1. Companion to your DMM to measure up to 400 A AC 2. 1 mA/Amp output guarantees easy reading on you meter 3. Only current clamp available with a CAT IV 600 V / CAT III 1000 V safety rating 4. Specially designed to offer maximum utility in a very compact shape 5. Take accurate current readings without breaking the circuit 6. Soft non-slippery overmold handle prevents from accidental touching live wiring 7. Max. conductor Ø 32 mm ,