JJN (300 V) and JJS (600 V) Class T Limitron fast-acting fuses

Very fast-acting, current-limiting 300 V (JJN) and 600 V (JJS) Class T fuse

Ratings 

• Volts 

• JJN − 300 Vac (or less) − 160 Vdc (15-600 A) − 170 Vdc (601-1200 A) 

• JJS 600 Vac (or less) 

• Amps 

• JJN 1-1200 A 

• JJS 1-800 A 

• IR 

• 200 kA RMS Sym. 

• 20 kA DC @ 160 Vdc (JJN) 

• 100 kA DC @ 170 Vdc (JJN)

Typical applications 

• Large apartment complexes 

• Multi-family meter stacks 

• VFD line protection