CTML-0350 Split-Core CT




The CTML-0350 Series CTs are optimized for branch circuit monitoring. They have a hinged opening mechanism for easy installation. The small size and low cost is ideal for monitoring many circuits in a panel.

  • Safe: burden resistor built-in, 0.333 Vac output at rated full scale current—no shorting blocks needed!
  • Full scale input current range: 5 amps to 70 amps
  • Accuracy: ±1% from 10% to 100% of rated current
  • Phase angle: <2° degrees at 50% of rated current
  • Approvals: UL Listed 2808, CE mark, RoHS


Model List

  • CTML-0350-005
  • CTML-0350-020
  • CTML-0350-050
  • CTML-0350-070

List prices for 1-3 piece quantities. Call for pricing on larger quantities.

Model Opening Rated Amps (xxx) Max. Amps Max. Wire Gauge MSRP
CTML-0350-xxx 0.35 x 0.35 in. (8.9 x 8.9 mm) 5, 20, 50, 70 100 3 AWG $42.00 each

To order, replace the CTML-0350 part number suffix "-xxx" with one of the available Rated Amps values.
The "Max. Amps" is the highest continuous current that the CT can withstand without damage.
The "Max Wire Gauge" is the largest THHN wire gauge that should fit through this CT's window opening.

Warning: Hazardous Voltages – Only qualified personnel or licensed electricians should install the WattNode meter and current transformers.