Product Overview
The Vertiv NetSure 531 A32‑S1 (Former Emerson) is compact 2U 19-inch standard embedded telecom DC power subrack, specially designed for FTTx OLT, DSLAM and indoor 4G/5G micro base station. It supports max 3 units of R48‑2000e3/R48‑2000A3 rectifier modules, forming a total system capacity up to 6KW/90A@48VDC, equipped with optional M221S or advanced M830B intelligent monitoring controller. The subrack integrates complete AC input, battery distribution and multi-channel load circuit breakers, built-in AC C-level & DC D-level two-stage lightning protection. Featured mixed high-efficiency & standard rectifier pluggable design plus ECO module sleep function, this all-in-one power shelf realizes energy-saving operation, widely adopted in global access network equipment room and unmanned pole-mounted communication cabinet projects.
Key Features
Standard 2U(88mm) ×483×310mm 19-inch rack dimension, full front wiring layout for easy installation and maintenance
Ultra-wide single-phase AC input:85~300VAC(50/60Hz), strong adaptability for unstable municipal grid and diesel generator power
Adjustable DC output 42~58VDC(default53.5VDC), max 3×2000W rectifier for total 6KW/90A continuous output
High-efficiency R48‑2000e3 rectifier peak efficiency up to 96.2%, PF≥0.99, THDi＜3% to cut long-term power consumption
Mixed configuration available: high-efficiency & normal rectifier mixed insertion + intelligent ECO sleep to reduce idle loss
Full hot-swap rectifier design, replace modules without system power off, lower field maintenance downtime
Complete built-in distribution: 1×40A AC breaker, 2×50A battery breakers, 6-path independent load breakers(1×40A+2×30A+3×20A)
Dual optional controllers: M221S(LCD,RS232+LAN)/M830B(rich I/O,IPv6/SNMP/Modbus multi-protocol remote monitoring)
AC 20kA + DC10kA two-stage surge protection, full OVP/OCP/SCP/OTP multi-layer electrical safety protection
Wide working range:‑40℃~+80℃ for rectifier, stable running inside sealed compact equipment cabinet
Technical Specifications
| Item | Details |
| Model | NetSure 531 A32‑S1 |
| Brand | Vertiv / Former Emerson |
| Subrack Size | 88(H)×483(W)×310(D)mm,2U 19" |
| Net Weight | 13kg(without rectifiers) |
| AC Input | 85~300VAC,50/60Hz,Nominal220~250VAC |
| DC Output | Adjustable42~58VDC(Nom53.5V),Max90A/6KW |
| Matching Rectifier | R48‑2000e3(High Eff)/R48‑2000A3,Max3pcs |
| Optional Monitor | M221S / M830B |
| Rectifier Peak Efficiency | 96.2% |
| Built-in Distribution | AC:1×40A; Battery:2×50A; Load:1×40A+2×30A+3×20A |
| Lightning Grade | AC:20kA(C),DC:10kA(D) |
| Working Temp | Rectifier:‑40℃~+80℃ |
| MOQ | 1 Set |
| Unit Price | $699/Set(1~9pcs) |
| Monthly Supply | 1000 Sets |
| Packing | Export Carton/Wooden Frame |
| Warranty | 12 Months |
Applications
FTTx OLT & DSLAM Indoor Cabinet Embedded DC Backup Power
Indoor 4G/5G Micro Small Cell Base Station Power Supply
Pole-mounted Outdoor Unmanned Communication Cabinet Power System
Security Monitoring & Compact Industrial Control DC Power Equipment
Old NetSure Cabinet Capacity Expansion & Component Replacement Project
Mini Edge Data Room Auxiliary Uninterrupted Power Source
Why Choose Us
We are a professional manufacturer and one‑stop solution provider for communication DC power systems, boasting mature R&D strength, large‑scale production capacity and flexible service modes. We fully support OEM and OBM cooperation, helping global partners create differentiated power products.
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Powerful R&D & Customization Ability
We have a professional technical team with years of experience in the power industry. We can provide personalized customized services covering power configuration, external interfaces, functional parameters, appearance design and logo printing, to satisfy diverse demands from telecom operators, system integrators and equipment manufacturers.
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Comprehensive OEM & OBM Services
We offer full‑cycle cooperation support from product design, prototype testing, certification to mass production. With efficient development process and strict quality management, we help you quickly launch products and build exclusive brand advantages.
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Large Production Capacity & On-time Delivery
We own standardized production workshops and complete production lines. Relying on a stable supply chain and mature production technology, we maintain sufficient inventory and strong production capacity, ensuring on-time delivery even for bulk orders and long-term cooperative supply.
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Strict Multi-level Quality Inspection
All products will pass full-load operation test, high-low temperature aging test, safety performance test and simulated on-site operation test before delivery. We adopt high-quality original components and implement strict quality control standards to guarantee long-term stable operation of products in various harsh environments.
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Full Lifecycle Technical & After-sales Support
We establish a complete service system including pre-sales consultation, in-sales technical guidance and after-sales maintenance. Our technical team responds quickly to provide remote debugging, on-site technical guidance and spare parts supply, protecting the stable operation of your power system all the time.
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Rich Global Project Experience
Our products have been exported to many countries and regions, widely applied in communication, data center, industrial control, new energy and fields. With rich project experience, we can provide targeted power solutions for different regional standards and application scenarios.
We sincerely look forward to establishing long‑term stable cooperative partnership with you.
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