Honeywell Thermostats Line Guide

Precision engineering. Commercial sense.

Introduction

From the exacting needs of high-end industrial and aerospace applications to commercial safety and office equipment usage, Honeywell Sensing and Control (S&C) thermostat solutions are the recognized, respected leader. Both our commercial and precision snap-action thermostats include automatic and manual reset options, phenolic or ceramic housings, and a wide variety of mounting brackets and terminal options. Our precision line includes both hermetic and non-hermetic devices. Each thermostat's design is configured from a base unit and can be customized for temperature tolerance and mechanical configurations, meeting any of your needs for accuracy and exactitude. Trust industry-leading engineering and innovation.

Commercial Thermostats

2450A Series

Features: Cost effective, Gold alloy contacts, Epoxy-sealed cap and terminals, Wide variety of terminals. Options include stepped aluminum cap with 15' spacing, 1" collector for 30' spacing, and a 1.5" collector for 50' spacing. Collector brackets available per UL.

Benefits: Gold alloy contacts for low voltage fire alarm, smoke detector, and potential security device applications. Small size allows enhanced response to temperature changes. Epoxy sealed for extended life. Potential uses include office copy machines, heat and smoke detectors, HVAC equipment, computers, aircraft/aerospace, radar equipment, medical equipment, and electronic control systems.

2450CM Series

Features: Cost effective, Rivet sleeve construction, Wide variety of mounting brackets and terminals.

Benefits: Small size allows enhanced response to temperature changes. Potential for use in high current HVAC, appliance, hot water heater, and office automation applications.

2450CMG Series

Features: Cost effective, Gold alloy contacts, Rivet sleeve construction, Wide variety of mounting brackets and terminals.

Benefits: Small size allows enhanced response to temperature changes. Gold alloy contacts for potential use in low voltage HVAC, appliances, hot water heater, and office automation applications.

2450HR Series

Features: Cost effective, Rivet sleeve construction, Factory calibrated, Wide variety of mounting brackets and terminals. Features a 4-posted “H” construction for application mounting bracket.

Benefits: Small size allows enhanced response to temperature changes. Factory calibrated to customer's specifications. Potential for use in HVAC, major appliances, automotive, heat and smoke detectors, and office copy machines.

2450HRG Series

Features: Cost effective, Gold alloy contacts, Rivet sleeve construction, Factory calibrated, Wide variety of mounting brackets and terminals. Features a 4-posted “H” construction for application mounting bracket.

Benefits: Small product size allows enhanced response to temperature changes. Factory calibrated to customer's specification. Gold alloy contacts for low voltage HVAC, major appliances, automotive, heat/smoke detectors, and copy machine potential applications.

2450R Series

Features: Cost effective, Rivet sleeve construction, Low profile, Wide variety of mounting brackets and terminals.

Benefits: Low profile and small size allow enhanced response to temperature changes. Factory calibrated to customer's specification. Potential for use in high current HVAC, major appliances, automotive, heat/smoke detectors, and copy machine applications.

2450RC Series

Features: Cost effective, Rivet sleeve construction, Low profile, Wide variety of mounting brackets and terminals.

Benefits: Low profile and small size allow enhanced response to temperature changes. Potential for use in high current HVAC, power supplies, decorative fire places, and glue gun applications.

2450RCG Series

Features: Cost effective, Gold alloy contacts, Rivet sleeve construction, Low profile, Wide variety of mounting brackets and terminals.

Benefits: Low profile and small product size allow enhanced response to temperature changes. Gold alloy contacts allow for potential use for low voltage HVAC, power supply, decorative fire places, and glue gun applications.

2450RG Series

Features: Cost effective, Gold alloy contacts, Rivet sleeve construction, Wide variety of mounting brackets and terminals. Features a 4-posted “H” construction for application mounting bracket.

Benefits: Small product size allows enhanced response to temperature changes. Gold alloy contacts allow for potential use for low voltage tabletop appliance applications.

2455R Series

Features: Cost effective, Rivet sleeve construction, High profile, High current, Wide variety of mounting brackets and terminals.

2455RA Series

Features: Cost effective, Gold alloy contacts, Epoxy-sealed cap and terminals, Wide variety of terminals. Features a stepped aluminum cap with 15 ft spacing, 1" collector for 30' spacing, and a 1.5" collector for 50 ft spacing. Collector brackets available per UL.

Benefits: Small size allows enhanced response to temperature changes. Epoxy sealed for long life. Available with or without heat collectors. Gold alloy contacts allow for potential use for low voltage fire alarm, smoke detector, and security device applications.

