ONKA Current Transformer - CURRENT TRANSFORMER 1200/5A, 100MM, CLASS 0.5S, 10VA (TK10012005307 / 80011773)

Slip-on measuring transformer for primary rated currents of 1200 A, secondary current 5 A, rated power 10 VA, available in accuracy class 0.5S, ONKA.

The ONKA TK10012005307 is a highly precise slip-on current transformer for indirect AC measurement in electrical installations and switch cabinets. It converts a high primary current into a standard secondary current of 5 A, enabling safe connection to measurement and protection systems.

Technical data

Basic parameters

• Primary rated current: 1200 A

• Secondary current: 5 A

• Bus diameter/inner diameter of mounting: 100 mm

• Rated power: 10 VA

• Accuracy class: 0.5S - suitable for precise load measurement and monitoring

Installation:

• Mounting type: plug-in transformer

• Mounting feet: included

• Easy installation: plug-in design without interrupting the main circuit

Description

The transformer converts a high primary current (1200 A) into a standardized secondary current of 5 A. This enables:

• Connection of meters and ammeters (1.5 to 2.5 amperes).

• Integration into protection systems

• Load monitoring and control

• Easy installation in switchboards thanks to a standard 100 mm busbar

The compact dimensions and robust design ensure reliability and long service life even in industrial or commercial applications.

Advantages

• Primary current up to 1200 A - suitable for high loads

• Secondary current 5 A - compatible with most measuring devices

• Accuracy class 0.5S - reliable and precise measurement

• Compact housing - easy installation on 100 mm busbar

• Rated power 10 VA - sufficient for most measurement systems

Application

• Industrial and commercial switchgear

• Electricity measurement and load monitoring systems

• Connection of meters, ammeters, and protective devices

• Current monitoring in networks with primary currents up to 1200 A