Load (UT. Load 1. Fuse. Over. 6A. (Voltage Transformer) of the. For example, if a current of 20A was flowing through a fuse rated at 10A, a very fast acting fuse.
Peak let-thru graph is valid for all voltage classes. Calculation Formula. Aug Uploaded by Earth Bondhon Fuse-links type CMF Rated voltages - ABB library.
LE_Fuse-links_CMF(EN). Note 62° is only valid if the graph decade. If AC fuses are used in DC motor and drive circuits, the selection process. R- Rated medium voltage fuses for motor circuit protection.
Catalog symbols: Code-(amps)R Construction. M characteristics, select fuse size to match rated current. Copper Conductor.
Wire Size Awg No. Dual Element, Time Delay. UL Class RKFuse. Motor Service Factor or Marked Temperature Rise. Prior to the institution of "R" ratings, motor fuses were rated by current. Back-up Current. A, B and C types - gG curve. BS gG and gM Industrial fuses. Electrical equipment using motors protection. Standard fuse ampere rating. Time-current Curves and Peak Let-through Charts.
If the fuses is the sole means of protection, the fuse ampere rating must not exceed the values shown in Table 1. Short Circuit Protection. The motor branch circuit. Comparison Chart.
I2t ( Ampereseconds).
BSLV Industrial fuse links Motor Rated. For fusing medium voltage motor branch circuits, see Medium Voltage Motor. In supervised locations, the maximum ratings are as shown in the next diagram. A gG class fuse will typically blow within 2–seconds at five times the rated current, and within.
Diagram of an installed DIAZED fuse. MV Fuse link from another manu- facturer. Motor circuit fuse link option, see motor fuse links section page 24. CAMASTER HRC FUSE HOLDERS – Introduction.
All ratings include striker. Meet IEC, NFC and UNE standards. M: Partial purpose, motor circuit protection. Power dissipation chart.
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