I. Basic Information
• Product Model: 1491-N433
• Type: Power Fuse Block
• Manufacturer: Allen-Bradley®
• Applicable Fuse Class: Class H
• Number of Poles: 3-Pole
• Fuse Size Range: 101–200 A
• Voltage Range: 250–600V AC/DC
II. Electrical Parameters
Item Parameter Value
Maximum AC Voltage 600V AC
Maximum DC Voltage 250V DC
Thermal Current Rating 101–200 A
Maximum Short-Circuit Fault Current 10 kA (RMS symmetrical)
Fuse Compatibility Class H fuses (e.g., Bussmann KTK-R, etc.)
Terminal Capacity 10 mm² (#8 AWG)
III. Mechanical and Structural Features
Ingress Protection Rating: IP00 (no protective enclosure; requires installation in an enclosed environment).
Terminal Types:
• Tin-plated copper alloy fuse clips.
• Tin-plated copper alloy connection terminals.
Base Material: Phenolic resin or ceramic.
Installation Method: Panel mounting (requires the use of a rail or fixed bracket).