Name: HT SYS EA301750R48S03 DC Power System Embedded DC Power… – Embedded DC Power System
Brand: Beijing High-tech Dynamic Power Co.,Ltd
SKU: HT-SYS-EA301750R48S03

Introduction

It is a compact and intelligent power system. It can house up to 4*3KW rectifiers and 1*HT505 controller.
AC input and DC output are connected on the back, dry contact use front access and front operation.
With micro-compact design, easy installation.
Three levels Low Voltage Disconnect (LVD) protection.
Compatible with rectifiers of the same size.

Applications

Fiber optic network
Access network
Satellite communication ground station
Transmission equipment
Mobile communication
ESS
5G base station/Micro base station

Features

2U subrack, easily to be embedded into any standard 19" rack or 347mm deep rack.
Up to 12kW system capacity.
Up to 0.99 power factor.
Intelligent fan-cooling.
Rectifier modules hot-swap.
Advanced batteries monitoring and management.
ECO mode.
High power density.

Applicable Standards

Applicable Standards
Electrical	IEC 62368-1, EN 62368-1, UL 62368-1
EMC	EN 55032
Environmental	ETSI EN 300 019-2, ETSI EN 300 132-2, RoHS

HT SYS EA301750R48S03 — DC POWER SYSTEMS

Input
Input Voltage	85-300VAC (Nominal: 220VAC)
Input Current	≤19A (Per 3000w rectifier)
Frequency	45~66Hz
THDi	<5%@full load, <10%@half load, Rated input and output voltage

Output
Output Voltage	53.5V (43.2~58Vdc adjustable)
Output Current	≤224.3A@53.5V
Static Voltage Regulation	≤0.5%
Current Sharing	≤5%
Efficiency	≥96.3%
Ripple and Noise	≤200mV Peak-Peak
Psophometric Noise	≤2mV

Other Specifications
Operating Temperature	-40°C to +75°C (-40°F to +167°F)
Storage Temperature	-40°C to +85°C (-40°F to +185°F)
Humidity	Operation: ≤90% non-condensing; Storage: ≤95% non-condensing
Dimensions (mm)	482.6W (19") x 88.6H (2U) x 347D
Weight	≤10kg (without rectifier)

Options
Subrack Model	HT SYS EA301750R48S03
AC Input	Terminal blocks (Located on the rear PCB board)
Rectifier	4*HTP III 48-3000HE
DC Output	12kW Max.
DC Distribution	BLVD/Priority load (200A): Connect to the busbar of rear side. LLVD1/Non-Priority load (200A): Connect to the busbar of rear side. LLVD2/Non-Priority load (200A): Connect to the busbar of rear side.
Low Voltage Disconnect level	Three level of 200A Bi-stable contactors
Output Protection	Short-circuit protection, Overload protection

Monitoring
Function	Operation information acquirements, battery and system management, system alarm, communicate with control center related ports
Controller	HT505
Battery Mid-Point	4
Dry Contact	12
Digital Input	12
Interface	LCD
Temp Sensor	4