15
KM26 | MAGNETIC LEVEL GAUGE | OI/KM26-EN REV I
... 3 Mounting
Figure 17 - MLG with switches
Note
Insulation jacket pads are intended to wrap only the KM26
chamber, not the limit switches themselves. Refer to figure 17
and table 3.
6. Any conduit or fittings connected to a ABB magnetically
actuated limit switch should be constructed of aluminum or
other non-ferrous material. This is necessary to avoid
interference with the operation of the KM26 float or the
associated switches.
7. Two (or mulitple) magnetically actuated limited switches
can be mounted so that they may trip at the same point or at
two different points separated by less that the length of the
switch.
8. Limit switches can not be within 1 in. of the upper and
lower process connections because the float must travel past
the switch. Process connections, gussets, support brackets,
etc. may interfere with installation at desired locations. Cam
actuated switches must be mounted in the correct
orientation.
Magnetic level gague switches
Model # Approvals Enclosure Switching mechanism Application
Type Rating
Electrical
connection
Type /
contacts
Rating
Min. / max.
process
temp
Deadband
High
temp.
Vibration
High
corrosion
LMS100 FM, FMC
ATEX, IEC
Hermetically
sealed read
switch
IP67
NEMA 4x
¼ in. NPT Reed
SPDT
AC/DC
1 A
-40 °F
(-40 °C)
⅛ in.
•
300 °F
(149 °C);
800 °F
(427 °C)
LMS200 CFMus,
ATEX/
IECEx
Aluminum NEMA 4x ¾ in. FNPT Cam driven,
snap action
DPDT
AC: 10 A
DC: 2.6 A
-60 °F
(-51 °C)
⅞ in.
•
300 °F
(149 °C);
600 °F
(316 °C)
MS41 FM, CSA,
ATEX
Stainless steel,
dual
compartment,
hermetically
sealed,
explosion proof
NEMA 4x ½ in. FNPT Cam driven,
snap action
DPDT
AC: 10 A
DC: 2.6 A
-320°F
(-195°C) with
option
15/16 in.
• • •
300 °F
(149 °C);
1000 °F
(538 °C)
PS45 Non-
electric
Stainless steel NEMA 4x ⅛ in. MNPT
port
Pneumatic 1 to 100
psig
0 °F (-18 °C) 15/16 in.
•
180 °F
(82 °C);
450 °F
(232 °C)
Note: For details refer respective switch datasheet
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