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ALH-0.66 M

ALH-0.66 series current transformers have novel design, advanced compensation method, excellent process technology, safe and reliable performance, small and aesthetic appearance, as well as complete varieties. They are normally used for control, protection and measurement.
  • Product Features
  • Technical Parameters

ALH-0.66M type current transformer is applicable to the places where there are small currents and small spaces, especially suitable for the drawer-type cabinets.

It can be installed directly by the guide rails (or by the bottom cabinets provided by our factory) or by the bus bar.

The screw-type wiring is adopted for the primary wiring to avoid the troubles of additional number of turns at primary side during small current.

Internal iron core adopts high-quality silicon steel sheet;

In conformance with GB0840.2-2014;

Pass the National Metrology Accreditation;

Secondary current is divided into 5A and 1A;

Rated working voltage (Un): AC660V

Rated frequency: 50~60Hz

Rated continuous thermal current (Icth): 1.2 x Ipn

Rated short thermal current (Ith): 60x Ipn (1sec.)

Power frequency withstand voltage: 3kV (1min, 50Hz; between the enclosure and secondary terminal)

Insulation class: E

Type of wiring terminal: screw pressing sheet fastening type (thread is M4)

Operating torque: tightening torque 0.8~1.2N.m, max. bearing torque 2.4N.m;

Protection class: IP00 for terminal and IP40 for enclosure;

Altitude of installation place: not more than 3,000m

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