Gigavac has announced new high-efficiency coil options for its GX11 and GX12 contactors that can switch high currents, both DC and AC up to 750 V. The new 12 V d.c. and 24 V d.c. coil options require only 1,1 W.
These high-current, completely sealed single pole, single throw, normally open universal contactors use Gigavac’ EPIC sealing technology (extended performance impervious ceramic) with two coils, instead of a PWM (pulse width modulation) economiser which, according to the company, is known to radiate noise and cause problems with users’ coil power source.
Measuring 57 mm in height, 60 mm in width and 115 mm in length, the GX11 and GX12 can be mounted in any direction. The GX11 and GX12 are UL 508 ambient compliant to 75°C at 150 A and 225 A respectively, but can carry and switch 225 A/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.
The GX11 and GX12 can operate in unforgiving environments without requiring any special protective packaging. Hermetically sealed, they are designed to meet UL 1604 for Class I & 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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