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ESTEL (GUANGDONG) TECHNOLOGY CO., LTD.
ESTEL(GUANGDONG) TECHNOLOGY CO., LTD We are the professoinal supplier of outdoor telecom cabinet, air conditioner, heat exchanger, and telecom power system.
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Upgradable 18kw Telecom Modular Rectifier System with AC and DC Power Distribution

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Upgradable 18kw Telecom Modular Rectifier System with AC and DC Power Distribution

Brand Name : ESTEL

Certification : ISO9001, CE, 3C, FCC

Place of Origin : Shenzhen, China (Mainland)

MOQ : 1

Price : 987-2327 usd

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

Supply Ability : 2,500 sets per month

Delivery Time : 25-30 working days

Packaging Details : wooden case/carton

Rectifier Size : 482.5mm(W)*350mm(D)*222.5mm(H)

Input : Single-phase 220VAC

Installation mode : Installed on 19-inch rack

Output capacity : Maximum: 18kw (6*3kw, N+1 redundancy)

N+1 Redundancy : Supported

Upgradable : Supported

LLVD : 2*100A/1P+1*20A/1P

BLVD : 1*63A/1P+1*32A/1P+3*16A/1P

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Upgradable Telecom Modular Rectifier with N + 1 Redundancy for Telecommunication

Product Overview of 18kw Modular Rectifier System

The upgradable 18kW rectifier system is developed for carrier-grade reliability and high-density power delivery and to provide stable AC and DC power distribution for telecommunications central offices, medium-to-large data centers, and a range of harsh environments. The system accepts 220V AC single-phase input and provides a tightly regulated DC output adjustable between –43V and –58V, typically set at –53.5V.

The integrated DC distribution includes both low-voltage load disconnect (LLVD) and battery low-voltage disconnect (BLVD), allowing prioritized load shedding to safeguard critical battery reserves during power outages. An advanced system controller provides comprehensive monitoring and programmable logic through analog inputs (AI), digital inputs (DI), and digital outputs (DO). Remote management is supported via RS485 and SNMP interfaces, giving operators full visibility into alarms, performance metrics, and rectifier status. A front-panel LCD also enables convenient on-site configuration and diagnostics.

AC Distribution Section

  • Input: Single-phase 220VAC

  • Input breaker: 1 x 125A 2P

  • Input frequency: 45~65Hz (rated 50Hz/60Hz)

  • Output: 220VAC, 16A

  • SPD: 20/40kA, 8/20µs

DC Distribution SectionOutput voltage: -43~-58VDC (rated -53.5VDC)

  • Output capacity: Maximum 18kW (6 x 3kW modules, N+1 redundancy)

  • Battery breaker: 2 x 125A 1P

  • Load breakers:

  • LLVD: 2 x 100A/1P + 1 x 20A/1P

  • BLVD: 1 x 63A/1P + 1 x 32A/1P + 3 x 16A/1P

Basic Specification of 18kw Modular Rectifier System

Dimension 482.5mm(W)*350mm(D)*222.5mm(H)
Weight ≤21kg (without rectifiers)
Cooling mode Natural cooling
Installation mode Installed on 19-inch rack
Maintenance Front maintenance, module grade change supported
Protection grade IP20

Power Distribution of 5U Modular Rectifier System

AC Distribution

 Input single-phase 220VAC
Input breaker 1*125A 2P
Input frequency 45~65Hz, rated value: 50Hz/60Hz
Output 220VAC 16A
SPD 20/40KA, 8/20us

DC Distribution

 Output voltage -43~-58VDC, rated value: -53.5VDC
Output capacity

Maximum: 18kw

(6*3kw, N+1 redundancy)
Battery breaker 2*125A 1P circuit breaker
Load breaker

LLVD: 2*100A/1P+1*20A/1P

BLVD: 1*63A/1P+1*32A/1P+3*16A/1P

Rectifier Module of 18kw Modular Rectifier System

Input voltage 85VAC～300VAC, rated 220VAC
Efficiency >96%
Rated power 3000W(176~300VAC)
Working temperature -40℃~+75℃(fully output below 50℃)
Dimension 106.5mm(W)×286mm(D)×44.5mm(H)
Weight ≤2kg
Cooling mode Forced cooling
Power factor ≥0.99
THD ≤5%
DC output –43 ~ –58VDC, rated –53.5VDC, 55A maximum

Controller of 18kw Modular Rectifier System

Signal input 3 AI(2 btemp, 1 env-temp), 7 DI
Alarm output 6 DO
Communication interface RS485/SNMP
Display mode LCD screen

Environment of 18kw Modular Rectifier System

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.)

Upgradable 18kw Telecom Modular Rectifier System with AC and DC Power Distribution

Upgradable 18kw Telecom Modular Rectifier System with AC and DC Power DistributionUpgradable 18kw Telecom Modular Rectifier System with AC and DC Power Distribution


Product Tags:

modular telecom rectifier system

      

AC DC power distribution rectifier

      

upgradable telecom power system

      
Quality Upgradable 18kw Telecom Modular Rectifier System with AC and DC Power Distribution for sale

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