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Current Transformer for Motor Protection

Current Transformer for Motor Protection

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Product description

This product is used for 360V,660V three-phase AC motor protection. It converts the AC current signal into a low-level AC voltage or current signal through a transformer and accurately transmits it to a microprocessor-based electronic circuit to provide protection for the motor.

Product characteristics

Wide overload and excellent consistent ;

Different input current can be converted into a unified standard value ,which is convenient for signal acquisition;

The circuit is simple ,no external power supply is required and the operation is reliable .

Various installation methods, optional PCB installation and bolt fixing methods.

Various shape structures are available .

Application

Widely used in AC motors ,air compressors, lighting ,heating ,ventilation and other devices in various places for current monitoring and protection ;power management ,automatic control systems for buildings ;

Product parameters

Electrical performance parameters	Operation temperature	-25℃～+55℃/-40℃~～+85℃ optional	Relative humidity	≤90%hPa
	Internal insulation	Epoxy resin	Insulation resistance	＞500 M Ohms/500Vdc
	Medium strength	2500Vac/min	Withstand impulse voltage	5000V（1.2/50μsStandard Lightning Wave）
	Operation frequency	50～400Hz	Accuracy class	According to（IEC 61869-2 or （GB 20840.2-2014）accuracy 0.5，1.0 class
	Environmental friendly	According to the requirement of RoHS;	Certification	According to CE

Model interpretation

Typical value of products

Type	Rated input （AC） Input current /output voltage	Accuracy class	Overload times	Duration Time (S)	适Applicable motor power (KW))	Dimensions （mm）	Installation method
TR0161B	2A/0.11V,0.1765V,0.353V 5A/0.11V,0.1765V,0.353V 6.3A/0.11V,0.1765V,0.353V 10A/0.11V,0.1765V,0.353V	0.2 class 0.5 class	10	2	≤22	L-W-H-ID 100-28-39-10	screw fixation
TR0159B	10A/0.11V,0.1765V,0.353V 40A/0.11V,0.1765V,0.353V 80A/0.11V,0.1765V,0.353V 100A/0.11V,0.1765V,0.353V	0.5 class	10	2	12.5-50	L-W-H-ID 120-50-56-20	screw fixation
TR0160B	6.3A/0.11V,0.1765V,0.353V 10A/0.11V,0.1765V,0.353V 63A/0.11V,0.1765V,0.353V 100A/0.11V,0.1765V,0.353V	0.5 class	10	2	≤110	L-W-H-ID 158-34-62-20	screw fixation
TR0180B	100A/0.11V,0.1765V,0.353V 120A/0.11V,0.1765V,0.353V 200A/0.11V,0.1765V,0.353V 300A/0.11V,0.1765V,0.353V	0.5 class	10	2	50-160	L-W-H-ID 196-38-74-30	screw fixation
TR01123B	6.3A/0.11V,0.1765V,0.353V 10A/0.11V,0.1765V,0.353V 63A/0.11V,0.1765V,0.353V 100A/0.11V,0.1765V,0.353V	0.2 class 0.5 class	10	2	≤75	L-W-H-ID 50-90-110-18	standard rail snap or screw fixation
TR0198-1B	6.3A/0.11V,0.1765V,0.353V 10A/0.11V,0.1765V,0.353V 63A/0.11V,0.1765V,0.353V 100A/0.11V,0.1765V,0.353V	0.5 class	10	2	≤75	L-W-H-ID 94-53-92-20	standard rail snap or screw fixation
TR0199B	100A/0.11V,0.1765V,0.353V 120A/0.11V,0.1765V,0.353V 200A/0.11V,0.1765V,0.353V 300A/0.11V,0.1765V,0.353V	0.5 class	10	2	50-160	L-W-H-ID 111-79.5-99-30	standard rail snap or screw fixation
TR01103B	120A/0.11V,0.1765V,0.353V 200A/0.11V,0.1765V,0.353V 300A/0.11V,0.1765V,0.353V 400A/0.11V,0.1765V,0.353V	0.5class	10	2	50-220	L-W-H-ID 184-65-78-40	screw fixation