CHR Series

CHR Series from Calex, 300W isolated dc-dc converter.
Rugged 300W isolated dc-dc converter with ultra-wide 10:1 input range and railway compliance, ideal for transportation and industrial systems.

Access detailed specifications, performance data, and technical drawings for the CHR Series in our comprehensive datasheet. 

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APPLICATION

The CHR Series dc-dc converters deliver 300W of fully regulated isolated output power with a single 10:1 input range from 16.8-160V dc. Designed for railway and harsh industrial environments, they feature reinforced 4250V dc isolation, high efficiency up to 92%, and constant current output capability. The CHR Series offers programmable undervoltage lockout, remote on/off, output trim, and optional hold-up and ORing FET redundancy. With conduction-cooled chassis mounting and full EN50155, EN45545, and UL62368-1 approvals, they ensure safe, reliable power delivery in critical systems.

FEATURES

Input Range 16.8-160V dc
Output Range 12V-54V
Power 300W
Form Factor Chassis mount
Cooling Method Baseplate conduction
Certifications EN50155, EN45545, UL62368-1

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