W-F-1814-59 Fuse, Cartridge, High Interrupting Capacity, Classes Rk1 And Rk5 Current-Limiting 250 Volts, 101-200 Amperes

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W-F-1814/590

at the zero of the voltage wave (maximum offset) or later, to produce start of arcing within 30 electrical degrees prior to system peak voltage.

Threshold ratio:  30 maximum for RK1; 65 maximum for RK5. Peak let-thru current:  See table II.

Maximum clearing I2T:  See table II.

Applicable fuseholder:  Class R for blade type fuses in accordance with UL 4248-12.

Part or Identifying Number (PIN):  The Government PIN shall consist of the prefix "WF1814/59-" followed by the PIN designation shown in table I.

TABLE I.  Current rating and PIN designation.

TABLE II.  Peak let-thru and I2T current.

Referenced documents.  In addition to W-F-1814, this document references the following:

UL 4248-12

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