Home Product Low-voltage Current Transformers CNT-CTKD

OPEN-CLOSE TYPE CURRENT TRANSFORMER

Product features

◆ Snap structure, good linearity and high sensitivity
◆ High permeability silicon steel with good linearity and high sensitivity
◆ Internal epoxy resin casting, good stability, light weight, easy installation

Scope of application

It is suitable for rural power grid reconstruction, electrical fire monitoring, fire prevention and leakage system, intelligent power system, power measurement, power quality analysis and electrical equipment signal acquisition, power demand side management of lighting equipment, motor, power device and other equipment, small current grounding system, electromagnetic relay protection, microcomputer protection, intelligent power, environmental protection monitoring, etc.

Product Material

Shell

ABS, Flame retardant grade 94-V0
Skeleton

PBT
Iron core

Silicon steel
Internal structure

Clasp

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Specification Description

Specification

Electrical parameters		Mechanical parameters
Working frequency	50~2KHz	Shell	ABS,Flame retardant grade 94-V0
Rated input	5A~2000A	Skeleton	PBT
Measuring range	10％ln~130％ln	Iron core	Silicon steel
Rated output	0.333V(AC) or 0~5A	Internal structure	Clasp
Ratio difference	≤±0.1％	Construction plan	Band fixation
Phase difference	≤±10 point	Working temperature	-25℃~+75℃
Dielectric strength	2.5KV/7mA/1min	Ambient humidity	≤85％
Insulation resistance	DC500V/1000MΩ/min	Connection mode	PVC tricolor 1.5m twisted pair

Model and specification	Rated input(A)	Rated output(mA/v)	Accuracy class
CTKD10	5-75A (5、10、20、50、75)	0-50mA 0.333V	0.5 1.0 3.0
CTKD16	5-160A (5、10、50、100、160)	0-5A 0.333V
CTKD24	10-300A (10、50、100、200、250)	0-5A 0.333V
CTKD35	10-630A (20、100、250、400、600)	0-5A 0.333V
CTKD50	10-2000A (200、500、1000、1500、2000)	0-5A 0.333V

Description

The open-close current transformer is improved on the basis of the traditional transformer. Made of free opening and closing, it can be quickly installed and disassembled in the state of no power failure and no wire disassembly, and the operation is simple. This series of products has a wide measuring range, rated primary current range: 5~630A, rated secondary current range: 0~5A, current ratio range up to 500:1~ 10,000:1, orderly production process, to ensure its accuracy level, reliability and other technical requirements. This product complies with GB/T 20840.1.2, IEC 61869-1 and IEC 61869-2 standard.