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Speclore

Schaltung Schutzschalter und Sicherung Dimensionierung

Circuit breaker selection, short circuit current, und protective device coordination.

circuitbreakersizingRechner

Overview

Engineering reference data for Circuit Breaker and Fuse Sizing in electrical engineering.

Key Formulas

Ohm's Law

V=IRV = IR

Voltage = Current × Resistance.

Power

P=VI=I2R=V2/RP = VI = I^2R = V^2/R

Electrical power.

Energy

E=PtE = Pt

Energy = Power × Time.

Variables

Symbol Description Unit
VV Voltage V
II Current A
RR Resistance Ω
PP Power W

References