PWR-RGD-AC-DC-400 Cisco 400 Watt AC/DC Power Supply Module

Overview of Cisco PWR-RGD-AC-DC-400 Power Supply

The Cisco PWR-RGD-AC-DC-400 is a ruggedized 400 Watt AC/DC redundant power supply module crafted for the Catalyst IE9300 series. This hot-swappable unit ensures continuous energy delivery in industrial and enterprise environments, supporting advanced PoE requirements for modern networking.

General Information

• Brand: Cisco 
• Part Number: PWR-RGD-AC-DC-400
• Category: Redundant Power Supply

Technical Information

• Delivers 400 Watts output power
• Reliable energy supply for industrial-grade networks

AC Input

• Range: 100–240V AC
• Frequency: 50–60 Hz
• Maximum Current: 3.3A

DC Input

• Range: 100–250V DC
• Flexible integration with DC-powered environments

Form Factor

• Plug-in hot-swappable module
• Dimensions: 1.58 x 7 x 6.58 inches
• Weight: 1.61 kg

PoE Capabilities

• Essential for 4PPoE Type 4
• Compatible with UPOE+ / IEEE 802.3bt Class 7 and 8
• Ensures high-power delivery for connected devices

Redundant Design

• Minimizes risk of power interruptions
• Supports continuous uptime in rugged environments

Energy Efficiency

• Optimized for industrial networking needs
• Reduces energy waste while maintaining performance

Future-Proof Architecture

• Supports evolving network demands
• Compatible with next-generation Catalyst IE9300 deployments

Cisco PWR-RGD-AC-DC-400 400 Watt AC/DC Power Supply

The Cisco PWR-RGD-AC-DC-400 is a high-reliability 400 watt AC/DC power supply module designed specifically for industrial-grade networking environments where stability, rugged durability, and continuous uptime are critical. Developed for integration with the Catalyst IE9300 Rugged Series, this power module ensures that network infrastructure deployed in harsh and mission-critical environments maintains uninterrupted operation even under fluctuating electrical conditions.

As part of the broader industrial networking portfolio from Cisco, this power supply module reflects the engineering standards associated with advanced edge computing and industrial Ethernet deployments. It is built to deliver consistent power conversion efficiency while supporting both AC and DC input sources, making it highly adaptable for varied industrial installations where power availability may not always be uniform or predictable.

The design philosophy behind this module focuses on operational resilience, compact integration, and long-term reliability, ensuring that enterprises deploying ruggedized Catalyst switches can depend on consistent electrical performance in environments such as transportation systems, manufacturing plants, energy distribution facilities, and outdoor network enclosures.

Rugged Engineering for Mission-Critical Environments

The Cisco PWR-RGD-AC-DC-400 is engineered with industrial-grade components that allow it to function efficiently in environments characterized by vibration, temperature extremes, and electrical instability. Unlike conventional enterprise power supplies, this module is designed to withstand physical and environmental stress without compromising performance stability.

Its rugged construction ensures compatibility with Catalyst IE9300 series switches that are often deployed at the network edge where exposure to harsh conditions is unavoidable. This includes railways, intelligent transportation systems, oil and gas facilities, and outdoor telecommunications cabinets where reliability is paramount.

Dual Input AC/DC Flexibility

One of the defining characteristics of this module is its ability to support both AC and DC input power sources. This flexibility allows network engineers to deploy the same hardware across diverse electrical infrastructures without requiring redesign or modification of power delivery systems.

In environments where AC power is unstable or unavailable, DC input ensures continuity of service. Conversely, in standard enterprise or industrial AC-powered environments, the module efficiently converts alternating current into stable DC output suitable for networking hardware operation.

Integration with Cisco Catalyst IE9300 Rugged Series

Seamless Compatibility and System Optimization

The Cisco PWR-RGD-AC-DC-400 is purpose-built for the Catalyst IE9300 Rugged Series, ensuring seamless mechanical and electrical integration. This tight coupling between power module and switch architecture allows for optimized airflow, reduced thermal buildup, and improved system efficiency.

The integration ensures that the power delivery system aligns precisely with the operational requirements of industrial Ethernet switching, supporting high-performance data transmission while maintaining energy efficiency in demanding environments.

Industrial Ethernet Power Stability

Industrial Ethernet networks require uninterrupted power delivery to maintain real-time communication between sensors, controllers, and monitoring systems. The power supply module ensures stable voltage regulation, preventing network interruptions that could lead to operational downtime or data loss in critical systems.

Redundant Power Support in Industrial Networks

In many Catalyst IE9300 deployments, redundancy is a key requirement. The PWR-RGD-AC-DC-400 supports configurations that allow redundant power setups, ensuring that if one power source experiences failure or fluctuation, the system continues operating without interruption.

This redundancy capability is especially important in automation systems, where even milliseconds of downtime can impact production efficiency or safety systems.

