Feature Description; Technical Data; Electrical Data - SICK NAMUR LFV 310 Instructions

Position
ab - Approval
cde - Process fitting / Ma-
terial
f - Adapter / Process tem-
perature
g - Housing / Protection /
Cable gland
h - Electronics
i - Switching point
j - Measurement loop
identification label
3

Technical data

3.1

Electrical data

The LFV 310/330.C******N/W** have intrinsically safe circuits. These intrinsically safe circuits are
connected to terminals which are located in an "Ex i" connection compartment.
LFV 310/330
Feature Description
CX ATEX II 1G,1/2G, 2G Ex ia IIC T6 Ga, Ga/Gb, Gb
CM ATEX II 1G,1/2G, 2G Ex ia IIC T6 Ga, Ga/Gb, Gb + Ship approval
CA ATEX II 1G,1/2G, 2G Ex ia IIC T6 Ga, Ga/Gb, Gb + Overfill protection
(WRA)
** Process fittings acc. to industry standard
*
P Plastic single chamber / IP66/IP67 / M20x1,5
N Plastic single chamber / IP66/IP67 / ½NPT
M Aluminium single chamber / IP66/IP67 / M20x1,5
7 Special colour Aluminium single chamber / IP66/IP67 / M20x1,5
U Aluminium single chamber / IP66/IP67 / ½NPT
4 Special colour Aluminium single chamber / IP66/IP67 / ½NPT
3 Aluminium single chamber / IP66/IP68 (1bar) / M20x1,5
V Stainless steel single chamber (precision casting) / IP66/IP67 / M20x1,5
A Stainless steel single chamber (precision casting) / IP66/IP67 / ½NPT
5 Stainless steel single chamber (precision casting) / IP66/IP68 (1bar) /
M20x1,5
8 Stainless steel single chamber (electropolished) / IP66/IP67 / M20x1,5
9 Stainless steel single chamber (electropolished) / IP66/IP67 / ½NPT
* Further housings with suitable plug connectors and special colours
N NAMUR signal
W NAMUR signal (250 ms)
*
*
5