Bently Nevada TK15 80917-01 Keyphasor Conditioner and Power Supply

Bently Nevada 81546-01 | Brand New Original | Relay Board

Availability: 10 left in stock

Product Overview The Bently Nevada 81546-01 functions as a critical Signal Input and Relay Board for the legacy 3300 Machinery Protection System. This board facilitates...

SKU: 81546-01

Manufacturer: Bently Nevada
Product No.: 81546-01
Product Type: Relay Output Boards
Product Origin: USA
Payment:T/T, Western Union
Weight: 390g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The Bently Nevada 81546-01 functions as a critical Signal Input and Relay Board for the legacy 3300 Machinery Protection System. This board facilitates the physical connection between field transducers (XDCR) and the monitoring rack while providing essential alarm relay outputs for machinery safety interlocks. It serves as the primary interface for recording terminals and external alarm annunciation, ensuring that vibration and position data translate into actionable protection logic. We supply this component as 100% Brand New and Original in Factory Packing, providing a reliable solution for maintaining legacy 3300 system integrity.

Technical Specifications

Attribute	Specification Value
Model Number	3300 Series Component
Part Number	81546-01
Board Type	Signal Input / Alarm Relay Board
Function	Transducer I/O and Alarm Logic Output
Compatibility	Bently Nevada 3300 Monitoring Racks
Associated Components	Often used with 79748-01 Alarm Relay assemblies
Mounting	Rear-rack I/O position
Operating Temperature	-30°C to +65°C (-22°F to +149°F)
Weight	0.39 kg (0.86 lbs)
Certifications	CSA, UL, CE compliant

Engineering Advantages

Integrated Alarm Logic Execution: The 81546-01 houses physical relay contacts that interface directly with plant emergency shutdown systems (ESD). This hardware-based approach ensures immediate machine tripping during "Danger" conditions, independent of external software processing.
Simplified Field Wiring: The board features dedicated record terminals for transducer inputs (XDCR). This organized termination structure reduces installation errors and allows maintenance teams to quickly probe signals for troubleshooting without disconnecting primary protection loops.
Robust Transient Suppression: Bently Nevada engineers this board to withstand the high-energy electrical noise typical in turbine halls and motor control centers. It protects the sensitive internal rack electronics from surges originating in the field cabling.
Redundant Relay Capability: The architecture supports multiple relay configurations, allowing for "Normally Energized" or "Normally De-energized" logic. This flexibility enables engineers to design fail-safe protection schemes tailored to specific site safety requirements.
Direct Legacy Replacement: As a genuine OEM part, the 81546-01 drops directly into existing 3300 series racks. It restores full relay functionality to aging systems without the need for complex rewiring or system migration.

FAQs

Does the 81546-01 include the relay components?

Yes, this board functions as the primary signal input and relay interface. It typically works in conjunction with the 79748-01 assembly to provide a complete I/O and alarm output path for the 3300 monitor modules.
Can I use this board with 3500 series racks?

No. The 81546-01 is specifically designed for the 3300 Series Machinery Protection System. The 3500 series utilizes different I/O and Relay Module architectures (such as the 3500/32 or 3500/33).
Are the relay outputs dry contacts?

Yes, the 81546-01 typically provides dry relay contacts, allowing you to switch external voltages for annunciators, PLC inputs, or master trip solenoids within the rated contact specifications.
What is the condition of this unit?

We guarantee this is a 100% Brand New and Original Bently Nevada part. It arrives in factory-sealed packaging, ensuring the gold-plated contacts and relay components remain free from oxidation and ready for immediate service.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.