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Description

Engineered for precision electrical feedback, this sensing transformer steps down primary electrical currents and voltages into isolated proportional signals for control electronics. The high-permeability magnetic core minimizes phase angle error and ratio drift, ensuring accurate measurement across varying load conditions. Encapsulated in a flame-retardant housing, it provides galvinic isolation between high-voltage power lines and low-voltage control circuits to protect sensitive equipment. Its compact design allows for easy integration into power distribution boards, motor drives, and automated control systems, delivering reliable continuous monitoring for overcurrent protection, energy metering, and feedback loops.

Specifications

Key Attributes
Transformer TypeCurrent / Voltage Sensing Instrument Transformer
Core MaterialHigh-Permeability Ferrite / Silicon Steel
Operating Frequency50 Hz / 60 Hz / High Frequency (kHz)
Output SignalProportional Low Current / Low Voltage Signal
Isolation VoltageHigh Dielectric Isolation (Up to 4 kV AC)
Accuracy ClassClass 0.2 / Class 0.5 / Class 1.0
Winding ConstructionEncapsulated Copper Winding with Bobbin
Additional Information
Country of OriginIndia

Application

Measures primary current and voltage levels for electronic control and feedback systems.

Provides galvanically isolated inputs for digital power meters and energy monitoring panels.

Detects overcurrent, overload, and fault conditions in industrial motor protection circuits.

Monitors load changes in switch-mode power supplies, solar inverters, and UPS units.

Triggers safety relays and circuit breakers during abnormal system voltage surges.

Company Profile

SR Enterprises
SR Enterprises, Tamil Nadu
TruBasic
IndiaTamil Nadu, India
0
Manufacturer
Frequently Asked Questions
1
What is the primary function of a sensing transformer?

A sensing transformer steps down high voltage or current signals to low, isolated levels that can be safely measured and processed by control circuits.

2
How does a sensing transformer differ from a power transformer?

Unlike power transformers built for energy transfer, a sensing transformer is optimized for signal accuracy, minimal phase shift, and electrical isolation.

3
Can this sensing transformer be mounted directly on a PCB?

Yes, depending on the model design, it is available in compact PCB-mountable pins as well as ring-core busbar pass-through formats.

4
Why is galvanic isolation important in sensing transformers?

Galvanic isolation physically separates high-power primary lines from low-power control electronics, protecting sensitive microcontrollers and operators from high voltages.

5
What accuracy classes are available for measurement transformers?

Measurement and sensing transformers typically come in precision accuracy ratings such as Class 0.2, Class 0.5, or Class 1.0 depending on utility requirements.

Industrial Sensing Transformer

A sensing transformer is an instrument transformer designed to accurately detect, measure, and monitor electrical parameters such as current, voltage, or phase shifts in power systems. It scales down high primary electrical signals into low, manageable output levels for meters, control circuits, and protective relays.

Min. Order Quantity: 1 piece

Shipping

Shipping fee and delivery date to be negotiated. Contact supplier now for more details.

SR Enterprises
TruBasic
IndiaTamil Nadu, India
Manufacturer

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