Emerson Rosemount 2051 Series Quick Start Manual page 38

Quick Start Guide
Standards
Markings
Special Conditions for Safe Use (X):
1. If the equipment is fitted with an optional 90 V transient
suppressor, it is incapable of withstanding a 500 V isolation
from earth test, and this must be taken into account during
installation.
KA
KB
KC
KD
KP
KM
38
IEC60079-0: 2011, IEC60079-31: 2008
Ex ta IIIC T95 °C T500 105 °C Da (-20 °C ≤ Ta ≤
+85 °C)
Combination of E1, I1, and K6
Combination of K5 and K6
Combination of E1, I1, and K5
Combination of K1, K5, and K6
Combination of EP and IP
Combination of EM and IM
October 2023
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