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UE temperature switch explosion-proof UE 820E-3BS 822E-3BS

UE temperature switch explosion-proof 820E-3BS 822E-3BS

UE 820E-3BS 822E-3BS overview

As safety requirements become more stringent, the determining factor in specifying an industrial pressure, differential pressure and/or temperature switch rests upon that switch protecting equipment, processes and personnel. Meeting hazardous location requirements through adherence to UL, CSA, and ATEX standards, UE’s 120 Series is the choice where potentially explosive or highly corrosive atmospheres exist. The 120 Series offers a variety of pressure, differential pressure, vacuum and temperature ranges, as well as port connections, wetted materials and sensor types. With common, flexible “platforms”, models can quickly be adapted at the factory for special requirements, such as ranges, process connections and electrical ratings. Typical industries using 120 Series switches include chemical, petrochemical, refinery, oil and gas pipelines & production and pharmaceuticals. An innovator in the application of Threshold Detection and Switching™ technology since 1931, United Electric’s primary focus is the protection of equipment, processes and people.

UE temperature switch Commonly used model

UE B121-120	UE B121-121	UE C120-120	UE C120-121	UE E121-2BSA
UE E121-2BSB	UE E121-3BS	UE E121-4BS	UE E121-5BS	UE E121-8BS
UE F120-1BS	UE F120-2BS	UE F120-3BS	UE F120-4BS	UE F120-5BS
UE F120-6BS	UE F120-7BS	UE F120-8BS	UE 820E-1BS	UE 820E-2BS
UE 820E-3BS	UE 820E-4BS	UE 820E-5BS	UE 820E-6BS	UE 820E-7BS
UE 820E-8BS	UE 822E-1BS	UE 822E-2BS	UE 822E-3BS	UE 822E-4BS
UE 822E-5BS	UE 822E-6BS	UE 822E-7BS	UE 822E-8BS

WEIGHT	3-8 lbs. Varies with type and model
ELECTRICAL CONNECTION	Type H, B, E; one 3/4" NPT E/C; Type J, C, F, 820E, 822E; two 3/4" NPT E/C; terminal block standard
PRESSURE CONNECTION	Models S126B-S164B, 171-194, 483-494, 520-535: 1/2" NPT (female); models 560-564: 2" sanitary connection; models 565-567: 1 1 ⁄ 2" sanitary connection; models 540-548: 1/8" NPT (female); all others: 1/4" NPT (female)
TEMPERATURE ASSEMBLY	Bulb and capillary: 6 feet 304 stainless steel (standard) except for E121-13273 and E122-13321: 10 feet; Immersion stem: nickel-plated brass (standard) except for B121-13272 and B122-13322: stainless steel. Fill: Model 1BS: solvent filled; models 2BS-8BS: non-toxic oil filled
TEMPERATURE DEADBAND	Type F120, 820E, 822E: typically 1%; type B-, C-, and E- 121 and 122: typically 2% of range under laboratory conditions (70°F [21°C] ambient circulating bath at rate of 1/2°F per minute change)
PRESSURE DEADBAND	See Individual model charts
DIFFERENTIAL PRESSURE INDICATION (OPTION M210)	Differential pressure indication available types H121K and H122K with option M210; accuracy approximately 1% mid 50% of range, 3% at ends; window is plexiglass and gasketed; indicator may be field adjusted for approximately 1% accuracy at any set point within range
TEMPERATURE INDICATION	Temperature indication available types 820E and 822E. Indication accuracy is +1% of adjustable range

UE temperature switch explosion-proof UE 820E-3BS 822E-3BS

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UE temperature switch explosion-proof UE 820E-3BS 822E-3BS

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