Huawei ETP4890-A2 Embedded DC Power System 90A

Product Overview

The Huawei ETP4890-A2 is a 90A embedded -48 VDC power system designed for telecom access networks, transmission equipment and enterprise communication rooms. The 19-inch plug-in frame integrates AC distribution, rectifier slots, DC distribution and a monitoring unit in a compact chassis, supporting hot-swap rectifiers for tool-free capacity expansion and N+1 redundancy.

BS Comtec supplies the ETP4890-A2 with configuration support, compatible rectifier modules and worldwide delivery. Typical deployments include OLT/ONU access sites, microwave and transmission nodes, and enterprise equipment rooms requiring reliable -48 V DC power. Request a quote for configuration options and lead time.

Key Features

• Output Current: 90 A
• Nominal Voltage: -48 VDC (42-58 VDC adjustable, 53.5 VDC default)
• Input Voltage Range: 85-300 VAC wide-range input
• Form Factor: 3U, 19-inch plug-in frame
• Compatible Rectifiers: R4830 series (30 A) hot-swap rectifiers
• Operating Temperature: -40 °C to +65 °C

Specifications

Key Features of ETP4890-A2 Embedded DC

ETP4890-A2 Embedded DC is part of the 48 V DC power system family widely used in telecom and data applications. Systems of this class commonly combine rectifier modules, monitoring controllers and distribution units in rack or cabinet formats.

Typical Applications of ETP4890-A2 Embedded DC

DC power systems of this type are widely used in telecom equipment rooms, base station sites, data centers and industrial control environments that require reliable -48 V DC power.

Selecting ETP4890-A2 Embedded DC with BS Comtec

BS Comtec supplies DC power systems and rectifier modules from Vertiv, Huawei, ZTE, Eltek and other brands with global delivery. Tell us your load budget, battery requirements and installation space for a tailored proposal.

Frequently Asked Questions

How do I size ETP4890-A2 Embedded DC for my site?

Start from your steady-state and peak DC load, redundancy requirements (N+1 or 2N), battery backup time and expansion plans. BS Comtec can model these figures and propose a suitable configuration.

Can ETP4890-A2 Embedded DC work with my existing rectifiers or batteries?

It depends on voltage range, communication protocols and mechanical compatibility. Provide your current system details and BS Comtec will review interfaces and recommend a compatible combination.

How is ETP4890-A2 Embedded DC shipped and delivered?

Systems and modules are packed for international freight, and lead times vary by model and destination. Contact BS Comtec for current availability, shipping options and delivery schedules.

What warranty and support come with ETP4890-A2 Embedded DC?

Warranty follows the manufacturer’s policy for the ordered configuration. BS Comtec assists with commissioning guidance, spare module supply and service coordination where required.

Where is ETP4890-A2 Embedded DC typically deployed?

It is commonly deployed in telecom central offices, outdoor cabinets, data centers and industrial facilities that rely on stable -48 V DC distribution.

What are the key specifications of ETP4890-A2?

ETP4890-A2 key specs: -48 VDC (42-58 VDC adjustable, 53.5 VDC default); 90 A; 3U, 19-inch plug-in frame. Full datasheet and test report available from BS Comtec on request.

Does BS Comtec supply ETP4890-A2?

Yes. BS Comtec supplies ETP4890-A2 (Huawei line) from Singapore stock, MOQ from 1 piece; in-stock items dispatch within 24-48 hours with worldwide shipping.

Is there a cross-reference or equivalent for ETP4890-A2?

BS Comtec maintains a cross-reference chart covering Huawei, Vertiv (Emerson), Eltek, ZTE and Delta 48V modules. Contact us for the direct equivalent of ETP4890-A2.