ONKA current transformer - current transformer 1200/5A, 80MM, class 0.5S, 15VA (TK8012005309 / 80011770)

Sliding measuring transformer for primary rated currents of 1200 A, secondary current 5 A, rated output power 15 VA, available in accuracy class 0.5S, ONKA.

ONKA TK8012005309 - Plug-in current transformer 1200/5 A (15 VA, class 0.5S)

The ONKA TK8012005309 current transformer is a high-quality plug-in transformer designed for indirect measurement of sinusoidal alternating current in electrical distribution boards, panels, and professional measuring systems. Due to its robust construction and precise accuracy class, it is suitable for demanding industrial and commercial applications.

Main technical specifications

• Basic rated current: 1200 A

• Secondary current: 5 A

• Rated load (secondary): 15 VA

• Accuracy class: 0.5S - high accuracy for load measurement and monitoring

• Installation/internal diameter: for rails Ø 80 mm

• Mounting feet: included - allow installation without interrupting the electrical circuit

Purpose and use

The transformer converts a high primary current up to 1200 A into a standardized secondary current of 5 A. This conversion allows safe connection to measuring and monitoring instruments without routing power conductors directly through the measuring equipment.

Suitable for:

• residential, commercial, and industrial switching devices,

• load measurement and monitoring systems,

• connection of measuring equipment, ammeters, and power meters,

• protection and automation systems,

• applications requiring compact mounting on an 80 mm rail.

Product advantages

• High current capacity up to 1200 A

• Standard output 5 A - wide compatibility with measuring and monitoring systems

• Accuracy class 0.5S - stable and reliable measurement for billing or industrial monitoring

• Rated load 15 VA - suitable for most common measuring instruments

• Easy installation due to plug-in design and mounting feet

• Universal use in measurement, protection, automation, and control