Use with DC Power Supply and Battery Pack for UPS Applications

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Features
  • Parallel connection to DC bus
  • Suitable for 48VDC systems up to 30A
  • Cooling by free air convection
  • Can be installed on DIN rail TS-35/7.5 or 15
  • Built-in battery test function
  • Battery polarity protection
  • Relay contact signal output and LED indicators for DC Bus OK, Battery Fail and Battery Discharge
  • Convenient screw down terminals
  • 6 inch DIN rail is included
  • Made in USA
Overview

RLH 48VDC DIN rail mount charge controllers are compact units designed to work with a DC power supply (such as the RLH DIN rail power supplies) and a backup battery to provide uninterruptible power in the event of a power outage.

The charge controller continuously maintains the correct charge level on the battery and ensures a seamless power transition to battery power when needed for a complete UPS power supply solution.

Specifications

Construction:
Powder coated steel


Dimensions:
H 4.9 x W 2.2 x D 3.9 (H 125.2mm x W 55.5mm x D 100mm)
Not including DIN bracket


Mounting Style:
Standard DIN rail (TS-35/7.5 0r 15) or wall mount. DIN rail section included.


Operating Temperature:
-20° to +70°C (-4°F to +158°F)


DC Input / DC Bus:
48 ~ 55V, 30A


Battery Output:
2A (Typ), 4.5/7AH Battery, 48V


Relay Contact Rating (Max):
30VDC, 1A (max.)

Diagrams
48VDC UPS Battery Charge Controller Module

DC Bus Backup Connection for UPS

48VDC UPS Battery Charge Controller Module

UPS Block

Downloads

Download the User Guide

Ordering

Please submit a quote request or contact your RLH sales representative for pricing and delivery information.

Numbers

RLH-UPS-48-30-01