The CTT0350 series of UL 2808 certified toroidal, panel mounted, solid-core current transformers offers highly accurate step-down transformation of the AC primary current with minimal phase shift to a level appropriate for micro-processor based circuits. These solid-core current transformers are suitable for installation in harsh operating environments with wide temperature extremes and high non-condensing humidity. Able to sustain operation during over current surges, these current transformers are suitable for in-door AC current measurement applications.

The current transformer features;

• Over current measurement capability.
• Broad frequency response range.
• A rugged design suitable for harsh environmental operating conditions.
• The secondary output can be configured either mV or mA.
• UL 2808 Certification

Features:

• Primary Input Range: 5A to 600A
• Secondary Output @ rated primary current:
  • mV: Standard is 0.333V @ rated primary current, Optional: Any mV between 0.100V to 3.530V
  • mA: (standard winding ratios):
  • 1:1000, 1:2000
  • 1:3000, 1:4000, 1:5000
  • TVS device configured across the secondary to dissipate stored energy should the CT be opened while “live”.

Specifications:

• Input Frequency: 50 to 400HZ
• Operating Voltage: 600 Vac
• Operating temperature: -40ºC to +85ºC
• Wire Leads: 610mm (24in), AWM/ UL 1015 #22AWG, twisted pair, 600V
• CE Compliant
• UL Listed Certification (E468983)
• RoHS Compliant

Physical Specifications:
Download CTT0350 Data Sheet (pdf 318kb)

Other Standard Sizes – Single Phase:

• CTT0150 standard models – 15.0mm (0.59in) window, UL Certified
• CTT0200 standard models – 20.0mm (0.79in) window, UL Certified
• CTT0450 standard models – 45.0mm (1.77in) window
• CTT0550 standard models – 55.0mm (2.17in) window, UL Certified
• CTT0720 standard models – 72.0mm (2.83in) window, UL Certified

Standard Sizes – Three Phase:

• TA7161 standard models – 10.0mm (0.39in) window
• TA7261 standard models – 20.0mm (0.79in) window
• TA7361 standard models – 20.0mm (0.79in) window
• TA7761 standard models – 30.0mm (1.18in) window

Standard Sizes – Three Phase – DIN Rail Mounted:

• TA7661 standard models – 20.0mm (0.79in) window