Bussmann

Bussmann FNQ-R-2-1/2 CLASS CC TIME DELAY

CLASS CC TIME DELAY
  • MPN: FNQ-R-2-1/2
  • UPC: 051712147071
  • PPN: BUS-FNQ-R-2-1/2

Spec sheet

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CAD$20.47/ EA

Description

CLASS CC TIME DELAY

Features

  • The Bussmann FNQ-R-2-1/2 (2.5 Amp) is a Class CC Limitron™ fuse, engineered for high-performance "Branch Circuit" protection. It is a current-limiting device, meaning it reacts within milliseconds to "clamp" a short circuit before the energy can reach its full destructive peak. This is critical for meeting Canadian Electrical Code (CEC) requirements for protecting sensitive control transformers and automation components.
  • As a Class CC fuse, the FNQ-R-2-1/2 features a specialized physical rejection tip. This ensures it can only be installed in a dedicated Class CC fuse holder (like the Bussmann CHCC series), preventing the accidental installation of standard "midget" fuses that lack the high interrupting rating and current-limiting capabilities required by code.
  • Featuring Time-Delay characteristics, this 2.5-Amp fuse is specifically optimized to handle the massive momentary current surges (inrush) common when powering up control transformers. It provides a minimum 12-second delay at 200% of its rated current, allowing equipment to start without "nuisance blowing" while still offering rapid response to dangerous faults.
  • The FNQ-R-2-1/2 is fully rated for 600V AC and boasts a massive 200,000 Amp Interrupting Rating (AIR). This ultra-high fault capacity allows it to be used safely in virtually any industrial environment in Canada, ensuring the fuse will safely quench the arc even when connected directly to a high-energy service entrance.

Specifications

Voltage
600 Vac
Interrupting Rating
200 kA Vac RMS Sym
Dimensions
1.5 in length, 0.41 in diameter
Amperage2-1/2 A
Fuse TypeClass CC, time-delay
ComplianceUL Listed, CSA Certified, CE, RoHS Compliant

Downloads

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