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GSCR Series Float Battery Chargers 12 and 48 volt Three-Phase
Cat. No. GMB-GSCR

GNB Industrial Power GSCR Series of industrial float chargers is designed to automatically control charging rates for a wide variety of battery types and to simultaneously provide full-rated output
for both continuous and intermittent dc loads.

The chargers are constant voltage devices with automatic current limiting. Voltage regulation and current limiting are controlled by solid-state integrated circuitry to assure maximum performance in minimum space.

The GSCR Series is ideally suited to utility, communications and other stationary charger applications.

DESIGN FEATURES
Component Selection
Electronic and electrical components are substantially derated to assure long life and reliability. Typical MTBF is100,000 hours minimum. Components are selected or designed to provide a system life expectancy in excess of 30 years.

Modular Construction
Control circuits, alarm circuits and electrical sub-assemblies are printed circuit board wired or modularized with plug and socket connections for easy serviceability.

Standard Sub-assemblies
Control modules and many electrical sub-assemblies are standardized across the entire range of charger sizes. This minimizes spare parts inventory and simplifies maintenance.

Durable
Front panels are recessed to prevent accidental damage to meters and controls. Standard cabinets are NEMA-1 enclosures of heavy-gauge phosphatized steel with an attractive, long-lasting acrylic enamel finish.

Easy Troubleshooting
A complete service manual, color-coded wiring, test-point identification and circuit-symbol labeling of internal components make troubleshooting easy.

Ease of Adjustment
Tap adjustments are not required. Output float voltage, equalize voltage, current limit and alarm levels are potentiometer adjustable.

Ease of Access
Internal components and connections are easily accessible and/or removable through a hinged front door that opens approximately 180 degrees for easy serviceability.

Ease of Installation
Cabinets are floor, wall or rack mountable and equipped with knockouts for cable or conduit entrance. Input, output and remote alarm connections are wired to easily accessible, internal terminal blocks.

ELECTRICAL SPECIFICATIONS

AC Input
Standard transformers are available with taps for nominal voltages as listed below.

Single-Phase Voltages:
120/220 240V 47 63Hz
480V 57 63Hz
120/208 240V 47 63Hz(optional)

Three-Phase Voltages:
208 240V 57 63Hz
380 416V 47 63Hz

GSCR-012-T-060 12V, 60A, 3 Ph.
GSCR-012-T-075 12V, 75A, 3 Ph.
GSCR-012-T-100 12V, 100A, 3 Ph.
GSCR-024-T-050 24V, 50A, 3 Ph.
GSCR-024-T-060 24V, 60A, 3 Ph.
GSCR-024-T-075 24V, 75A, 3 Ph.
GSCR-024-T-100 24V, 100A, 3 Ph.
GSCR-024-T-125 24V, 125A, 3 Ph.
GSCR-024-T-150 24V, 150A, 3 Ph.
GSCR-024-T-175 24V, 175A, 3 Ph.
GSCR-024-T-200 24V, 200A, 3 Ph.
GSCR-024-T-250 24V, 250A, 3 Ph.
GSCR-024-T-300 24V, 300A, 3 Ph.
GSCR-024-T-400 24V, 400A, 3 Ph.
GSCR-024-T-500 24V, 500A, 3 Ph.
GSCR-024-T-600 24V, 600A, 3 Ph.
GSCR-048-T-050 48V, 50A, 3 Ph.
GSCR-048-T-060 48V, 60A, 3 Ph.
GSCR-048-T-075 48V, 75A, 3 Ph.
GSCR-048-T-100 48V, 100A, 3 Ph.
GSCR-048-T-125 48V, 125A, 3 Ph.
GSCR-048-T-150 48V, 150A, 3 Ph.
GSCR-048-T-175 48V, 175A, 3 Ph.
GSCR-048-T-200 48V, 200A, 3 Ph.
GSCR-048-T-250 48V, 250A, 3 Ph.
GSCR-048-T-300 48V, 300A, 3 Ph.
GSCR-048-T-400 48V, 400A, 3 Ph.
GSCR-048-T-500 48V, 500A, 3 Ph.
GSCR-048-T-600 48V, 600A, 3 Ph.



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