Express shipping to
Contact Us
Track Order
Search
Popular Search
Inquiry
Shopping Cart
Login

Coupon
Quote now,
save up to 8%.

Inquiry
Contact

Feedback
Your Feedback
How would you Rate us?
Ease of use:
Buying feedback:
Product details:
main product photo

Delta ESR-48/56A C, Huawei Delta ESR Series Rectifier, -40~75～C/90~300V/54V 50A

  • Brand: Huawei
  • Model: Delta ESR-48/56A C
  • 100% Genuine
    100% Genuine
    Original, factory-verified
    3-Year Warranty
    3-Year Warranty
    Extended, enterprise-grade
    23 Years Expertise
    24 Years Expertise
    Proven, deployment-focused
    • Condition
    • Original New
    expert
    Certified Expertise Builds Trust
    CCIE · JNCIE · NSE7 · ACDX · HPE Master ASE · Dell Server/AI Expert
    Talk to an Expert
    • Faster Delivery, Globally Ready

      Faster Delivery, Globally Ready

      20+ years of supply chain expertise for faster multi-stop delivery with smooth customs.

      48H Worldwide Shipping
      10+ Global Warehouses
    • Keep Projects On Time

      Keep Projects On Time

      Reliable availability and real-time shipment visibility to keep every critical IT project on schedule.

      Track Your Order
    • Leading Global Distributor Since 2002

      Leading Global Distributor
      Since 2002

      A global ICT bridge delivering authentic hardware and trusted service for over 20 years.

        21500+ Enterprise Clients Served200+ Countries & Regions Covered
    • Worry-Free Coverage with RSCare

      Worry-Free Coverage with RSCare

      3-Year warranty for enterprise hardware, including advanced RMA, diagnostics, spare parts support, and OEM service compatibility.

      Cisco SmartNet
      HPE Foundation Care
      Dell ProSupport
      Juniper Care
      Fortinet Support
    • Your Trusted Genuine Source

      Your Trusted Genuine Source

      Authorized partnerships with 30+ brands, including Cisco, HPE, Dell, Juniper, and Fortinet.

      100% Authentic Products
      100,000+ Multi-Brand SKUs Available
    Delta ESR-48/56A C, Huawei Delta ESR Series Rectifier, -40~75～C/90~300V/54V 50A

    Delta ESR-48/56A C, Huawei Delta ESR Series Rectifier, -40~75～C/90~300V/54V 50A

    100% Genuine Ready to Ship
    Overview
    Specification
    Reviews
    Q&A
    Warranty
    Download
    Overview

    Huawei Delta ESR-48/56A C Overview

    The Huawei Delta ESR-48/56A C is a carrier-grade rectifier designed to deliver stable DC power for telecom and enterprise network infrastructure. With a wide 90V–300V AC input voltage range and 54V output at up to 50A, it ensures dependable power conversion for base stations, data centers, and edge sites. Its typical 95% efficiency, active power factor correction up to 0.99, and forced air cooling help operators and integrators reduce energy loss and extend equipment lifetime even in harsh -40°C to 75°C environments.

    Product Highlights

    54V
    DC Output
    50A
    High Load
    95%
    Efficiency

    Product Applications Scenarios

    Data Center
    The rectifier delivers 54V 50A DC power with 95% efficiency, ensuring stable, redundant feeds for racks, reducing energy loss and cooling overhead in compact data center deployments.
    Service Providers
    Designed for carrier environments, it supports 90V–300V input and -40°C to 75°C operation, improving network uptime for access sites and helping cut field power failures significantly.
    Edge & IoT
    The compact 19-inch rack-mount design with RS485 and CAN control enables remote monitoring of edge and IoT cabinets, lowering on-site maintenance visits and operating costs.

    Product Features Comparison

    Huawei Huawei Huawei Huawei
    Model Delta ESR-48/56A C, Huawei Delta ESR Series Rectifier, -40~75°C/90~300V/54V 50A R4850N301SP, Huawei R4850N3 Series, 2U 2900W Rectifier/Normal Efficiency/Spare Part TN1B9RACK05, Huawei OSN 8800 Rack, 2200×600×300mm/LSZH/No SubRack FB9D000IST03, Huawei FIM2112 Series Splice and Distribution Box, 24-core LC/UPC, Bundle optical fibers, 25*232*200mm
    Brand Huawei Huawei Huawei Huawei
    Compatible Models n/a n/a 2*OSN 8800 T32 n/a
    Accessory Type Rectifier Normal Efficiency Rectifier Spare Part Enhanced ETSI Rack Splice and Distribution Box
    Connector Type n/a IEC 60320/C14; Terminal Block n/a LC/UPC
    Mounting Method 19-inch rack mount n/a Floor Mounted Wall-Mount
    Certification UL60950-1, IEC60950-1 CE, UL, TUV ETSI Standard IEC 60794-2-50; RoHS

    Optional Add-ons

    Model Number Description
    R4850N301SP Huawei R4850N3 Series 2U 2900W rectifier spare part for high-capacity DC power systems.
    TN1B9RACK05 Huawei OSN 8800 enhanced ETSI rack, 2200×600×300mm LSZH cabinet for telecom power and transport gear.
    FB9D000IST03 Huawei FIM2112 splice and distribution box, 24-core LC/UPC fiber management for DC power-fed networks.

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    Huawei Delta ESR-48/56A C Specification

    Model
    Delta ESR-48/56A C
    Brand
    Huawei
    Temperature Range
    40掳C to 75掳C
    Input Voltage Range
    90V - 300V
    Output Voltage
    54V
    Output Current
    50A
    Product Type
    Rectifier
    Efficiency
    Typical 95%
    Power Factor
    掳 0.99
    Cooling
    Forced air cooling
    Protection
    Over Voltage, Over Current, Over Temperature
    Dimensions
    123.4 x 41 x 307.5mm
    Mounting
    19-inch rack mount
    Control
    Digital control
    Communication
    RS485, CAN
    EMC Compliance
    EN 55022 Class 1
    Safety Standards
    UL60950-1, IEC60950-1
    Noise Level
    Less than 55dB(A)
    MTBF
    200,000 hours
    Humidity
    5% to 95%, non-condensing
    Altitude
    2000m above sea level

    Get more information

    Discover unbeatable prices and fast shipping for the Delta ESR-48/56A C, Huawei Delta ESR Series Rectifier, -40~75°C/90~300V/54V 50A . Access the detailed Delta ESR-48/56A C, Huawei Delta ESR Series Rectifier, -40~75°C/90~300V/54V 50A datasheet and ensure you're getting the best deal with our reliable delivery service. Need assistance? Our free live chat support is here to help. For more information about the product and pricing, contact us via live chat or email us at [email protected].

    Quality Certifications

    Need Help? Technical Experts Available Now.

    • +1-626-655-0998 (USA)
      UTC 15:00-00:00
    • +852-2592-5389 (HK)
      UTC 00:00-09:00
    • +852-2592-5411 (HK)
      UTC 06:00-15:00
    Get a Quote
    Live Chat
    Need Help? Technical Experts Available Now.
    Q&A

    Questions & Answers

    Are there alternative products to the Delta ESR-48/56A C rectifier?

    Alternatives include other rectifiers from Delta's ESR series and similar products from different manufacturers.

    What are common troubleshooting steps for the Delta ESR-48/56A C?

    Common steps include checking input/output connections, verifying voltage settings, and consulting the user manual.

    How does the Delta ESR-48/56A C compare with other rectifiers in its category?

    The Delta ESR-48/56A C is renowned for its wide operational temperature range and high current output compared to others.

    Is router-switch.com a reliable distributor?

    Absolutely. As a multi-brand authorized distributor, router-switch.com is directly certified by leading technology manufacturers. We guarantee 100% genuine products, competitive pricing, and full manufacturer warranties and support.

    Learn More
    Warranty

    • Your Trusted Global ICT Partner

      Delivering reliable, cross-border fulfillment with 20+ years of expertise, backed by rigorous QC, fast logistics, and worldwide warehousing.
      Global warehousing
      Global warehousing
      10+ hubs positioned for fast international dispatch and stable availability.
      Seamless cross-border
      Seamless cross-border
      QC-verified packing and predictable delivery via FedEx, DHL, UPS.
      Your Trusted Global ICT Partner
    • ICT Tools Hub for Confident Monitoring

      ICT Tools Hub for Confident Monitoring

      Stay informed on product lifecycle status and real-time inventory availability—supporting confident planning, sourcing, and operational execution.
      EOL/EOSL Checker
      EOL/EOSL Checker
      Verify product lifecycle status to plan purchases and avoid EOL/EOSL risks.
      Request VIP Inventory Portal Access
      Request VIP Inventory Portal Access
      Connect via live chat for VIP access to real-time inventory on priority SKUs.

