DP Split Core Current Transformer

The heavier split core body. A 100 × In short time thermal rating and a burden ladder that runs to 30 VA make DP the frame to use when the split core has to feed protection as well as a meter.

Primary current100 A to 5000 A
Secondary current5 A, 1 A
Standard approvalIEC 44-1, BS 7626
Maximum voltage0.72 / 3 kV
Frequency50 / 60 Hz
Rated load1 VA to 30 VA
Class0.5, 1.0, 3.0
Short time thermal currentIth = 100 × In

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Product Overview

The DP series of current transformers has been especially designed to make installation easy in new or existing networks. Thanks to its split core they may be installed without opening any cable or busbar circuit.

The connection of conventional CTs usually requires the interruption of the primary side circuit to pass cables or busbars through the transformer core or to connect such cables to the primary terminals. The DP series transformer core may be easily opened and installed and connected without any supply interruption, saving time and installation cost.

Application Scenarios

Current measurement, monitoring and protection for electrical wiring and equipment
Current and power measurement for electric motors, lighting, air compressors, heating and ventilation systems, air conditioning equipment and automation control systems
Current, power and energy monitoring devices
Relay protection devices

Technical Features

Small size and easy mounting
Wide inner window allowing clamping of big cables or busbars
Wide range of sizes to accommodate all existing installations
High accuracy and reliability

Specifications

Specification

Parameter	Value
Primary current	100 A to 5000 A
Secondary current	5 A, 1 A
Standard approval	IEC 44-1, BS 7626
Maximum voltage	0.72 / 3 kV
Frequency	50 / 60 Hz
Rated load	1 VA to 30 VA
Class	0.5, 1.0, 3.0
Short time thermal current	Ith = 100 × In
Rated security coefficient	FS < 5

FAQ

Questions Buyers Ask

What is the difference between DP and DBP?

Both are square split cores. DP carries the higher short time thermal rating (100 × In against 60 × In) and a burden ladder to 30 VA, so it is the choice where the core also feeds protection.

Is Class 0.5 available on a split core?

Yes, DP is offered in Class 0.5, 1.0 and 3.0.

What is the maximum primary current?

5000 A.