HENF452778R1 ABB P3EDB 8-Channel Relay Output Board DCS Spare Parts

Description

ABB P3EDB HENF452778R1 Discrete Relay Output Module

Product Overview

ABB P3EDB HENF452778R1 is a 8-channel discrete relay output module developed for ABB Harmony DCS distributed control system. The P3EDB module adopts normally open relay contacts, designed to drive low-voltage field loads in power stations and process industries. This ABB HENF452778R1 output card executes digital control commands from DCS controller to switch on/off field equipment, featuring built-in short-circuit protection and excellent EMC anti-interference capability. Widely used for DCS system overhaul, emergency replacement and automation retrofit in thermal power plants, chemical plants, pulp & paper, metallurgy industry. All ABB P3EDB HENF452778R1 units we offer are brand new original. Every module will pass complete function inspection before shipment.

Technical Parameters

Part Number: P3EDB, HENF452778R1

Product Category: DCS Discrete Relay Output Module

Number of Channels: 8 independent relay output channels

Relay Contact Type: Normally Open (NO)

Rated Voltage: 24V DC /125V DC /250V AC

Rated Channel Current: 5A @24V DC; 2A @250V AC

Response Time: ≤10ms (close), ≤5ms (open)

Rated Mechanical Life: ≥100,000 cycles under rated load

Power Supply: 24V DC ±10%

Power Consumption: ≤150mA (no load)

Dielectric Withstand Voltage: 2500V AC between channels & bus

Protection: Short-circuit protection, ESD & EMC protection, comply with EN 61000-4

Operating Temperature: -20℃ ~ +60℃

Storage Temperature: -30℃ ~ +70℃

Humidity: 5%~95% non-condensing

Mounting: 35mm DIN rail mounting

Compliance: CE certification

Net Weight: 0.42 kg

Gross Weight: 0.52 kg

Customs Tariff Number: 85371092

Key Features

Original ABB P3EDB HENF452778R1 DCS relay output module, 8 isolated NO relay channels.

Strong electromagnetic anti-interference performance, stable operation in harsh industrial site environment.

Built-in short-circuit protection and ESD protection to avoid field surge damage.

DIN rail mounting design for quick installation and convenient maintenance.

Brand new original surplus stock, full functional test before delivery.

Critical spare part for ABB Harmony DCS system maintenance, upgrade & emergency replacement.

Application Industry

Thermal power plant, hydropower station, chemical industry, metallurgy, pulp and paper, oil & gas, heavy industry, ABB Harmony DCS system renovation.

Our Service

We supply brand new original ABB industrial automation spare parts including ABB P3EDB HENF452778R1 relay output module. Since ABB P3EDB HENF452778R1 has been discontinued by manufacturer, limited surplus stock available.

100% Brand new original

Pre-shipment full function test

Global shipping

Fast quotation upon inquiry

One-stop ABB DCS spare parts supply