Copper contacts, stainless steel springs; polycarbonate body; fitted with automatic power interruption on the alternator if the battery isolator activates before turning off the engine. Specially suited for diesel engines which, due to large starters, require heavy amperage; CE" type-tested in compliance with 94/25/CE standards. Max. capacity - intermittent: 850 A. Max. capacity - in continuous: 380 A. Dimensions: 140 x 140 x 85 mm.