Emerson Mobrey Series - Page 24

Level Switches Certified to IEC 61508
April 2017
Manual Supplement
M310, Rev BA
Level Switches Certified to IEC 61508
20
Switch Mechanism
D Electrical: 2 independent Single Pole Single Throw (SPST) contact sets
P As Type D but with gold plated contacts
D6 Electrical: 2 independent circuits of double pole changeover contact sets
P6 As Type D6 but with gold plated contacts
H6 As Type D6 but with gold plated contacts and hermetically sealed moving parts
Enclosure / Housing
A Aluminum alloy
G Gunmetal
X Use ‘AX’ or ‘GX’ for applications with ambient temperatures –4 to –76 °F (–20 to –60 °C)
Float
F84 General purpose e.g. high/low alarm, 316 SST
F185 General purpose e.g. high/low alarm, Alloy 400
F96 General purpose e.g. high/low alarm, 316 SST
F98 General purpose e.g. high/low alarm, 316 SST
F104/+ Cranked arm: horizontal or vertical, 316 SST
F106 General purpose e.g. high/low alarm, 316 SST
F107 General purpose e.g. high/low alarm, 316 SST
Typical model number: S 250 D A / F84