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GENERAL OPERATING SAFETY PRECAUTIONS:
RATINGS:
Model
SDU 10-24B
SDU 20-24B
Nominal Input Voltage /Current
24Vdc, 12A
24Vdc, 22A
Nominal Output Voltage/
Current/Power
24Vdc, 10A, 240W
24Vdc, 20A, 480W
Contact Relay
50Vdc, 0.2A
50Vdc, 0.2A
Ambient
Ordinary Location: -15C to +50C
Ordinary Location: -15C to +50C
The following documents contain important safety instructions that must be followed during the installation
and operation of the DC UPS. Follow all warnings mentioned in the documents.
Document
Part No./ Rev/ Year
Safety Instruction Sheet – SDU 10-24B, SDU 20-24B DC Uninterruptible
Power Supplies
A272-367 Rev.0 8/2021
Safety Instruction Sheet – SDU 24-BATB DC Uninterruptible Power Supply
Battery Module
A272-368 Rev.0 8/2021
Safety Instruction Sheet – SDU-BATEM DC Uninterruptible Power Supply
Battery Module
A272-369 Rev.0 8/2021
Introduction
Congratulations on your choice of the SDU DC B Series Uninterruptible Power System (UPS). The SDU DC is
an advanced 24 Vdc UPS that combines an industry leading design, unique installation options, and a wide
operational temperature range (see “Specifications”).
The SDU DC is a powerful microprocessor-controlled UPS which provides protection from power interruptions
and is the ideal power backup solution for your critically connected loads.
Preinstallation
Receiving
Inspect the UPS upon receipt. Damage that may have occurred in transit is not covered under the warranty. If
shipping damage is present, contact your local carrier and SolaHD distributor immediately.
What’s Included
•
SDU 10-24B or SDU 20-24B
•
Safety Instruction Sheet
•
Remote On/Off Bypass Jumper
