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Safety Guidelines and Warranties/Metric Conversions

Safety Guidelines and Warranties/Metric Conversions

Application Considerations

Selection of Equipment—Because of the variety of uses for the products described in this catalog, those responsible for the application and use of this control equipment must satisfy themselves that all necessary steps have been taken to assure each application and use meets all performance and safety requirements, including any applicable laws, regulations, codes and standards.

The illustrations, charts and layout examples shown in this catalog are intended solely for purposes of example. Because there are many variables and requirements associated with any particular installation, Rockwell Automation does not assume responsibility or liability (to include intellectual property liability) for actual use based upon the examples shown in this publication.

Rockwell Automation Publication SGI-1.1, "Safety Guidelines for the Application, Installation and Maintenance of Solid-state Control" (available from your local Rockwell Automation Sales Office) describes some important differences between solid-state equipment and electromechanical devices which should be taken into consideration when applying products such as those described in this catalog.

Service and Installation Conditions—Unless otherwise noted, the products described in this catalog are designed to meet "usual service and installation conditions" as defined in NEMA (National Electrical Manufacturers Association) Standards Publication–Part ICS 1-108. Open style devices must be provided with environmental protection by proper mounting in enclosures designed for specific application conditions.

See IEC Enclosures and NEMA Enclosures of this section for information on enclosures and an explanation of the degrees of protection provided by the different types, based on NEMA Standards Publication 250 and IEC Publication 529, as applicable.

Performance Data—Performance data given in this catalog is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of accelerated testing at elevated stress levels, and the user should correlate it to actual application requirements. Actual performance is subject to Rockwell Automation WARRANTY and LIMIT OF LIABILITY (see Terms and Conditions of Sale).


Metric Conversions

Metric Conversion Factors
From To Multiply by
Length
Inches (in) Millimeters (mm) 25.4
Inches (in) Centimeters (cm) 25.4
Feet (ft) Meters (m) 0.305
Yards (yd) Meters (m) 0.914
Millimeters (mm) Inches (in) 0.0394
Centimeters (cm) Inches (in) 0.394
Meters (m) Feet (ft) 3.28
Meters (m) Yards (yd) 1.09
Area
Square inches (in2) Square millimeters (mm2) 645.0
Square inches (in2) Square centimeters (cm2) 6.45
Square feet (ft2) Square meters (m2) 0.0929
Square yards (yd2) Square meters (m2) 0.836
Square millimeters (mm2) Square inches (in2) 0.00155
Square centimeters (cm2) Square inches (in2) 0.155
Square meters (m2) Square feet (ft2) 10.8
Square meters (m2) Square yards (yd2)
1.20
Weight
Ounces (oz) Grams (g) 28.3
Pounds (lb) Kilograms (kg) 0.454
Grams (g) Ounces (oz) 0.0353
Kilograms (kg) Pounds (lb) 2.20
Volume
Cubic inches (in3) Cubic centimeters (cm3) 16.4
Cubic feet (ft3) Cubic meters (m3) 0.0283
Cubic inches (in3) Litres (L) 0.0164
Cubic feet (ft3) Litres (L) 28.3
Gallons (Imp) Litres (L) 4.55
Gallons (US) Litres (L) 3.79
Cubic centimeters (cm3) Cubic inches (in3) 0.061
Cubic meters (m3) Cubic feet (ft3) 35.3
Liters (L) Cubic inches (in3) 61.0
Liters (L) Cubic feet (ft3) 0.0353
Liters (L) Gallons (Imp) 0.220
Liters (L) Gallons (US) 0.264
Pressure
Pounds/square inch (psi) Kilopascals (kPa) 6.89
Pounds/square inch (psi) Bars (Bar) 0.0689
Kilopascals (kPa) Pounds/square inch (psi) 0.145
Bars (Bar) Pounds/square inch (psi)
14.5
Torque
Pound inch (lb in) Newton meters (Nm) 0.113
Newton meters (Nm) Pound inch (lb in) 8.85
Temperature
Degrees Fahrenheit (°F) Degrees Celsius (°C) Conversion Formula: 5/9 (°F – 32°F) = °C
Degrees Celsius (°C) Degrees Fahrenheit (°F) Conversion Formula: 9/5 (°C) + 32°F = °F