Description

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Product Overview

The Emerson 1C31194G01 is a heavy-duty power distribution panel engineered for Emerson’s Ovation distributed control system (DCS), designed to centralize and manage redundant power feeds in mission-critical industrial automation environments. This module serves as the backbone of power infrastructure, integrating copper busbars with fused distribution branches to deliver fault-tolerant DC power to controllers, I/O modules, and communication networks. Supporting parallel input feeds from up to four redundant power supplies, the Emerson 1C31194G01 implements automatic source transfer via passive OR-ing diodes during grid failures, ensuring uninterrupted operation in high-availability systems. Its modular design accommodates field-replaceable fuse blocks (1A–30A) with visual blow indicators, while low-impedance busbars minimize voltage drop at 150A continuous loads. With IEEE 344 seismic certification and IP20-rated enclosures, the Emerson 1C31194G01 guarantees reliability in harsh environments such as nuclear plants and fossil fuel power facilities. As a cornerstone of Ovation’s SIL 3-compliant power architecture, this panel eliminates single points of failure, making it indispensable for processes where safety and uptime are non-negotiable .

Technical Specifications

Parameter Name	Parameter Value
Product Model	1C31194G01
Manufacturer	Emerson (Ovation Platform)
Product Type	Power Distribution Panel
Input Capacity	4 independent feeds (max 60V DC each)
Busbar Rating	150A continuous @ 50°C
Output Branches	24 fused circuits (standard)
Fuse Type	DIN 10×38mm (user-configurable)
Voltage Drop	<0.1V @ 100A (terminal-to-terminal)
Isolation	1500V AC (input-to-output)
Monitoring	Blown fuse detection (dry contact)
Enclosure Rating	IP20 (NEMA 1 equivalent)
Operating Temperature	-25°C to +55°C
Certifications	UL 508, IEEE 344 (Seismic), IEC 61439-1
Dimensions	483 × 132 × 400 mm (19″ rack-compatible)
Weight	12.5 kg

Main Features and Advantages

Fault-Tolerant Architecture: The Emerson 1C31194G01 employs a dual-path busbar design with integrated OR-ing diodes, enabling seamless transition between redundant power sources. This supports N+M redundancy configurations for critical loads, ensuring continuous operation even during primary power source failures. The modular safety features include tool-less fuse carriers with blown-fuse indicators (mechanical flags and remote alarm contacts), accelerating troubleshooting and reducing maintenance downtime. Field-configurable fuse ratings (1A–30A) using standard DIN rail components provide flexibility for diverse application requirements .

High-Current Integrity: Oxygen-free copper busbars with tin plating minimize resistance rise at 150A loads, while torque-controlled terminals (2.5 N·m) prevent hot spots in vibration-prone environments. Integrated current shunt resistors enable load monitoring via Ovation software, and optional Hall-effect sensors provide ±1% accuracy for branch circuit metering. The Emerson 1C31194G01 also features pre-drilled mounting patterns that match Ovation Pxxx-series racks, along with color-coded wiring channels and numbered terminals that reduce installation errors by 70%. These attributes make it a robust solution for scalable power management in critical infrastructures .

Application Fields

The Emerson 1C31194G01 is widely deployed in nuclear power plants for distributing Class 1E power to reactor protection systems, leveraging its IEEE 344 seismic compliance to withstand extreme environmental conditions. In fossil fuel power plants, it feeds 100+ I/O points in turbine control cabinets (TCC) with fused per-circuit protection, ensuring stable operation during grid fluctuations. For LNG trains, the module manages redundant power for cryogenic safety valves and gas detection systems, while in substations, it powers IEC 61850-3 compliant protection relays in switchyard control buildings .

The pharmaceutical industry utilizes the Emerson 1C31194G01 to provide isolated branches for FDA-critical batch process instrumentation, and water treatment facilities rely on it to distribute power to remote wellfield RTUs with surge-protected outputs. Its versatility across these sectors underscores its role in enhancing safety and reliability in continuous processes .

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