GIGAVAC has announced new high efficiency coil options for its GX11 and GX12 contactors that can power switch high currents, both DC and AC up to 750 V. The new 12 V d.c. and 24 V d.c. high efficiency coil options require only 1,1 W, which according to GIGAVAC, is a fraction of the coil hold power of other contactors with these voltage ratings. These high current, completely sealed single pole, single throw, normally open universal contactors use GIGAVAC’s extended performance impervious ceramic (EPIC) sealing technology with two coils, not a pulse width modulation (PWM) economiser that is known to radiate noise and cause problems with the user’s coil power source.
Measuring only 57 x 60 x 115 mm, the GX11 and GX12 sealed contactors can be mounted in any direction practically anywhere. The contactors are UL 508 ambient compliant to 75°C at 150 and 225 A respectively, but can carry and switch 225/275 A at 50°C.
Stainless steel hardware and mounting inserts provide years of corrosion-free service. Single pole, double throw (SPDT) auxiliary contacts rated at 2 A are available as an option.
Hermetically sealed, the sealed contactors are designed to meet: UL 1604 for Class I and II, Div 2 and Class III for use in hazardous locations; IP67 for temporary water immersion for 30 minutes; SAE J1171-external ignition protection; and ISO 8846 for protection against ignition around flammable gasses.
The EPIC sealing technology reduces risk of fire or meltdown in over-current conditions.
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