• Time Delay Fuse
• Type Class RK1
• Characteristics 8 Sec Time Delay (at 500 Percent Rated Load), Dual Element, Non-Indicating
• Voltage Rating 600 VAC/300 VDC
• Current Rating 3-2/10 Ampere
• Interrupting Rating 300 Kiloampere (Symmetrical), 100 Kiloampere (DC)
• Terminal Type Ferrule with Grooved Ring
• Diameter 0.81 Inch
• Length 5 Inch
• Approval UL 248-12, CSA C22.2, CE
• Application Large Distribution Switchboards, Power Panelboards, Motor Control Centers, Machinery Disconnect Switches

Features / Benefits

• Fast Short-Circuit Protection and Dual-Element, Time-Delay Performance Provide Ultimate Protection
• Reduces Existing Fuse Inventory by up to 33 Percent When Upgrading to Low-Peak Fuses
• Consistent 2:1 Ampacity Ratios for All Low-Peak Fuses Make Selective Coordination Easy
• Time-Delay Permits 130 Percent FLA Sizing for Back-Up Motor Protection
• Current-Limitation Protects Downstream Components Against Damaging Thermal and Magnetic Effects of Short-Circuit Currents
• Protects Against Single-Phase Motor Damage
• Proper Sizing Can Provide "No Damage" Type 2 Coordinated Protection for NEMA and IEC Motor Controllers