Use with DC Power Supply and Battery Pack for UPS Applications

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  • Parallel connection to DC bus
  • Suitable for 24VDC systems up to 15A
  • Cooling by free air convection
  • Install on standard DIN Rail T35 per IEC 60715
  • 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
  • Sturdy DIN rail clip with hi-viz release lanyard
  • Made in USA

RLH 24VDC 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.


Powder coated steel

H 5.4in. x W 1.3in. x D 4.4 (H 137mm x W 33mm x D 112mm) (Housing only)
Not including DIN bracket

Mounting Style:
Standard DIN rail (T35)

Operating Temperature:
-40° to +70°C (-40°F to +158°F)

DC Input / DC Bus:
24 ~ 29V, 0 ~ 15A

Battery Output:
24 ~ 29VDC, 0 ~ 15A, 4 / 7 / 12 / 20Ah (typ.)

Relay Contact Rating (Max):
30VDC, 10A (max.)

24VDC UPS Battery Charge Controller Module

DC Bus Backup Connection for UPS

24VDC UPS Battery Charge Controller Module

UPS Block


Download the User Guide


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