2455RBV Series

Features: Cost effective, Epoxy overmold, Rivet sleeve construction, Dust-free housing, Factory calibrated, Wide variety of mounting brackets and terminals.

Benefits: Epoxy overmolded construction provides electrical insulation. Small size allows enhanced response to temperature changes. Factory calibrated to customer's specification. Potential for use in high current automotive and industrial equipment applications.

2455RC Series

Features: Cost effective, Rivet sleeve construction, High profile, Wide variety of mounting brackets and terminals.

Benefits: Small product size allows enhanced response to temperature changes. Potential for use in high current HVAC, power supply, spa, and office automation applications.

2455RG Series

Features: Cost effective, Gold alloy contacts, Rivet sleeve construction, High profile, Factory calibrated, Wide variety of mounting brackets and terminals.

Benefits: Small product size allows enhanced response to temperature changes. Factory calibrated to customer's specification. Gold alloy contacts allow for potential use for low voltage HVAC, automotive, copy machines, heat/smoke detection, and major appliance applications.

2455RM Series

Features: Cost effective, Rivet sleeve construction, Factory calibrated, Wide variety of mounting brackets and terminals.

Benefits: Small size allows enhanced response to temperature changes. Used in high current. Factory calibrated to customer's specification. Potential uses include HVAC, power supply, and office automation.

Precision Thermostats

3000 Series

Features: Custom packaging, Hermetically sealed, Tight tolerances, Tight differentials, Customized probe length, Hermetic connector or potted constructions.

Benefits: Internal and external design options meet exacting customer requirements. All-welded, hermetically-sealed stainless steel construction for potential military applications requiring flexibility in mounting and terminal configurations.

3100 Series

Features: Hermetically sealed, Tight tolerances, Tight differentials, Pre-set and tamper proof, SPST contacts, Wide variety of mounting brackets and terminals.

Benefits: Designed to meet or exceed critical commercial and industrial specifications. Temperature calibrations pre-set at factory. Each unit 100% thermally and mechanically inspected. Potential applications include computers, medical electronics, power supplies, industrial controls, infotech, and test equipment.

3100U Series

Features: UL approved, Hermetically sealed, Tight tolerances, Tight differentials, Pre-set and tamper proof, SPST contacts, Wide variety of mounting brackets and terminals.

Benefits: UL approved products designed to meet or exceed critical commercial and industrial specifications. Temperature calibrations pre-set at factory. Each unit 100% thermally and mechanically inspected. Potential applications include computers, medical electronics, power supplies, industrial controls, infotech, and test equipment.

3106 Series

Features: Gold alloy contacts, Hermetically sealed, Tight tolerances, Tight differentials, Pre-set and tamper proof, SPST contacts, Wide variety of mounting brackets and terminals.

Benefits: Gold alloy contacts for low voltage applications. Designed to meet or exceed critical commercial and industrial specifications. Temperature calibrations pre-set at factory. Each unit 100% thermally and mechanically inspected. Potential applications include computers, medical electronics, power supplies, industrial controls, infotech, and test equipment.

3150 Series

Features: Low silhouette and compact design, Hermetically sealed, Tight tolerances, Tight differentials, Pre-set and tamper proof, SPST contacts, Wide variety of mounting brackets and terminals.

Benefits: Low silhouette and compact design may be well suited for potential applications including industrial, food service, telecom, medical, and infotech where space is at a premium. Temperature calibrations pre-set at factory. Each unit 100% thermally and mechanically inspected.

3153 Series

Features: Low silhouette and compact design, Hermetically sealed, Tight tolerances, Tight differentials, Pre-set and tamper proof, SPST contacts, Wide variety of mounting brackets and terminals.

Benefits: Acceptance testing performed in accordance to Mil-PRF-24236, Table III. Temperature calibrations pre-set at factory. Each unit 100% thermally and mechanically inspected. Low silhouette and compact design may be well suited for potential military and commercial aircraft applications where space is at a premium.

3156 Series

Features: Low silhouette and compact design, Gold alloy contacts, Hermetically sealed, Tight tolerances, Tight differentials, Pre-set and tamper proof, SPST contacts, Wide variety of mounting brackets and terminals.

Benefits: Gold alloy contacts for potential low voltage applications. Temperature calibrations pre-set at factory. Each unit 100% thermally and mechanically inspected. Low silhouette and compact design may be well suited for potential applications including industrial, food service, telecom, medical, and infotech where space is at a premium.

