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Current transducer LEM CTSR 0.3-P closed loop voltage output with galvanic separation and overload capability

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Current transducer LEM CTSR 0.3-P closed loop voltage output with galvanic separation and overload capability

Standby Current : -

working temperature : -40℃~+105℃

Current Range : ±500mA

Voltage - Supply : 4.75V~5.25V

Response Time (tr) : 50us

Sensitivity : 4V/A

Bidirectional Current Detection : Support

Description : ±500mA 4V/A Through Hole,45x17.9mm Current Sensors RoHS

Mfr. Part # : CTSR 0.3-P

Model Number : CTSR 0.3-P

Package : Through Hole,45x17.9mm

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Product Overview

The LEM CTSR series are closed-loop voltage output current transducers designed for the electronic measurement of DC, AC, and pulsed currents with galvanic separation. They offer high accuracy, low offset drift, a wide aperture, and high overload and insulation capabilities. These transducers are suitable for PCB mounting and feature a reference pin with dual modes (Ref In/Ref Out) and degauss/test functions.

Product Attributes

Brand: LEM
Certifications: EN 50178, IEC 61010-1, UL 508, CSA C22.2 NO. 14-10
Application Domain: Industrial
Suitable for: VDE 0126-1-1 and UL 1741

Technical Specifications

Model	Parameter	Symbol	Unit	Value	Comment
CTSR Series (General)	Primary nominal residual rms current	IPRN	mA	300, 600
	Primary residual current, measuring range	IPRM	mA	-500 to 500 (0.3-P), -850 to 850 (0.6-P)
	Supply voltage	UC	V	4.75 to 5.25	+5 V nominal
	Max surrounding air temperature	TA	C	105
	Primary conductor temperature	TB	C	110
	Overload capability (100 s, 500 A/s)	P	A	3300
CTSR 0.3-P	Theoretical sensitivity	Gth	V/A	4
	Sensitivity error	G	%	-1.6 to 0.5 to 1.6	RL > 500 k
	Linearity error	L	% of IPRM	0.5
	Output rms noise voltage (spectral density)	Vno	mV	6	1 .. 10 kHz referred to primary, RL > 500 k
	Reaction time @ 10 % of IPRN	tra	s	7	RL > 500 k, di/dt > 5 A/s
	Step response time to 90 % of IPN	tr	s	50	RL > 500 k, di/dt > 5 A/s
CTSR 0.6-P	Theoretical sensitivity	Gth	V/A	2.476
	Sensitivity error	G	%	-0.7 to 0.3 to 0.7	RL > 500 k
	Linearity error	L	% of IPRM	0.4
	Output rms noise voltage (spectral density)	Vno	mV	4	1 .. 10 kHz referred to primary, RL > 500 k
	Reaction time @ 10 % of IPRN	tra	s	5	RL > 500 k, di/dt > 5 A/s
	Step response time to 90 % of IPN	tr	s	30	RL > 500 k, di/dt > 5 A/s
Insulation	Impulse withstand voltage 1.2/50 s	W	kV	10.1
	Clearance (pri. - sec.)	dCI	mm	11	Shortest distance through air
	Creepage distance (pri. - sec.)	dCp	mm	11	Shortest path along device body
	Comparative tracking index	CTI	V	600
Environmental	Ambient operating temperature	TA	C	-40 to 105
Environmental	Ambient storage temperature	TS	C	-50 to 105

2410311225_LEM-CTSR-0-3-P_C3684439.pdf

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