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They are designed for bottom fitting/panel installation and are available in triple pole and quadruple pole units
Square Body High-Speed Fuse Protistor® Size 123 gR 660VDC IEC 800A With Striker Flush ends metric threads
MULTIBLOC® size 4a are designed for NH fuse-links in accordance with IEC/EN 60269-2
Specification Value Rated Voltage AC 125 V Ampere Rating 30 A Speed Characteristic Medium time-lag Fuse Size 6
cable terminals within the fuse base are fully shrouded when holder is removed (product is IP2X Classified)
A4BQ1900 C1003860 They are designed for bottomFuse A4BQ Class L Time Delay 600VAC 500VDC 1900A Blade Amp Trap 2000 Amp Trap 2000 A4BQ fuses are 20 percent more current limiting than any other Class L fuse on the market. When correctly coordinated, they bring a superior level of protection to service entrance equipment. Downstream circuit components have maximum protection against short circuit let thru current. A4BQ's built in 4 second time delay characteristic (at 500percent of rated current)
