800 Series Type 820E Models 1BS to 8BS Temperature Switch

Brand: United Electric Controls Ltd
Does not ship to United States

For applications that require a visual display of process temperature and set point, the 800 Series offers a highly readable four inch setting/indication scale. It is available in two versions: a Lexan enclosure for enclosure type 1 or 4 applications (with option M300), and with Lexan window and epoxy-coated aluminum enclosure for Division 1 explosion proof applications.
Features
  • Optional Russian, Ukrainian, Chinese, flameproof or intrinsic safety compliance 
  • Temperature indication and control switching 
  • Simple to adjust via external knob 
  • Explosion proof models are UL listed, cUL certified, and ATEX compliant 
  • Optional thermowells and union connectors available 
  • Single or dual SPDT output 
  • Stainless Steel Bulb and Capillary 
  • ±1% repeatability 
  • Enclosure Type 1, 4, and Explosion Proof Versions

Specifications

Accuracy

  • Indication Accuracy: ± 1 % of Adjustable Range

Adjustment Type

  • Factory Set (Pre-Set) One Switch
  • Set Point Adjustment

Ambient Temperature Range

  • -40° to 71° C (-40° to 160° F), Set Point Typically Shifts less than 1 % of Range for a 28° C (50° F) Ambient Temperature Change

Applications

  • Food Service Appliances
  • HVac Equipment
  • Ovens
  • Packaging Machines
  • Process Plants

Approvals & Certifications

  • ATEX Ex directive (94/9/EC) II 2 G Ex d IIC T6, II 2 D Ex TD A21 IP66 T 85° C (185° F), Tamb: -40° to 75° C (-40° to 167° F)
  • CE 0539
  • CQST Exd IIC T6 DIP A21 TA 85° C (185° F), Tamb: -40° to 75° C (-40° to 167° F)
  • CSA C22.2 No. 24, File # LR7814
  • GOST-R 51330.0, 51330.1, 51330.10 & 51330-14
  • Low Voltage Directive (LVD) 73/23/EC & 93/68/EEC
  • RTN
  • UL (C,US) 50 & 698 Class I, Divisions 1 & 2, Groups B, C, D, Class II, Divisions 1 & 2, Groups E, F, G, Class III, Class I, Zone 1, Groups IIB + H₂ T6

Bulb Material

  • 304 Stainless Steel

Capillary Length

  • 6 feet (2 metres)

Capillary Material

  • 304 Stainless Steel

Cover Material

  • Lexan

Deadband

  • Temperature Deadband: Typically 1 % of Range Under Laboratory Conditions (21.11° C (70° F) Circulating Bath at Rate of 0.5° F Per Minute Change)

Electrical - Free Leads

  • 18 AWG, 1.19 mm² Color-Coded Leadwires, Approximately 9” (228.6 mm) Exposed with Strain Relief

Electrical Connectors

  • 7/8” Diameter Knockout on Left Hand Side
  • Plug Connection
  • Two 3/4” NPT with Terminal Block

Electrical Contacts

  • Normally Closed
  • Normally Open

Electrical Rating

  • 15 A at 125/250/480 Vac Resistive
  • 20 A at 125/250 Vac Resistive
  • Close Deadband, 5 A at 125/250 Vac Resistive

Enclosure Finish

  • Epoxy Powder-Coated

Enclosure, Body Material

  • Gasketed Die Cast Aluminum

Environmental Protection

  • Flameproof
  • IP66
  • NEMA 4X
  • NEMA 7
  • NEMA 9

Materials of Construction

  • Faceplate: Lexan
  • Thermowell: 316 Stainless Steel
  • Union Connector & Thermowell: Brass
  • Union Connector: 304 Stainless Steel

Mounting

  • Hole
  • Panel
  • Surface

Name Plate, Tag Material

  • Stainless Steel, Paper ID Tag & Wire Attachment

NPT Connection

  • 1/2” NPT
  • 3/4” NPT

Process Connection Material

  • 304 Stainless Steel
  • Brass

Repeatability

  • Set Point Repeatability: ± 1 % of Adjustable Range

Service

  • Oxygen Service Cleaning, Alcohol Cleaning to Remove Residue from the Process Connection

Set Point - Decreasing

  • -117.8° to 343.3° C (-180° to 650° F)

Set Point - Increasing

  • -117.8° to 343.3° C (-180° to 650° F)

Shock

  • Set Point Repeats after 15 G, 10 millisecond Duration

Storage Temperature

  • -54° to 71° C (-65° to 160° F)

Switch Type

  • SPDT

Temperature Range

  • Maximum

Vibration

  • Set Point Repeats after 2.5 G, 5 to 500 Hz

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