1491-R169 Specification Parameters
Fuse Type
• Class R (compliant with HRCI-R standard)
Electrical Parameters
• Maximum Voltage:
◦ Alternating Current (AC): 600V
◦ Direct Current (DC): 250V
• Maximum Fuse Size: 30 A
• Maximum Prospective Short-Circuit Current: 200 kA (RMS symmetrical)
• Thermal Current Rating: 30 A
Mechanical and Structural Features
• Terminal Capacity:
◦ Wire Size: Supports #8 AWG (equivalent to 10 mm²)
• Protection Rating: IP00 (no protective enclosure; requires installation in a closed environment)
• Materials:
◦ Fuse Clips: Tin-plated copper alloy
◦ Terminals: Tin-plated copper alloy
◦ Base: Phenolic resin or ceramic material
Environmental Adaptability
• Operating Temperature Range:
◦ Open Installation: -20°C to +55°C (-4°F to +131°F)
◦ Enclosed Installation: -20°C to +40°C (-4°F to +104°F)
• Storage Temperature: -40°C to +65°C (-40°F to +149°F)
• Relative Humidity: Compliant with IEC 947-3 standard (90% @ 20°C, 50% @ 40°C)
• Altitude: ≤ 2000 m (compliant with IEC 947-5)