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2U 19-inch Rack Embedded DC Power System with 6KW 90A Output Capacity and 96.2% Rectifier Efficiency for Telecom DC Power Subrack
2U 19-inch Rack Embedded DC Power System
,6KW 90A Output Telecom DC Power Subrack
,96.2% Rectifier Efficiency DC Power Cabinet
The Vertiv NetSure 531 A32-S1 (formerly E merso n) is a compact 2U, 19-inch standard embedded telecom DC power subrack, specially designed for FTTx OLT, DSLAM and indoor 4G/5G micro base stations. It supports up to three R48-2000e3 / R48-2000A3 rectifier modules, forming a total system capacity of up to 6 kW / 90 A @ 48 VDC, and is equipped with an optional M221S or advanced M830B intelligent monitoring controller.
The subrack integrates complete AC input, battery distribution and multi-channel load circuit breakers, with built-in AC C-level and DC D-level two-stage lightning protection. Featuring a mixed high-efficiency and standard rectifier pluggable design plus an ECO module sleep function, this all-in-one power shelf delivers energy-saving operation and is widely adopted in global access network equipment rooms and unmanned pole-mounted communication cabinet projects.
- Standard 2U (88 mm) × 483 × 310 mm 19-inch rack dimensions with full front wiring layout for easy installation and maintenance.
- Ultra-wide single-phase AC input of 85–300 VAC (50/60 Hz) for strong adaptability to unstable municipal grids and diesel generator power.
- Adjustable DC output of 42–58 VDC (default 53.5 VDC), with up to 3 × 2000 W rectifiers for a total continuous output of 6 kW / 90 A.
- High-efficiency R48-2000e3 rectifier with peak efficiency up to 96.2%, PF ≥ 0.99 and THDi < 3% to reduce long-term power consumption.
- Mixed configuration available: high-efficiency and standard rectifiers can be mixed, with intelligent ECO sleep to reduce idle loss.
- Full hot-swap rectifier design allows module replacement without system power-off, lowering field maintenance downtime.
- Complete built-in distribution: 1 × 40 A AC breaker, 2 × 50 A battery breakers, and 6-path independent load breakers (1 × 40 A + 2 × 30 A + 3 × 20 A).
- Dual optional controllers: M221S (LCD, RS232 + LAN) or M830B (rich I/O, IPv6 / SNMP / Modbus multi-protocol remote monitoring).
- AC 20 kA + DC 10 kA two-stage surge protection with full OVP / OCP / SCP / OTP multi-layer electrical safety protection.
- Wide working range of -40 °C to +80 °C for the rectifier, ensuring stable operation inside sealed compact equipment cabinets.
| Model | NetSure 531 A32-S1 |
|---|---|
| Brand | Vertiv / Former E merso n |
| Subrack Size | 88 (H) × 483 (W) × 310 (D) mm, 2U 19" |
| Net Weight | 13 kg (without rectifiers) |
| AC Input | 85–300 VAC, 50/60 Hz, nominal 220–250 VAC |
| DC Output | Adjustable 42–58 VDC (nominal 53.5 V), max 90 A / 6 kW |
| Matching Rectifier | R48-2000e3 (high efficiency) / R48-2000A3, max 3 pcs |
| Optional Monitor | M221S / M830B |
| Rectifier Peak Efficiency | 96.2% |
| Built-in Distribution | AC: 1 × 40 A; Battery: 2 × 50 A; Load: 1 × 40 A + 2 × 30 A + 3 × 20 A |
| Lightning Grade | AC: 20 kA (C), DC: 10 kA (D) |
| Working Temperature | Rectifier: -40 °C to +80 °C |
| MOQ | 1 set |
| Unit Price | $699 / set (1–9 pcs) |
| Monthly Supply | 1000 sets |
| Packing | Export carton / wooden frame |
| Warranty | 12 months |
- FTTx OLT and DSLAM indoor cabinet embedded DC backup power
- Indoor 4G/5G micro small cell base station power supply
- Pole-mounted outdoor unmanned communication cabinet power systems
- Security monitoring and compact industrial control DC power equipment
- Old NetSure cabinet capacity expansion and component replacement projects
- Mini edge data room auxiliary uninterrupted power source
We are a professional manufacturer and one-stop solution provider for communication DC power systems, with 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.
Our professional technical team brings years of experience in the power industry. We provide personalized customization covering power configuration, external interfaces, functional parameters, appearance design and logo printing, satisfying the diverse demands of telecom operators, system integrators and equipment manufacturers.
We offer full-cycle cooperation support from product design, prototype testing and certification through to mass production. With an efficient development process and strict quality management, we help you launch products quickly and build exclusive brand advantages.
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.
All products pass full-load operation testing, high-low temperature aging testing, safety performance testing and simulated on-site operation testing before delivery. We adopt high-quality original components and implement strict quality control standards to guarantee long-term stable operation in various harsh environments.
We have established a complete service system covering 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 at all times.
Our products have been exported to many countries and regions and are widely applied in communication, data center, industrial control and new energy fields. With rich project experience, we can provide targeted power solutions for different regional standards and application scenarios.
We sincerely look forward to establishing a long-term, stable cooperative partnership with you.
