Emerson Mobrey Series - Page 23

Level Switches Certified to IEC 61508
19
Level Switches Certified to IEC 61508
April 2017
Manual Supplement
M310, Rev BA
Table B-2. Level Switches for General Purpose Applications (Aluminum Bronze Wet-side)
Table B-3. Level Switches for Hazardous Area Applications
Model Product description
S Switch
Flange (head)
01 Mobrey A flange
Switch mechanism
DB Electrical: 2 independent Single Pole Single Throw (SPST) contact sets
PB As Type DB but with gold plated contacts
D6B Electrical: 2 independent circuits of double pole changeover contact sets
P6B As Type D6B but with gold plated contacts
Float
F84 General purpose e.g. high/low alarm, 316 SST
F93 Shrouded for dirty liquids, 316 SST
F185 General purpose e.g. high/low alarm, Alloy 400
F104/+ Cranked arm: horizontal or vertical, 316 SST
Typical model number: S 01 DB / F84
Model Product description
S Switch
Flange (head)
250 Mobrey G, 316 Stainless Steel
275 Mobrey G, Gunmetal
256 3 in. ASME B16.5 Class 150 RF
257 4 in. ASME B16.5 Class 150 RF
278 6 in. ASME B16.5 Class 150 RF
251 3 in. ASME B16.5 Class 300 RF
254 4 in. ASME B16.5 Class 300 RF
260 3 in. ASME B16.5 Class 600 RF
261 3 in. ASME B16.5 Class 900 RF
253 EN 1092-1 PN 40 (DN 80)
255 EN 1092-1 PN 40 (DN 100)
269 EN 1092-1 PN 40 (DN 125)
272 EN 1092-1 PN 63 (DN 80)
268 EN 1092-1 PN 63 (DN 100)
270 EN 1092-1 PN 63 (DN 125)
271 EN 1092-1 PN 63 (DN 150)