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ESTEL (GUANGDONG) TECHNOLOGY CO., LTD.
ESTEL is a professional manufacturer and integrator for Telecom Power Systems, Outdoor Telecom Cabinets, Cabinet Cooling Solutions, Smart Power Distribution Units, and Surge Protective Devices.
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48V90A 94% Compac DC Smart Power Supply Solution for Telecommunication Infrastructure

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48V90A 94% Compac DC Smart Power Supply Solution for Telecommunication Infrastructure

Brand Name : ESTEL

Certification : ISO9001, CE, 3C, FCC

Place of Origin : Shenzhen, China (Mainland)

MOQ : 1

Price : 735-2864 usd

Payment Terms : L/C, D/A, D/P, T/T, Western Union

Supply Ability : 3,000 sets per month

Delivery Time : 25-30 working days

Packaging Details : wooden case/carton

Size : 482mm*350mm*2U(W*D*H)

Weight : ≤11kg (without rectifiers)

Input Voltage : 220VAC single-phase

Output Voltage : -48VDC (-42 to -58VDC)

Output Current : 90A(max)

Module Efficiency : ＞94%

Application : Telecommunication, data center

Installation : 19-inch rack mount

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48V90A 94% Compac DC Smart Power Supply Solution for Telecommunication Data Center

Product Overview of DC48V 90A Power System

The ET series rectifier is a DC48V 90A power system operating at 48V, engineered to ensure reliable power distribution for telecommunications infrastructure, data centers, and industrial applications where uninterrupted operation is critical. It operates from a 220V AC single-phase input and delivers a tightly regulated DC output ranging from –43V DC to –58V DC, with a nominal value of –53.5V DC. Achieving over 94% conversion efficiency even under full load, this system is ideal for energy-efficient, high-density installations.

Designed for Continuous Operation with Modular Flexibility
Engineered with redundancy in mind, the system supports up to three hot-swappable 1740W rectifier modules in an N+1 configuration. Each module weighs under 1.5 kg and utilizes forced-air cooling for consistent thermal management. With advanced power factor correction (≥0.99) and low total harmonic distortion (THDi ≤5%), it ensures clean output power while minimizing stress on upstream equipment. The unit is housed in a 2U, 19-inch rack-mountable chassis rated IP20, enabling front-access maintenance and convenient top-side cable routing.

Specification of DC48V 90A Rectifier System

Type Telecom DC48V Power Distribution Unit
General Size 482mm*350mm*2U(Width*Depth*Height)
Weight ≤11kg (rectifiers excluded)
Cooling method Natural cooling
Installation method 19-inch rack-mounted
Cabling mode Inlet and outlet from the top
Maintenance mode From front side, support module grade change
Protection grade IP20
AC Input

Voltage

 Single-phase 220VAC
MCB 1 x 40A 2P
Frequency 45Hz to 65Hz, rated value: 50Hz/60Hz
DC
Distribution		 Output voltage -43~-58VDC, rated value: -53.5VDC

Output Current(max)

 90A

Battery breaker

 1 x 63A 1P
BLVD

2*10A/1P+2*16A/1P+2*20A/1P+1*40A/1P
Rectifier Module Input voltage 85VAC～300VAC, rated 220VAC
Efficiency >94%
Rated power 1740W(176~300VAC)
Working temperature -40℃~+75℃(fully output below 50℃)
Dimension 106.5mm(W)×286mm(D)×41.5mm(1U/H)
Weight ≤kg
Cooling mode Forced cooling
Power factor ≥0.99
THD ≤5%
DC output –43 ~ –58VDC, rated –53.5VDC, maximum 55A
Controller Signal input port 2 x AI(2 ambient temp) , 8 x DI
Alarm output port 2 x dry contact
Communication port RS485, SNMP
LCD Display Supported
Environment Operating
temperature		 -40℃ ~ +65℃ (full output below 50℃)
Storage temperature -40℃~+70℃
Operating humidity 5%~95%(non-condensing)
Altitude 0~3000m(If the altitude is within the range of 2000m to 3000m, the maximum operating
temperature decreases by 1℃ as the altitude increases by 200m.)


Front View of DC48V 90A Rectifier System

48V90A 94% Compac DC Smart Power Supply Solution for Telecommunication Infrastructure

48V90A 94% Compac DC Smart Power Supply Solution for Telecommunication Infrastructure

Front View of DC48V 90A Rectifier System

48V90A 94% Compac DC Smart Power Supply Solution for Telecommunication Infrastructure

Rectifier Module of DC48V 90A Power System

48V90A 94% Compac DC Smart Power Supply Solution for Telecommunication Infrastructure


Product Tags:

48V90A telecom power supply

      

94% efficient DC power solution

      

compact telecom infrastructure power system

      
China 48V90A 94% Compac DC Smart Power Supply Solution for Telecommunication Infrastructure wholesale

48V90A 94% Compac DC Smart Power Supply Solution for Telecommunication Infrastructure Images

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