Square D I-line I-Limiter
Current-Limiting Circuit Breaker
Cat # FI26020BC
20 Amp
2 Pole (B&C Phases)
600 Volt
50/60Hz 
Interrupting Rating:
UL/CSA/NEMA:
   200kA @ 240 Volt AC
   200kA @ 480 Volt AC
   100kA @ 600 Volt AC
IEC 947-2
BS EN 60947-2
   1.5kA/6kA @ 415/240 Volt AC
New Surplus

(Loc: EE-1D4)