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Overview

3450R Series Phenolic Automatic Reset Thermostats.table> The 3450R Series consists of a temperature-sensitive bimetal disc, electrically isolated from the switch, which actuates the normally closed contacts. The contacts open when the surface or ambient temperatures increase to the operating snap point of the calibrated disc. Response to temperature changes is extremely rapid due to the inherently low mass of the disc and the small size of the product. These products are factory calibrated to the customer’s specification.

Technical Specifications

Functional Properties Open on rise
Reset Type Automatic
Operating Temperature 0 °C to 150 °C [32 °F to 302 °F]
Amperage 15 A/10 A resistive max.
Voltage 120 Vac/240 Vac
Open Temperature 6.7 °C [44 °F]
Open Tolerance 2.8 °C [5 °F]
Close Temperature -1.7 °C [29 °F]
Close Tolerance 3.3 °C [6 °F]
Environmental Exposure Range -18 °C to 177 °C [0 °F to 350 °F]
Dielectric Strength MIL-STD-202, Method 301; 2000 Vac 60 Hz - Terminal to Case
Insulation Resistance MIL-STD-202, Method 302; Cond. B - 500 MOhm - 500 Vdc applied
Contact Resistance MIL-STD-202, Method 307; 0.050 Ohm
Housing Material Phenolic
Contact Material Silver/nickel alloy
Mounting B201 fixed bracket
Agency Approvals and Standards UL, CSA
Comments High current
Series Name 3450R

Technical Specifications

Functional Properties Open on rise
Reset Type Automatic
Operating Temperature 0 °C to 150 °C [32 °F to 302 °F]
Amperage 15 A/10 A resistive max.
Voltage 120 Vac/240 Vac
Open Temperature 6.7 °C [44 °F]
Open Tolerance 2.8 °C [5 °F]
Close Temperature -1.7 °C [29 °F]
Close Tolerance 3.3 °C [6 °F]
Environmental Exposure Range -18 °C to 177 °C [0 °F to 350 °F]
Dielectric Strength MIL-STD-202, Method 301; 2000 Vac 60 Hz - Terminal to Case
Insulation Resistance MIL-STD-202, Method 302; Cond. B - 500 MOhm - 500 Vdc applied
Contact Resistance MIL-STD-202, Method 307; 0.050 Ohm
Housing Material Phenolic
Contact Material Silver/nickel alloy
Mounting B201 fixed bracket
Agency Approvals and Standards UL, CSA
Comments High current
Series Name 3450R

Documents

TITLE DOCUMENT TYPE LANGUAGE SIZE
Commercial Thermostats Datasheet English 756KB
Thermostats Line Guide Product Line Guide English 444KB

Product Features

  • Cost effective
  • Rivet sleeve construction
  • Low profile
  • High current

Applications

  • HVAC
  • Automotive
  • Major appliances
  • Office automation

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