Ensuring The Degree Of Protection - Endress+Hauser Liquiphant FTL64 Brief Operating Instructions

Liquiphant FTL64 HART
6.3.8 Available device plugs
In the case of devices with a plug, it is not necessary to open the housing for connection
purposes.
M12 plug
 17 M12 plug, pin assignment
1 Signal +
2 Not assigned
3 Signal –
4 Ground
6.4

Ensuring the degree of protection

6.4.1 Degree of protection
Test as per IEC 60529 and NEMA 250
IP68 test condition: 1.83 m H
Housing
See cable entries
Cable entries
• M20 threaded joint, plastic, IP66/68 NEMA Type 4X/6P
• M20 threaded joint, nickel-plated brass, IP66/68 NEMA Type 4X/6P
• M20 threaded joint, 316L, IP66/68 NEMA Type 4X/6P
• M20 thread, IP66/68 NEMA Type 4X/6P
• Thread G ½, NPT ½, IP66/68 NEMA Type 4XXX
Degree of protection for M12 plug
• When housing is closed and connecting cable is plugged in: IP66/67 NEMA Type 4X
• When housing is open or connecting cable is not plugged in: IP20, NEMA Type 1
Endress+Hauser
4 3
1 2
O for 24 h
2
Electrical connection
A0011175
23