work days
Contact Supplier
8237-1246 Woodward ProTech-GII Bulkhead HV/LV 2oo3 Voted Relay Overspeed Protection Device
8237-1246 Woodward ProTech-GII Bulkhead HV/LV 2oo3 Voted Relay Overspeed Protection Device
8237-1246 Woodward ProTech-GII Bulkhead HV/LV 2oo3 Voted Relay Overspeed Protection Device

MOORE AUTOMATION LIMITED

Verified Supplier
10 Years
fujian, xiamen
Since 2011
Business Type :
Agent, Trading Company
Main Products :
Automation DCS, Allen Bradley Modules, ABB Module
Total Annual :
<200000000
Employee Number :
80~100
Certification Level :
Verified Supplier
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