What box temperatures do low temperature refrigeration applications (excluding ice makers) typically provide?

In low temperature refrigeration applications, box temperatures are typically in the range of 0°F to -20°F. This temperature range is ideal for preserving perishable goods that require freezing or very cold storage to maintain their quality and safety.

When considering the options, the range of 0°F to -20°F allows for the effective storage of products such as meats, seafood, and certain pharmaceuticals, which need to be kept at temperatures well below standard refrigeration levels to prevent spoilage.

The other ranges either extend above the low end required for low temperature applications or fall into temperatures more typical for ice makers or regular refrigeration. For example, temperatures above 0°F, such as 0°F to 32°F, are generally associated with standard refrigeration applications, while the range of -40°F to 0°F is more extreme and typically not a standard endpoint for general low temperature refrigeration, though it might be used in specific industrial contexts.

Thus, the choice that best fits the common temperature range for low temperature refrigeration applications is indeed 0°F to -20°F.