Electrical connection Gammapilot FMG50
30 Endress+Hauser
5.3 Terminal assignment
A0038895
5 Connection terminals and ground terminal in the connection compartment
1 Internal ground terminal (to ground the cable shield)
2 Negative terminal
3 Positive terminal
• Non-Ex: supply voltage: 14 to 35 VDC
• Ex-i: supply voltage: 14 to 30 VDC
5.4 Cable entries
A0038156
1 Cable entry
2 Dummy plug
The number and type of cable entries depend on the device version ordered. The following
are possible:
• 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
• G1/2 thread, IP66/68 NEMA Type 4X/6P, with enclosed M20 to G1/2 adapter
• NPT1/2 thread, IP66/68 NEMA Type 4X/6P
• M12 plug, IP66/68 NEMA Type 4X/6P
• HAN7D plug, 90 deg. IP65 NEMA Type 4x
Connecting cables should be routed away from the housing from below to prevent
moisture from penetrating the connection compartment. Otherwise, a drip loop
should be provided or a weather protection cover should be used.
Please follow the enclosed installation instructions if a G1/2 entry is used.
5.5 Potential equalization
Before wiring, connect the potential matching line to the ground terminal.