Compact, Rugged 3U Design Provides Global Solutions for Wayside Signal and Communication Installation

Hopkinton, MA – Schaefer, Inc. announces the C 600 Series of DCDC and AC-DC converter modules. The highly-reliable, compact and ultra-rugged 3U design uses industrial-grade components and provides a high-density, space saving solutions for wayside signal and communication installations globally. These units are ideal for redundant systems with two units per 19” sub-rack.

The highly efficient C600 Series delivers up to 500W of power and offers DC input voltage range of 10-380VDC with seven input range choices. AC input options are single-phase 115VAC or 230VAC (with or without PFC) or three-phase inputs of 3x200VAC. These modules are single output and are available in 12 standard ranges from 5-400VDC. All outputs are adjustable and tightly regulated to 0.2% (load) and 0.1% (line). Featuring natural convection cooling and a standard operating temperature range of –20°C to +75°C (derate 2.5% / °C from +55°C), with an option for -40°C to +75°C.

Modules are housed in an industry-standard 3U form factor for insertion into 19” sub-racks or optional wall, chassis and DIN-Rail mounting are available. Schaefer can also provide 19” sub-racks wired to customer requirements to complete the installation.

All models have comprehensive protection circuitry including over-voltage protection, current limit protection on the output, and thermal shutdown with auto restart. Options include parallel/redundant operation, inhibit, Power-OK/DC-OK alarms, system reset signaling, active current sharing and programming/monitoring functions, etc. Battery charger modules are available (B 600 models). Mechanical and electrical modifications to standard modules are available upon request.

Mechanical and electrical modifications to standard modules are available upon request. In addition, Schaefer can design and manufacture fully custom solutions. For further information and pricing for the C/B 600 Series, please contact Schaefer, Inc., 45 South Street, Hopkinton, MA 01748. Tel: 508/435-6400 Fax: 508/435-6401 Email: