CBW57-PB-20A-WX
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28171580-CBW57-PB-20A-WX
CIR BRKR THRM 20A 250VAC 32VDC
The DC Voltage ratings are the AC voltage values times 1.41 (usually rounded).
Current rating is the maximum current that a fuse will carry for an indefinite period without too much deterioration of the fuse element.
There are three main types of circuit breakers: standard, AFCI circuit breakers and GFCI breakers.
IP (or "Ingress Protection") ratings are defined in international standard EN 6529 (British BS EN 6529:1992, European IEC 659:1989). They are?used to define levels of sealing effectiveness of electrical enclosures against intrusion from foreign bodies?(tools, dirt etc) and moisture.