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Simplified Guide To

Understanding

Short-Circuit Current Rating

F I N D   I T, F I X   I T, F O R G E T   I T

Содержание Electronics Short-Circuit Current Rating

Страница 1: ...Simplified Guide To Understanding Short Circuit Current Rating F I N D I T F I X I T F O R G E T I T ...

Страница 2: ... How Is SCCR Determined For meter disconnect switches and motor controllers this withstand level or SCCR is often determined by product testing For assemblies the marking can be determined through product listing or by an approved method With the release of the UL508A Industrial Control Panel standard an industry method is now available Any method used whether UL508A or another approved method sho...

Страница 3: ...d e d C a s e S w i t c h U L 9 8 F u s i b l e D i s c o n n e c t S w i t c h e s U L 4 8 9 C i r c u i t B r e a k e r s B r a n c h C i r c u i t F u s e s U L 9 8 N o n F u s i b l e D i s c o n n e c t S w i t c h e s P o w e r D i s t r i b u t i o n B l o c k s F u s e H o l d e r U L 9 8 F u s i b l e D i s c o n n e c t S w i t c h e s U L 4 8 9 C i r c u i t B r e a k e r s U L 9 8 F u ...

Страница 4: ...h associated wiring terminal blocks pilot lights and similar components Interrupting Rating The highest current at rated voltage that a device is intended to interrupt under standard test conditions Short Circuit Current Rating The prospective symmetrical fault current at a nominal voltage to which an apparatus or system is able to be connected without sustaining damage exceeding the defined accep...

Страница 5: ...mbly short circuit current rating they can also provide enhancements to your design in the areas of flexibility of installation increased workplace safety and reliable protection through the life of your equipment These enhancements take care of the hassle associated with equipment with limited ratings so you can FORGET IT Benefits of Using Cooper Bussmann Current Limiting Fuses Straight Voltage R...

Страница 6: ... or will call Customers pay only standard price for the circuit protection device rush freight charges and a modest emergency fee for this service Emergency and after hours orders should be placed through the Customer Satisfaction Team Call 8 00 a m 4 30 p m Central Time 636 527 3877 After hours 314 995 1342 Application Engineering Application Engineering assistance is available to all customers T...

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