TCF40 BUSS CUBEFuse by BUSSMANN 40Amp - NEW old stock, some label light storage wear. Slightly larger width dimension on prongs than the newer design. See specification sheet for this design. To date, existing fuseholders accept this size.
Price is for 1 each

Dual-Element, Time-Delay
Current Limiting
600Vac 300kA I.R.; 300Vdc 100kA I.R.
The world's first finger safe industrial fuse system.
True dual-element fuse construction with a minimum of 10 seconds time-delay at 500% of rating.
Long time-delay minimizes nuisance circuit openings due to temporary overloads and transient surges.
Indicating feature.
Meets UL Class J Time-Delay electrical performance requirements.