KLNR012 - 12Amp Fuse

KLNR012 - 12Amp Fuse

The KLNR012 is a 12A Class RK1 fast-acting current-limiting fuse designed for your electrical equipment that needs quick overload and short-circuit protection. Built around the KLNR Series' single-element silver-link design, this industrial cartridge fuse combines fast-acting operation with current-limiting performance that the manufacturer says helps reduce equipment damage caused by the heating and magnetic effects of short-circuit currents. For inductive loads such as motors, transformers, and solenoids, consider normal inrush current carefully because the manufacturer states these fuses may require substantial oversizing to prevent opening during harmless inrush events.

Key Features and Benefits

• 12A continuous current rating for circuits and equipment specifically designed around this fuse rating.
• The Class RK1 configuration gives you a clearly defined fuse class to match the equipment's protection requirements.
• Fast-acting (F) operation provides rapid response to overload and short-circuit conditions.
• A single-element silver-link design provides the fast-acting characteristics of the KLNR/KLSR Series.
• Current-limiting construction helps reduce equipment damage associated with the heating and magnetic effects of short-circuit currents.
• Manufacturer guidance identifies variable speed drives, rectifiers, and equipment containing surge-sensitive components as suitable applications for this fast-acting fuse family.
• Industrial cartridge construction is designed for use with the appropriate fuse block, clip, or holder.
• The non-indicating design means it has no built-in indicating feature.

Technical Specifications

• Catalog Number: KLNR012
  
• Manufacturer Description: FUS 250V F/A CLASS RK1 12A
  
• Series: KLNR
  
• Product Type: Fast-Acting Current-Limiting Fuse
  
• Continuous Current Rating: 12A
  
• Maximum AC Voltage: 250VAC
  
• Maximum DC Voltage: 125VDC
  
• AC Interrupting Rating: 200,000A at 250VAC
  
• DC Interrupting Rating: 20,000A at 125VDC
  
• Opening Characteristic: Fast-Acting (F)
  
• Fuse Class: Class RK1
  
• Family Style: Current Limiting
  
• Construction / Size: Industrial Cartridge
  
• Series Element Design: Single-Element, Silver Link
  
• Indicating: No
  
• Mounting Method: Fuse Block / Clip / Holder
  
• Specified PG Holder: LFR25030 Series
  

Material Compliance and Certifications

The supplied manufacturer information confirms that the KLNR012 is a Class RK1 current-limiting fuse and describes the KLNR/KLSR family in the context of the current-limiting capability of UL Class RK1 fuses. However, the information supplied for this exact catalog number does not provide an individual UL listing number for the KLNR012.

Where It Works Best

The KLNR012 12A fuse suits electrical equipment that requires a Class RK1 fast-acting current-limiting fuse with the corresponding voltage, interrupting, and physical requirements. Manufacturer guidance specifically points to variable speed drives, rectifiers, and other equipment containing surge-sensitive components, where fast-acting protection can be important.