A smart meter is an electronic meter that records data such as consumption of electric energy, voltage levels, current, and power factor. Smart meter displays the users for their consumption behavior in real time, and electricity suppliers for system monitoring and customer billing. We have focused on high-precision current transformers for use in smart electricity meters, the item SMCT-11 with pins connection, it can be soldered on PCB easily.
Basic Specifications
Operation Condition
Indoor
Accuracy Class
0.05, 0.1, 0.2
Insulating Medium
Epoxy Resin
Material
Nano Crystalline, Ferrite Core
Product Characteristics
1
Applied for energy meters, single phase or three phase smart meters.
2
Adopted high quality amorphous alloy and nanocrystalline core, good linearity and high precision.
3
Flame retardant PBT materials case with good mechanical and electrical strength.
4
Encapsulated with epoxy resin for strong insulation ability.
5
DC immune (DCT) technology, accuracy up to 0.05 or 0.1. Conform to IEC62053-21 and ANSI C12.20.
6
RoHS compliance and CE certificated.
Product Datasheet
| Parameter |
Details |
| Model | 100A Current Transformers SMCT-11 |
| Rated primary current | 5 Amps |
| Maximum primary current (Imax) | 100 Amps |
| Secondary current (Output) | 2 mA |
| Turn ratio | 1 : 2500 |
| DC and even harmonics | According to IEC 62053-21, DC error < ±3% |
| Operating temp. | -40° C - 70° C |
| Core material | Nano crystalline and Amorphous |
| Accuracy | 0.1 class or 0.2 Class |
Packaging & Delivery
Package Size
26.00cm * 14.00cm * 12.00cm
Transport Package
Carton/ Pallet
Frequently Asked Questions
● What are the main applications of SMCT-11?
The SMCT-11 is primarily designed for high-precision measurement in smart electricity meters, including both single-phase and three-phase energy meters. Its pin connection makes it ideal for PCB mounting.
● What core materials are used in this current transformer?
This product utilizes high-quality amorphous alloy and nanocrystalline cores, which ensure excellent linearity and high precision across the measuring range.
● Does this model support DC immunity?
Yes, it features DC immune current transformer (DCT) technology, making it suitable for electricity meters where DC and even harmonics may be present in the AC circuit.
● What standards does the SMCT-11 comply with?
The product is fully compliant with IEC62052-31, IEC62053-21, and ANSI C12.20 standards. It is also CE certified and RoHS compliant.
● What is the accuracy range for this transformer?
The SMCT-11 offers high precision with accuracy classes available in 0.05, 0.1, and 0.2 levels.
● What is the operating temperature range?
It is designed to operate reliably in temperatures ranging from -40° C to 70° C, with a storage tolerance up to 85° C.
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