50 Amp IDSR Indicating Fuse

Price

Item Number: 28954

Package Weight: 3.4 lbs

Amperage

PINPOINTS OPEN FUSES IMMEDIATELY - gives instant visual indication of any down circuit.
NO COSTLY DOWNTIME- What could be 20 minutes or more of troubleshooting is now reduced to simply spotting the darkened window on the fuse.
EXCELLENT FOR CIRCUITS WITH HIGH IN-RUSH CURRENTS- motors, transformers, solenoids, fluorescent lighting - ideal for high efficiency motors which can cause other time delay fuses to open needlessly.
INCREASED SAFETY- eliminates hazards of poking around an energized panel to find an open circuit.
300,000 AMP AC INTERRUPTING- to meet the future needs of increased available currents.
CURRENT LIMITING- Reduces damage caused by heating and magnetic effects of short-circuit currents.
SOLID STATE DUAL-ELEMENT TIME DELAY- 10 seconds minimum time delay at 500% of amperage rating eliminates unnecessary downtime caused by power surges or equipment demands. Fast acting short circuit protection can clear the circuit in .008 seconds or less.
USES LESS ENERGY AND RUNS COOLER- low resistance construction reduces power loss, lowering energy costs. Cooler running fuses give longer switch and component life.
Ideal Upgrade for Systems using FLS-R Class RK5 Fuses.
Voltage Rating - 600 Volts AC / DC
Interrupting Ratings:
AC: 200,000 rms symmetrical amperes; 300,000 Amps self-certified by Littlefuse
DC: 20,000 Amperes
Approvals:
AC: UL listed Class RK5 fuse; CSA HRC1-R
DC: 600 Volt MSHA Approved; UL 198M