Non Fused Disconnect Switch Aic Rating
The 60 amp 240 volt non fuse metallic ac disconnect the 60 amp 240 volt non fuse metallic ac disconnect is designed to stop the power going to an air conditioning unit to allow for safe working conditions.
Non fused disconnect switch aic rating. An appliance requiring a 30 amp double circuit breaker will need a disconnect rated to its horsepower and will accept two 30 amp fuses. A fused disconnect does almost nothing for downstream aic ratings unless it is part of a listed series rated combination. A full line of general duty heavy duty double throw and hazardous area devices is expanded with a series of innovative new products for a vast variety of applications. Continuous rating on fused disconnect.
A fused disconnect will also help with certain downstream withstand ratings such as for some transfer switches etc. Bulk packed 3 pole 600v switches ul general purpose amp rating iec ac21 amp rating bulk pack quantity catalog number list price ul508 16 25 40 60 80 16 25 40 63 80 50 50 50 50 50 ot16f3 b ot25f3 b ot40f3 b ot63f3 b ot80f3 b consult factory. Non fusible safety switch aic ratings when protected by a circuit breaker breaker frame non fused switch ul listed short circuit current rating neg ngb ed4 30 dt 240v 18 ka thru 240 vac neb neg ngg ngb ed4 100a gd dt 240v 18 ka thru 240 vac neb neg ngg ngb ed4 30 100a hd dt 600v 18 ka thru 480 vac. Eaton s safety switches continue to be a preferred choice among electrical contractors and end users.
So a 100a switch can carry 100a a 200a switch can carry 200a etc. The disconnect switch must also have the correct fuse size. Non fused hp rated disconnect switches at motors are mostly rated 10 000 amps at 480 volts. Non fusible switches are generally rated for 100 continuous duty.
Interrupting rating the highest current at rated voltage that a device is intended to interrupt under. Notice i say withstand ratings and not aic ratings for the switch and downstream equipment. Assume there is not an interlock micro switch back to the contactor to make sure that the contactor is dropped out when the switch is open there is a slim chance the hp rated switch can be closed into a fault if the contactor is picked up. All switches and breakers are rated or i should say tested for carrying 100 of their stated capacity.
Non fusible disconnect switches 16a 3150a 600v. Jraef electrical 18 nov 13 21 51.