Sizes

ND Offers several families of Clamp-on Sensors:

 

Small.
Measuring up to 200 Amp with a cable aperture of 15mm.

M1 & M3 with a short body, 93 mm long.

M2 & M4 with a long body, 125 mm long allowing space for components

M1 & M2 for insulated cables only

M3 & M4 for bare cables up to 600V to ground.

 

Medium.

Several models for currents up to 1200 Amp.

US for cables up to 43mm, insulated cables only

S for cables up to 50mm & bare cables up to 600V to ground

SM high accuracy  for cables up to 54mm & bare cables up to 600V to ground.

 

Large.
Three models for currents up to 3000 Amp, cables up to 83mm and  Bus-bars 100x58 or 126x47mm.   All suitable for bare cables up to 600V to ground.