The Fluke i400 is a single range 400 A ac current clamp with current output via safety shrouded banana plugs. The clamp is compatible with most Fluke multimeters or any other current measurement device that accepts 4mm-shrouded banana plugs and has an AC milliamp range.The division ratio is 1000:1.Fluke i400 features:Companion to your DMM to measure up to 400 A AC1mA/Amp output guarantees easy reading on you meterOnly current clamp available with a CAT IV 600 V / CAT III 1000 V safety ratingSpecially designed to offer maximum utility in a very compact shapeTake accurate current readings without breaking the circuitSoft non-slippery overmold handle prevents from accidental touching live wiringMax. conductor ? 32 mm