Isolation Creepage & Clearance Calculator

Creepage Distance

Inputs

Working Voltage — V_IOWM

RMS voltage across the insulation | 10 – 63,000 V

V RMS

Pollution Degree

Insulation Type

Component Material Group

Results

Basic Creepage —

Insulation Multiplier 1× (Basic)

Required Creepage —

Clearance Distance

Inputs

V_IMP Source

Nominal System Voltage (Line-to-Neutral)

Range: 50 – 1,500 V

V

Overvoltage Category

Custom V_IMP

Range: 330 – 100,000 V

V

Insulation Type

Pollution Degree

Electric Field Condition

Operating Altitude

IEC reference = 2,000 m | Range: 0 – 20,000 m

m

Results

V_IMP Used —

Base Clearance at 2,000 m —

Altitude Factor k_d —

Reinforced Multiplier —

Required Clearance —