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19-Inch 4U Embedded DC Power System with 96.3% Peak Rectifier Efficiency and 200A Max Output Current for Telecom DC Power System
19-Inch 4U Embedded DC Power System
,96.3% Peak Rectifier Efficiency Telecom DC Power System
,200A Max Output Current Embedded DC Power System
The Vertiv (formerly Emerso n) NetSure 731 A41 is a highly integrated, high-efficiency 19-inch embedded DC power system designed for mission-critical telecom access networks, 4G/5G base stations, OLT equipment, edge data centers, and industrial power scenarios. It adopts a standard 4U rack-mount subrack structure, supports up to 4 high-efficiency rectifier modules, and provides a stable -48V DC output with a system capacity of up to 200A / 14kW.
Equipped with intelligent monitoring, complete protection, and flexible power distribution, this system ensures reliable, energy-saving, and maintenance-free operation. It features front access, hot-swap capability, wide voltage input, and strong environmental adaptability, making it the preferred embedded power solution for modern communication infrastructure.
- Standard 19-inch 4U embedded design for easy rack installation and space saving
- Wide AC input range of 85–305VAC, 50/60Hz, compatible with global power grids and generator power
- Supports up to 4 R48-3000e3 / R48-3500e3 rectifier modules, with system power from 3.5kW to 14kW
- Peak rectifier efficiency up to 96.3%, delivering high energy savings and low operating costs
- Stable adjustable -48V DC output (-42V to -58V), with a maximum output current of 200A
- Hot-swappable rectifier modules allow online replacement without system shutdown
- Integrated intelligent monitoring (M221S/M225S) with LCD display, Ethernet, RS232, and SNMP support
- Complete built-in protection: LVBD, OVP, OCP, SCP, OTP, and surge protection
- Full front maintenance design for convenient installation, operation, and replacement
- Wide operating temperature range of -40°C to +70°C, suitable for outdoor cabinets and harsh environments
- Standard circuit breakers for load and battery distribution, ensuring safe and reliable operation
- Certified with CE, UL, ETSI, and global telecom standards
| Brand | Vertiv / Emerso n |
|---|---|
| Model | NetSure 731 A41 |
| System Type | 19-inch 4U embedded subrack |
| AC Input | 85–305VAC, 50/60Hz |
| DC Output | Nominal -48VDC; Adjustable -42V to -58VDC |
| Max System Current | 200A |
| System Power | 3.5kW to 14kW |
| Matching Rectifier | R48-3000e3 / R48-3000A3 (50A/module) |
| Rectifier Efficiency | Up to 96.3% |
| Monitoring Unit | M221S / M225S |
| Communication | Ethernet, RS232, SNMP |
| Protection | LVBD, OVP, OCP, SCP, OTP, Surge |
| Dimensions (W×D×H) | 483 × 400 × 178 mm |
| Weight | Approx. 25 kg (without modules) |
| Operating Temperature | -40°C to +70°C |
| Warranty | 12 Months |
| Certifications | CE, UL, ETSI, RoHS |
- 4G / 5G mobile base stations and wireless access sites
- Telecom OLT and fiber optical access network equipment
- Edge data centers and IDC equipment rooms
- Microwave transmission and fixed communication systems
- Industrial control, automation, and critical DC power loads
- Outdoor communication cabinets and compact power systems
- Street cabinets, basements, and narrow-space installation scenarios
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 and brands.
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 to satisfy the diverse demands of telecom operators, system integrators, and equipment manufacturers.
We offer full-cycle cooperation support from product design and prototype testing to certification and mass production. With an efficient development process and strict quality management, we help you launch products quickly and build exclusive brand advantages.
We operate 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, equipment maintenance training, 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, new energy, and other fields. With rich global 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.
