I. Basic Specifications
Applicable Current Range
• 201–400 A
• Supported Fuse Types: Class H, J, R
Voltage Ratings
• AC: 250V / 600V
• DC: 250V
Number of Poles and Configuration
• Single-pole design
• For three-phase applications, combine 3 individual units
II. Electrical Performance
Short-Circuit Withstand Capability
• Maximum Short-Circuit Current: 200 kA RMS (when used with Class R fuses)
• Supported by Class H Fuses: 10 kA
• Supported by Class J Fuses: 100 kA
Thermal Current Rating
• Continuous Operating Current: 201–400 A
Insulation and Protection
• Insulation Voltage (Ui): 600V (UL/IEC)
• Protection Rating: IP00 (to be used with an enclosure)
III. Mechanical and Structural Features
Terminal Characteristics
• Terminal Type: Wedge-type clamps
• Wire Compatibility:
◦ Copper (Cu): #1/0–500 MCM
◦ Aluminum (Al): #1/0–500 MCM
• Torque Requirements:
◦ Wire Tightening Torque: 275 lb-in (31.07 N·m)
◦ Terminal Installation Torque: 175 lb-in (19.77 N·m)
Materials and Workmanship
• Fuse Clips: Tin-plated copper alloy
• Base Material: Phenolic or Porcelain
• Surface Finish: RoHS Compliant