    • Certified Experts Across Leading Vendors

      Professional guidance for network, security & data center builds, delivered by certified experts with extensive, hands-on deployment experience.
      Multi-vendor engineering
      Multi-vendor engineering
      Certified expertise across Cisco, HPE, Aruba, Dell, Juniper, Huawei and Fortinet.
      Deployment-ready guidance
      Deployment-ready guidance
      Faster, safer rollouts with project-focused engineering guidance.
      Certified Experts Across Leading Vendors

    The Choice of 21,500 +Global Customers

    • Ford
    • Disney
    • Nestle
    • Toyota
    • Walmart
    • Philips
    • Ups
    • Huatt
    • Hsbc
    • Novartis
    • Siemens Healthineers
    • Bt
    • Reference Johnson
    • T
    • Att
    • Lgu
    • Sk Telecom
    • Veerizon
    Industry-Leading Warranty Coverage You Can Trust
    • 100% Low Price Guarantee
      100% Low Price Guarantee
      Router-switch.com offers genuine, high-quality ICT products at competitive wholesale prices—ensuring exceptional value without compromising quality.
    • 100% Quality Assurance
      100% Quality Assurance
      All items are brand new, original, and factory-sealed.
      Upon request, each unit can be fully tested and verified by a Huawei-certified engineer to ensure perfect working condition before shipment.
    • 100% Money-Back Guarantee
      100% Money-Back Guarantee
      If you are not satisfied with your purchase, you may request an exchange or full refund. Our customer service team will guide you through the return process quickly and smoothly.
      Visit Return Policy page for more information.
    • Free Huawei Technical Support
      Our Huawei-certified experts provide free professional support via phone, email, online chat, or remote login—helping you deploy and troubleshoot with confidence.
    • Flexible & Secure Payment and Shipping
      Flexible & Secure Payment and Shipping
      We support multiple secure payment and logistics options, backed by industry-leading verification:
      • Pay by wire transfer.
      • Pay with your paypal.
      • Pay with your Visa credit card.
      • Pay with your Mastercard credit card.
      • Pay with your Discover Card.
      • Pay by American Express.
      More
      Trusted & Secure Payments ×
      100% Trusted, Secure Purchase at Router-switch.com
      • 120+ Local Currencies120+ Local Currencies
      • Multiple Payment OptionsMultiple Payment Options
      • 100% Secure Payments100% Secure Payments

      Choose the payment method that works for you—local options, multiple currencies, or bank transfers. Every payment is protected by SSL encryption, PCI DSS-level security, McAfee Secure, and VeriSign Secured for complete peace of mind.

      • tt
      • paypal
      • visa
      • mastercard
      • echeck
      • webmoney
      • discover
      • american-express
      • jcb
      • bank-transfer
      • western-union
      • qiwi
      • apple Pay
      • google pay
      Guaranteed Safe Checkout
      • ssl-encryption
      • pci-dss
      • mcafee-secure
      • verisign-secured
      View Payment Options
      • mcafee-secure
      • verisign-secured
      • pci-dss
      • ssl-encryption
      Visit How to Pay page for more information
    Warranty Coverage & RMA Instructions
    • Extended, Worry-Free Warranty Coverage
      Extended, Worry-Free Warranty Coverage
      • Factory New Sealed Enterprise Hardware: 3 Years
      • Factory New Sealed Consumer Devices: 1 Year
      Visit Warranty Policy page for more information
    • How to Get Support
      How to Get Support
      If you encounter issues with products, please reach out to your dedicated sales representative. They will assist with diagnostics, remote troubleshooting, and RMA processing if necessary.
      Visit Contact Us page for more support options.

    Best-Fit Solutions for Your Network

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Expert-configured AI solution: Same power, 90% savings—multi-scenario flexibility with Dell/Huawei/Lenovo options.

    AI
    Beyond Bandwidth: The 100G+ Data Center Architecture

    Beyond Bandwidth: The 100G+ Data Center Architecture

    The must-have 100G foundation - AI-ready growth, zero-latency performance

    Data Center
    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    High-Profit data center switches from Cisco, Huawei, Mellanox & Juniper.

    Ethernet Switch
    Download
    Model Datasheet
    Log in
    Register