1.1 Scope

This Part applies to Class CA and CB fuses rated 60 A or less and 600 V ac. DC ratings are optional.

• Cover
• Transmittal
• Table of Contents
• CSA Foreword
• UL Foreword
• Low-Voltage Fuses – Part 3: Class CA and CB Fuses
• 1 General
• 1.1 Scope
• 4 Classification
• 5 Characteristics
• 5.2 Voltage rating
• 5.3 Current rating
• 5.5 Interrupting rating
• 5.6 Peak let-through current and clearing It characteristics
• 7 Construction
• 7.1 Dimensions
• 8 Tests
• 8.2 Verification of temperature rise and current-carrying capacity
• 8.3 Verification of overload operation
• 8.4 Verification of operation at rated voltage
• 8.5 Verification of peak let-through current and clearing It characteristics