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Description:HIEE305114R0001 UNS4684A-P — pulse coupling and overvoltage protection module for fast signal coupling, excitation system protection, and reliable operation within ABB UNITROL control systems.
Product condition: New
Packing condition:Factory Packing
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| Manufacturer | ABB |
| Item number | HIEE305114R0001 UNS4684A-P |
| Country of Origin | Sweden |
| Lead Time | In stock |
| After-Sales Support | 12-months |
| HS Code / Commodity code | 8537101190 |
Quotes are valid for 30 days from the day the quote is received unless stated otherwise at the time of quotation.
Yes,we offer one year warranty for all new products.
Yes. We worked with FEDEX/DHL/TNT/UPS/ allowing us to provide swift global delivery of parts to any corner of the world.
Normally 3-5 working days,some remote areas 5-7 days more.
PLC Autocontroller |20 years of experience specializing in automation equipment
HIEE305114R0001 UNS4684A-P | Pulse Coupling Module
PLC Autocontroller| Sales Manager May
Product Overview
The ABB HIEE305114R0001 UNS4684A-P V1 is an Overvoltage Protection & Pulse Coupling Panel (OBP/PCP Module) for ABB UNITROL excitation systems. This module primarily monitors the voltage status in the excitation circuit and rapidly triggers protection actions under abnormal overvoltage or fault conditions, thereby protecting the generator rotor, rectifier bridge, and critical power components.
This board typically serves as a crucial safety protection unit in UNITROL 5000/UNITROL 6000 excitation systems, acting as the "last line of defense" in power generator sets to ensure safe system operation under grid disturbances or sudden load changes.
Key parameters and specifications
Manufacturer: ABB
Model: HIEE305114R0001
Type: Designation: UNS4684A-P V1
Product Type: Overvoltage Protection / Pulse Coupling Module
System Application: ABB UNITROL 5000 / 6000 Excitation System
Function: Overvoltage detection, protection triggering, pulse coupling control
Protection Type: OVP (Overvoltage Protection)
Response Time: Microsecond-level protection response (typical)
Input Signal: Excitation circuit voltage monitoring
Output Function: Triggering protection circuit / Crowbar control
Operating Temperature: -40°C ~ +85°C (Industrial range)
Product Features:
High-speed overvoltage protection capability: Responds to abnormal voltages within microseconds, rapidly triggering protection mechanisms to prevent equipment damage.
Critical equipment safety assurance: Effectively protects the generator rotor, excitation rectifier bridge, and power semiconductor devices.
High-reliability industrial design: Suitable for power plant and heavy industrial environments, with long-term stable operation capability.
Deep integration with UNITROL system: Designed specifically for ABB's excitation control system, offering strong compatibility and high system coordination efficiency.
Enhanced system operational safety: Acts as the final protection layer, improving the overall safety level of the generator set.
Order & ship
u Xiamen stock, 1 Year Warranty
u 100% Original Package
u UPS/ DHL/ FEDEX / TNT
Credits & Contact
PLC Autocontroller 20 years of experience specializing in automation equipment
Sales Manager May Email: ab@mooreplc.com
Phone: +86-18106909650 (WhatsApp)
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