Juniper Networks 740-009148 48V DC Power Unit / Power Supply SP559-1A PWR-M-DC-S-B

Juniper Networks 740-009148 48V DC Power Unit / Power Supply SP559-1A PWR-M-DC-S-B
Juniper Networks 740-009148 48V DC Power Unit / Power Supply SP559-1A PWR-M-DC-S-B
Overview The Juniper Networks 48V DC Power Unit (part number 740-009148) is a reliable, high-efficiency power supply designed for mission-critical networking equipment. Model SP559-1A PWR-M-DC-S-B delivers a stable 48V DC output, ensuring consistent ... Read More
price
$513.95

Ships next business day.

  • In Stock: 5
  • Manufacturer: Juniper Networks
  • Model or Part: 740-009148
  • Condition: Refurbished
  • Weight: 27.00lb
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Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Overview
The Juniper Networks 48V DC Power Unit (part number 740-009148) is a reliable, high-efficiency power supply designed for mission-critical networking equipment. Model SP559-1A PWR-M-DC-S-B delivers a stable 48V DC output, ensuring consistent performance for routers, switches and other infrastructure devices in demanding data centre and campus environments.

Key Features

  • Input voltage range 100-240V AC, supporting worldwide deployment
  • 48V DC output with up to 10A continuous current capacity
  • Built-in over-voltage, over-current and short-circuit protection for equipment safety
  • Compact, fan-less design reduces noise and maintenance requirements
  • Hot-swap capability allows replacement without system shutdown
  • Compliance with RoHS and IEC safety standards

Technical Specifications

  • Model / Part Number: 740-009148 (SP559-1A PWR-M-DC-S-B)
  • Output Voltage: 48V DC
  • Maximum Output Current: 10A
  • Output Power: 480W
  • Input Voltage: 100-240V AC
  • Input Frequency: 50/60 Hz
  • Efficiency: up to 92 percent
  • Operating Temperature: 0 to 40 degrees C
  • Storage Temperature: -40 to 85 degrees C
  • Dimensions (W x H x D): 150 mm x 100 mm x 70 mm
  • Weight: approx 1.2 kg

Typical Applications

  • Powering Juniper MX, EX and QFX series switches and routers
  • Providing redundant power in carrier grade routers
  • Supplying power to network appliances in telecom central offices
  • Supporting edge and aggregation devices in enterprise campus networks
  • Use in industrial networking environments where reliable DC power is required

By delivering clean, regulated 48V DC power, this Juniper Networks power unit helps maintain uptime, protect valuable network assets and simplify power management across a wide range of high-performance networking solutions.