Level Switches Certified to IEC 61508
April 2017
Manual Supplement
M310, Rev BA
Level Switches Certified to IEC 61508
18
Table B-1. Level Switches for General Purpose Applications (Stainless Steel Wet-side)
Model
Product description
S
Switch
Flange (head)
Flange (head)
36
Mobrey A
431
EN 1092-1 PN 16 (DN 125)
190
Mobrey A
417
EN 1092-1 DN 65 PN 40 (DN 65)
440
3 in. ASME B16.5 Class 150 RF
418
EN 1092-1 PN 40 (DN 80)
441
4 in. ASME B16.5 Class 150 RF
419
EN 1092-1 PN 40 (DN 100)
424
3 in. ASME B16.5 Class 300 RF
433
EN 1092-1 PN 40 (DN 125)
425
4 in. ASME B16.5 Class 300 RF
434
EN 1092-1 PN 40 (DN 150)
489
3 in. ASME B16.5 Class 600 RF
488
EN 1092-1 PN 63 (DN 80)
490
3 in. ASME B16.5 Class 900 RF
435
EN 1092-1 PN 63 (DN 100)
428
EN 1092-1 PN 16 (DN 65)
436
EN 1092-1 PN 63 (DN 125)
429
EN 1092-1 PN 16 (DN 80)
437
EN 1092-1 PN 63 (DN 150)
430
EN 1092-1 PN 16 (DN 100)
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
B6
As Type H6 but approved for Zone 2 areas
Enclosure/housing
A
Aluminum alloy
Float
F84
General purpose e.g. high/low alarm, 316 SST
F93
Shrouded for dirty liquids, 316 SST
F96
General purpose e.g. high/low alarm, 316 SST
F98
General purpose e.g. high/low alarm, 316 SST
F185
General purpose e.g. high/low alarm, Alloy 400
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 36 D A / F84
Summary of Contents for Mobrey Series
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