42  IM/261Gx/Ax-EN Rev. 08 | 261Gx, 261Ax 
 
 
9.4.5  Electrical connections 
 
M16 x 1.5 tap hole with cable gland (cable diameter approx. 
5 … 10 mm), directly on housing 
or 
M20 x 1.5 (via adapter) with cable gland (cable diameter 
approx. 6 … 11 mm) 
or 
1/2-14 NPT (via adapter) without cable gland 
or 
Harting Han plug connector (with mating plug (socket outlet, 
for wire diameters of 0.75 … 1 mm
2
 and cable diameters of 
5 … 11 mm)) 
or 
Miniature plug connector (without mating plug (socket outlet)) 
 
Terminals 
HART version: 
Two connections for signal / auxiliary power, for wire cross-
sections from 0.5 … 1.5 mm
2
 (16 AWG) 
 
Grounding (optional) 
External ground terminals for wire cross-sections up to 4 mm
2
 
(12 AWG). 
 
 
9.4.6  Weight 
 
(without options) 
—  Approx. 0.7 kg (1.54 lb) 
—  Additional 650 G (1.5 lb) 
 
 
9.4.7  Packaging 
 
Carton with dimensions of approx. 240 x 140 x 190 mm 
(9.45 x 5.51 x 7.48 in.)