NCLR30 - 30Amp Fuse

NCLR30 - 30Amp Fuse

The NCLR30 is a 30-amp, 600 VAC Class R fuse made for applications that require time-delay operation and current-limiting protection. With a 200 kA interrupting rating at 600 VAC, it can be used in compatible electrical systems where high available fault current is a consideration. One useful feature of the NCLR30 is its time-delay design. Instead of reacting immediately to every brief rise in current, it can accommodate appropriate short-duration inrush conditions, such as those that may occur when compatible equipment starts up. It's a cartridge-style, non-indicating fuse, so it has no visual indicator to show when the fuse has opened. At approximately 2 inches long and 0.56 inches wide, it's also a fairly compact component. If you're replacing an existing NCLR30, the important things to check are straightforward: 30 amps, 600 VAC, Class R, time-delay operation, physical size, and the required interrupting rating.

Key Features and Benefits

• 30 amp capacity for applications requiring a 30A fuse
• Rated for electrical systems up to 600 VAC, when properly matched to the application
• 200 kA interrupting rating at 600 VAC
• Time-delay operation helps handle appropriate temporary inrush currents.
• Current-limiting Class R design provides overcurrent protection for compatible equipment.
• Compact cartridge-style construction
• Non-indicating configuration
• Measures approximately 2.0" × 0.56" × 0.56"

Technical Specifications

• Part Number: NCLR30
  
• Type: NCLR
  
• Amperage: 30 A
  
• Voltage: 600 VAC
  
• A.I.C. Rating: 200 kA @ 600 VAC
  
• Fuse Class: Class R
  
• Operation: Time-Delay
  
• Current Limiting: Yes
  
• Style: Cartridge
  
• Indicator: Non-Indicating
  
• Dimensions:
  • Height: 2.0 in.
  • Width: 0.56 in.
  • Depth: 0.56 in.

Material Compliance and Certifications

Specific agency certifications and material-compliance information were not included with the supplied NCLR30 specifications. Because those details can matter for certain installations, confirm any required certifications or compliance standards against the applicable manufacturer documentation before using the fuse.

Where It Works Best

The NCLR30 fuse is intended for compatible applications that call for a 30 amp, 600 VAC, Class R time-delay fuse with current-limiting characteristics. It can be a useful fit where equipment experiences brief, normal inrush current but still requires appropriate overcurrent protection. Also consider the 200 kA interrupting rating when matching a fuse to the electrical system.

For replacement work, don't rely on amperage alone. Before installation, check the fuse class, voltage rating, interrupting rating, time-delay characteristics, and dimensions against the equipment specifications.