5461-655 MicroNet Overvoltage Protection Module

Overview

Place of Origin:	USA
Brand Name:	Woodward
Model Number:	5461-655
Packaging Details:	Original new Factory Sealed
Delivery Time:	5-7 days
Payment Terms:	T/T
Supply Ability:	In stock

Specifications

Description

The 5461-655 is a specialized MicroNet Overvoltage Protection Module designed for the Woodward MicroNet control platform. Its primary role is to act as a high-speed electrical firewall, safeguarding sensitive I/O modules and the system backplane from voltage surges, spikes, and sustained overvoltage conditions. In mission-critical turbine applications, this module ensures that power supply fluctuations do not lead to hardware damage or system instability.

Applications

Photovoltaic power plants: Used for overvoltage protection in combiner boxes and inverter control units against lightning-induced surges.

Automotive manufacturing plants: Protects robotic assembly lines and inverter-heavy control cabinets from switching overvoltage.

Paper and printing plants: Suitable for high-humidity environments, ensuring stable operation in sealed control cabinets.

Fertilizer plants: Reduces electrical noise in unstable grids, protecting DCS signal integrity.

Water treatment plants: Provides reliable surge protection for outdoor dosing pumps and remote pump stations under harsh conditions.

Feature

High-speed transient suppression

The module uses fast clamping circuitry to respond to overvoltage events in less than one microsecond, protecting digital and analog components from electrical transients.

Integrated system safeguards

It continuously monitors DC power rails and activates protective actions during sustained overvoltage conditions to prevent damage to rack modules.

Industrial durability and compact design

The rugged, compact design resists vibration and thermal stress, allowing easy integration into MicroNet systems operating in unstable power environments.

FAQ

Q: What is the Woodward 5461-655?
A: It is an Overvoltage Protection Module for MicroNet. It monitors power and clamps excess voltage to protect CPU and I/O modules.

Q: How does 5461-655 manage thermal dissipation during sustained clamping?
A: It uses fast semiconductor clamping and shunts energy to chassis ground. As passive cooling is used, long faults increase heat, so a secondary trip is required.

Q: Why is sub-microsecond response important in 5461-655?
A: It suppresses transients before they reach 5V or 3.3V logic, preventing backplane damage.

Q: How does 5461-655 interface with diagnostics?
A: It sends a hardware status signal to the backplane. If failure or fuse issues occur, it triggers a system alarm.

Q: What is the DC isolation voltage of 5461-655?
A: The isolation voltage is 500 VDC.