Current sensor LEM LT308-S6 with UL 94-V0 insulating housing certification and EN 50178 compliance

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Product Description

Product Overview

The LT 308-S6 is an insulated current sensor designed for measuring DC, AC, and pulsed currents. It offers excellent accuracy, good linearity, low thermal drift, optimal response time, wide bandwidth, no insertion loss, and strong immunity to interference, making it suitable for various industrial applications.

Product Attributes

Brand: LEM
Certifications: EN 50178, UL 94-V0 (insulating housing)
Origin: Not specified
Material: Not specified
Color: Not specified

Technical Specifications

Parameter	Value	Unit	Notes
Electrical Parameters
Primary Rated RMS Current (IPN)	300	A
Primary Current Measuring Range	0 .. 500	A
Secondary Rated RMS Current (ISN)	100	mA
Transformation Ratio (KN)	1 : 3000
Supply Voltage (VC) ( 5%)	15 .. 18	V
Current Consumption (IC)	20 (@ 15V) + IS	mA
Accuracy - Dynamic Parameters
Overall Accuracy @ IPN, TA = 25C (XG)	0.5	%
Linearity (L)		%	Typ
Electrical Offset Current @ IP = 0, TA = 25C (IOE)	0.20	mA
Magnetic Offset Current (IOM) 1) @ IP = 0, overload 3 x IPN	0.20	mA
Temperature Drift of IO (-10C .. +70C) (IOT)	0.15	mA
Temperature Drift of IO (-10C .. +70C) (IOT)	0.64	mA	Max
Response Time to 10% of IPN (tra)		ns
Response Time to 90% of IPN (tr) 2)		s
di/dt Following Accuracy	> 100	A/s
Bandwidth (- 3 dB) (BW)	DC .. 100	kHz
General Parameters
Ambient Operating Temperature (TA)	- 10 .. + 70	C
Ambient Storage Temperature (TS)	- 25 .. + 80	C
Secondary Coil Resistance @ TA = 70C (RS)	31
Mass (m)	300	g
Standard (3)	EN 50178
Electrical Isolation Performance
AC Isolation Voltage Test RMS (Vd) 1), 50 Hz, 1 min	4.95	kV	Primary-Secondary
Impulse Withstand Voltage (Vw) 1.2/50 s	9.1	kV
Min. Creepage Distance (dCp) 2)	23	mm	Primary to external surface terminals
Min. Clearance Distance (dCI) 3)	10	mm	Primary to external surface terminals
Comparative Tracking Index (CTI) (group IIIa)	275
Application Reference (EN 50178 & IEC 61010-1)
Load Voltage Category	OV 3
Pollution Degree	PD2
Mechanical Performance
Natural Tolerance	0.5	mm
Fastening Points (Horizontal)	2 holes 5.2 mm, 84 mm spacing
Fastening Points (Horizontal)	4 holes 4.2 mm, 90 mm spacing
Fastening Points (Vertical)	2 holes 5.1 mm, 75 mm spacing
Primary Through Hole	35	mm
Secondary Connection	Socket JTB 450-00 (Shenzhen Jietai)