Description

TOL-ADL-40.5 current transformers convert primary current to a standard secondary current of 1 A or 5 A and supply it to measuring, electricity metering, relay protection, automation and control systems. The transformer provides galvanic isolation of secondary circuits from the high-voltage network.

The transformer is designed for indoor installation in complete switchgear, KSO switchgear panels, distribution points and other AC installations with a highest equipment voltage of 40.5 kV and a rated frequency of 50 Hz.

The cast epoxy insulation does not sustain combustion. It provides high electrical and mechanical strength and resistance to short-circuit currents, moisture, dust and industrial contamination.

Transformers can be manufactured with one, two, three or four secondary windings for measurement and/or protection. A version with a switchable transformation ratio is available on request.

Climatic version: UHL2. Average service life: at least 40 years. The transformers comply with DSTU EN 61869-1:2017 and DSTU EN 61869-2:2017.