Non Fused Disconnect Switch Aic Rating

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.

Non fused disconnect switch aic rating.

Continuous rating on fused disconnect. Interrupting rating the highest current at rated voltage that a device is intended to interrupt under. Select a disconnect switch with the same or greater horsepower rating as the appliance. 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.

A fused disconnect will also help with certain downstream withstand ratings such as for some transfer switches etc. 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. The disconnect is a non fuse puller type and is ul listed with an enclosed pull out switch. So a 100a switch can carry 100a a 200a switch can carry 200a etc.

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. An appliance requiring a 30 amp double circuit breaker will need a disconnect rated to its horsepower and will accept two 30 amp fuses. Non fusible switches are generally rated for 100 continuous duty. Jraef electrical 18 nov 13 21 51.

All switches and breakers are rated or i should say tested for carrying 100 of their stated capacity. The disconnect switch must also have the correct fuse size. 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. Fused disconnect switches fuses and circuit breakers and related control devices such as pushbutton stations selector switches timers switches and control relays with associated wiring terminal blocks pilot lights and similar components.

Eaton s safety switches continue to be a preferred choice among electrical contractors and end users. A fused disconnect does almost nothing for downstream aic ratings unless it is part of a listed series rated combination.