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Closed loop Hall effect current transducer LEM LT508-S6 for accurate DC AC and pulsed current measurement

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Closed loop Hall effect current transducer LEM LT508-S6 for accurate DC AC and pulsed current measurement

working temperature : -10℃~+70℃

Current Range : ±800A

Voltage - Supply : -18V~-15V;15V~18V

Band Width : 100kHz

Bidirectional Current Detection : Support

Description : ±800A Current Sensors RoHS

Mfr. Part # : LT508-S6

Model Number : LT508-S6

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Product Overview

The LEM LT 508-S6 is a closed-loop Hall effect current transducer designed for the electronic measurement of DC, AC, and pulsed currents. It provides galvanic separation between the primary and secondary circuits, offering excellent accuracy, very good linearity, low temperature drift, and optimized response time. This transducer is ideal for applications requiring high immunity to external interference and current overload capability, such as AC variable speed drives, static converters, UPS, and SMPS.

Product Attributes

Brand: LEM
Model: LT 508-S6
Certifications: UL 94-V0 (insulating plastic case), EN 50178, UL 508
Application Domain: Industrial

Technical Specifications

Parameter	Value	Unit	Notes
Primary Nominal RMS Current (IPN)	500	A
Primary Current Measuring Range (IPM)	0 800	A
Measuring Resistance (RM)	0 - 40 (at 15 V @ 500 A) / 0 - 5 (at 18 V @ 800 A) / 0 - 60 (at 15 V @ 500 A) / 0 - 15 (at 18 V @ 800 A)		min/max values
Secondary Nominal RMS Current (ISN)	100	mA
Conversion Ratio (KN)	1 : 5000
Supply Voltage (UC)	15 18	V	(5 %)
Current Consumption (IC)	20 (+ IS)	mA	(@ 15 V)
Overall Accuracy (@ IPN, TA = 25 C)	0.4	%
Linearity Error (L)	< 0.1	%	Typ
Electrical Offset Current (IOE) (@ IP = 0, TA = 25 C)	0.13	mA
Magnetic Offset Current (IOM) (@ IP = 0 and specified RM, after overload)	0.14	mA	1)
Temperature Variation of IO (TA = -10 C +70 C)	0.15 / 0.64	mA
Reaction Time	< 500	ns
Step of Response Time (tr) (to 90 % of IPN)	< 1	s	2)
di/dt Accurately Followed	> 100	A/s
Frequency Bandwidth (BW) (3 dB)	DC 100	kHz
Ambient Operating Temperature (TA)	10 +70	C
Ambient Storage Temperature (TS)	25 +80	C
Resistance of Secondary Winding (RS) (@ TA = 70 C)	60
Mass	320	g
Impulse Withstand Voltage (W) (1.2/50 s)	9.1	kV
Creepage Distance (dCp) (On housing)	25.8	mm	2)
Clearance (dCI) (On housing)	11.5	mm	2)
Comparative Tracking Index (CTI) (group IIIa)	275
Rated Insulation Voltage (Basic)	600	V	EN 50178 / IEC 61010-1
Rated Insulation Voltage (Reinforced)	300	V	EN 50178 / IEC 61010-1
Primary Through-hole Diameter	35	mm

2410121916_LEM-LT508-S6_C454801.pdf

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