Electrical Performance and Power Efficiency

400 Watt Power Output Capability

With a maximum output capacity of 400 watts, the module is engineered to support the full operational load of industrial Catalyst switches and associated networking components. This ensures that even under peak traffic conditions or extended operational loads, power delivery remains stable and consistent.

The power output is carefully regulated to prevent voltage fluctuations, ensuring that sensitive networking components receive clean and reliable electrical input at all times.

Energy Conversion Efficiency

The AC/DC conversion process within the module is optimized for high efficiency, reducing unnecessary energy loss during transformation. This efficiency not only reduces operational costs but also minimizes heat generation, contributing to improved system longevity.

Lower heat output translates into reduced cooling requirements within industrial enclosures, which is particularly beneficial in sealed or remote installations where thermal management resources are limited.

Environmental Durability and Operational Resilience

Performance in Extreme Conditions

The Cisco PWR-RGD-AC-DC-400 is built to operate reliably in environments that experience extreme temperatures, humidity variations, and mechanical vibrations. This makes it suitable for deployment in outdoor cabinets, factory floors, and transportation hubs where environmental control is minimal.

Its rugged design ensures consistent performance even when exposed to dust, electrical noise, and fluctuating voltage conditions commonly found in industrial settings.

Thermal Management and Heat Dissipation

Efficient thermal management is a core design feature of this power supply module. It is engineered to dissipate heat effectively, ensuring that internal components remain within optimal operating temperature ranges.

This thermal efficiency contributes directly to system stability and extends the overall lifespan of both the power module and the connected Catalyst switching hardware.

Modular Deployment Architecture

The modular design of the Cisco PWR-RGD-AC-DC-400 allows for straightforward installation into compatible Catalyst IE9300 systems. This modularity enables network engineers to quickly replace or upgrade power components without disrupting the entire system architecture.

The installation process is designed to minimize downtime, making it ideal for environments where continuous operation is critical.

Space-Efficient Integration

Given the compact form factor of the module, it can be installed in space-constrained industrial enclosures where efficient use of rack or cabinet space is essential. This allows for high-density networking deployments without compromising power reliability.

Field Replaceability and Efficiency

The module supports field replacement capabilities, enabling technicians to perform maintenance or replacements without requiring full system shutdown. This feature is particularly valuable in industrial automation and transportation networks where downtime must be minimized.

Industrial Automation Systems

In manufacturing environments, the Cisco PWR-RGD-AC-DC-400 supports continuous communication between programmable logic controllers, sensors, and industrial monitoring systems. Its stable power delivery ensures that automation workflows remain uninterrupted.

Energy and Utility Networks

Energy distribution facilities and utility monitoring systems rely on ruggedized networking hardware to ensure real-time monitoring and control. The power supply module supports these systems by providing stable and redundant power conversion capabilities.

Outdoor and Remote Networking Installations

Remote installations such as telecommunications towers, pipeline monitoring stations, and outdoor network cabinets benefit from the rugged design of this module. Its ability to function under unpredictable environmental conditions makes it ideal for off-grid or semi-controlled deployments.

Reliability Engineering and System Longevity

High Availability Design Principles

Reliability is central to the design of the Cisco PWR-RGD-AC-DC-400. It incorporates high-quality components and advanced electrical regulation systems to ensure long-term operational stability. This focus on reliability reduces the risk of network downtime and supports continuous industrial operations.

The module is designed to maintain consistent output even under variable input conditions, ensuring that connected systems remain unaffected by external power instability.

System Compatibility and Network Architecture Alignment

Integration with Catalyst Industrial Ecosystems

The Cisco PWR-RGD-AC-DC-400 aligns with the broader Catalyst industrial networking ecosystem, enabling cohesive integration with switching platforms, management systems, and industrial IoT architectures. This ensures consistent performance across distributed network environments.

As part of Cisco industrial solutions portfolio, it contributes to unified infrastructure management and standardized deployment models across enterprise and industrial environments.

Scalability in Network Expansion

The module supports scalable network expansion strategies by enabling consistent power delivery across multiple network nodes. This is particularly important in large-scale industrial deployments where network infrastructure must grow without compromising reliability or performance.

Safety Standards and Operational Compliance

Electrical Safety Engineering

The Cisco PWR-RGD-AC-DC-400 is designed with strict adherence to industrial electrical safety standards. It incorporates protective mechanisms that prevent overvoltage, overcurrent, and short-circuit conditions, ensuring safe operation in critical environments.

These safety features protect both the power module and the connected networking equipment from electrical damage, reducing operational risk in industrial deployments.

Compliance with Industrial Networking Requirements

The module is engineered to meet the compliance requirements expected in industrial networking environments, including those related to electromagnetic compatibility and environmental resilience. This ensures reliable operation even in electrically noisy environments such as factories and power stations.