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EN0I-60322
Housing Specifications (in mm)
Aluminium Direct Head Mount
Housing
Suitable for general purpose or
Intrinsically Safe applications.
Dimensions shown in Fig. 1.
Housing entry length = 41 mm
Material : LM24 Aluminium die casting.
Sensor entry : 1/2”NPT
Cable / conduit entry : 1/2”NPT or
M20x1.5.
Weight : 0.3kg (0.7 lb)
Paint cover : beige polyester/ epoxy
hybrid.
Enclosure classification : IP65
Order as STT250 Table II selection A _ _.
33
2 x M4
40
2 x M3
41
1/2" NPT
or M20
1/2" NPT
B-B section A-A section
Figure 1
Plastic Direct Head Mount
Housing
Suitable for lightweight installation in salt
air environments and for general purpose
or Intrinsically Safe installations.
Maximum temperature = 70° C (158° F)
Dimensions shown in Fig. 2.
Housing entry length = 26,5 mm
Material : ABS
Sensor entry : 1/2”BSP (equivalent to
1/2”NPT)
Cable/ conduit entry : M20x1.5
Colour : light beige
Weight : 0.1kg (0.2 lb)
Enclosure classification : IP67
Order as STT250 Table II selection P _ _.
A
2 x M4
33
A
85
1/2" NPT
1/2" NPT
or M20
26.5
57
C-C section A-A section
Figure 2
Cast Iron Direct Head Mount
Housing
Suitable for Flame-Proof EEx d
applications when sensor with flame trap
is included in total assembly.
Dimensions shown in Fig. 3.
Housing entry length = 41 mm
Material : Cast Iron
Sensor entry : 1/2”NPT
Cable/ conduit entry : M20x1.5
paint cover : light beige
Weight : 2.5kg (5.5 lb)
Enclosure classification : IP68
Conforms to the applicable requirements
of NEMA 7 and 9.
Order as STT250 Table II selection B _ _.
2 x M4
2 x M4
111
41
33
( 104)
1/2" NPT
1/2" NPT
or M20
B-B section A-A section
Figure 3