VoltCatalog

VoltCatalog is a local catalog of common low-voltage devices used on circuits at or below 1000 V AC or 1500 V DC. It covers circuit breakers, fuses, contactors, relays, push buttons, and indicator lamps. Each entry lists the device function, selection points, a sample plate, and typical uses. Other pages cover pole counts, trip curves B, C, and D, a side-by-side view of two entries, and a voltage and current check. Decimal values are rounded half-up to the nearest volt or milliampere. The text is a simplified reference based on common device roles. Confirm the plate on the device, and leave site work to a qualified person.