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HP J4839A 500 Watts 100-240 V Redundant Power Supply For ProCurve GL
- 500 Watts Power Supply Unit
- Redundant design for high availability
- Universal Input: 100-240 V AC
- Compatible with HP ProCurve GL Series switches
- Provides stable and efficient power delivery
- Ensures continuous network operation
- Hot-swappable for easy replacement
- Designed for enterprise networking environments
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Product Overview
The HP J4839A is a 500 Watts redundant power supply unit compatible with HP ProCurve GL series network switches. It operates on a universal input voltage range of 100-240 V and is designed for high availability.
Technical Information
| Product Type | Power Supply Unit |
| Wattage | 500 Watts |
| Redundancy | Yes |
| Input Voltage | 100-240 V AC |
Additional Specifications
| Compatibility | HP ProCurve GL Series |
| Brand | HP |
| Part Number | J4839A |
Product Description
The HP J4839A is a 500 Watt redundant power supply unit designed to provide reliable and continuous power to HP ProCurve GL series network switches. This unit supports a universal input voltage range of 100-240 V AC, making it suitable for deployment in various global locations without requiring voltage converters. Its primary function is to ensure high availability for critical network infrastructure. As a redundant power supply, the J4839A is intended to be used in pairs within compatible ProCurve switches. This configuration allows for seamless failover; if one power supply unit malfunctions or requires maintenance, the other unit assumes the full power load, thereby preventing any interruption to the network switch's operation. This is crucial for maintaining network uptime and ensuring business continuity. The 500-watt capacity is sufficient to power the switch's complex circuitry, high-speed ports, and other components, even under demanding network traffic conditions. The J4839A is typically hot-swappable, enabling administrators to replace or add power supplies without shutting down the network switch, further enhancing its suitability for mission-critical environments. This part number signifies a robust power solution for HP's enterprise networking equipment.