3200 Series

Features: NASA certified, Space qualified, Hermetically sealed, Tight tolerances, Tight differentials, Pre-set and tamper proof, SPST contacts, Wide variety of mounting brackets and terminals available.

Benefits: Temperature calibrations pre-set at factory. Each unit 100% thermally and mechanically inspected. Designed to meet or exceed military and aerospace specifications for spaceflight use, including temperature stability, shock, vibration, and cleanliness.

Specifications Summary

aerospace
Series Use Reset Type Housing Material Functional Property Amperage Operating Temperature Range Environmental Exposure Range Contacts Approvals
2450A heat detection automatic phenolic, epoxy seal cap and terminals open or close on rise 3 A 47 °C to 107 °C [117 °F to 225 °F] 0 °C to 150 °C [32 °F to 302 °F] WE-1 gold alloy cross point UL
2450CM high current manual ceramic open on rise 15 A/10 A 52 °C to 232 °C [125 °F to 450 °F] 10 °C to 260 °C [50 °F to 500 °F] silver/nickel alloy UL, CSA, VDE
2450CMG low current automatic ceramic open on rise 0.5 A 0 °C to 150 °C [32 °F to 302 °F] 10 °C to 260 °C [50 °F to 500 °F] WE-1 gold alloy cross point UL, CSA, VDE
2450HR high current automatic phenolic open or close on rise 15 A/10 A 0 °C to 150 °C [32 °F to 302 °F] -18 °C to 177 °C [0 °F to 350 °F] silver/nickel alloy UL, CSA, VDE
2450HRG low current automatic phenolic open on rise 0.5 A 52 °C to 232 °C [125 °F to 450 °F] -18 °C to 177 °C [0 °F to 350 °F] WE-1 gold alloy cross point UL, CSA
2450R high current automatic phenolic open or close on rise 15 A/10 A 0 °C to 150 °C [32 °F to 302 °F] -18 °C to 177 °C [0 °F to 350 °F] silver/nickel alloy UL, CSA
2450RC high current automatic ceramic open or close on rise 15 A/10 A 0 °C to 260 °C [32 °F to 500 °F] -20 °C to 287 °C [0 °F to 550 °F] silver/nickel alloy UL, CSA, VDE
2450RCG low voltage automatic ceramic open or close on rise 0.5 A 0 °C to 260 °C [32 °F to 500 °F] -20 °C to 287 °C [0 °F to 550 °F] WE-1 gold alloy cross point UL, CSA, VDE
2450RG low voltage automatic phenolic open or close on rise 0.5 A 0 °C to 150 °C [32 °F to 302 °F] -18 °C to 177 °C [0 °F to 350 °F] WE-1 gold alloy cross point UL, CSA
2455R high current automatic phenolic open or close on rise 15 A/10 A 0 °C to 150 °C [32 °F to 302 °F] -18 °C to 177 °C [0 °F to 350 °F] silver/nickel alloy UL, CSA, VDE
2455RA heat detection automatic phenolic, epoxy seal cap and terminals close on rise 3 A 47 °C to 107 °C [117 °F to 225 °F] 0 °C to 150 °C [32 °F to 302 °F] WE-1 gold alloy cross point UL
2455RBV high current automatic ceramic, epoxy overmold open or close on rise 15 A/10 A -12 °C to 105 °C [10 °F to 250 °F] -18 °C to 121 °C [0 °F to 250 °F] silver/nickel alloy UL, CSA, VDE
2455RC high current automatic phenolic open on rise 15 A/10 A 0 °C to 260 °C [32 °F to 500 °F] -20 °C to 287 °C [0 °F to 550 °F] silver/nickel alloy UL, CSA, VDE
2455RG low voltage automatic phenolic open or close on rise 0.5 A 0 °C to 150 °C [32 °F to 302 °F] -18 °C to 177 °C [0 °F to 350 °F] WE-1 gold alloy cross point UL, CSA, VDE
2455RM high current manual phenolic open on rise 15 A/10 A 0 °C to 150 °C [32 °F to 302 °F] (inclusive) -18 °C to 260 °C [0 °F to 500 °F] silver/nickel alloy UL, CSA, VDE
3000 custom packaged N/A stainless steel or brass N/A 7.0 A resistive -29 °C to 260 °C [-20 °F to 500 °F] -62 °C to 288 °C [-80 °F to 550 °F] N/A N/A
3100 hermetic N/A steel housing hermetically sealed with glass-to-metal seal at terminal junction N/A 2.0 A/1.0 A/5.0 A/5.0 A -29 °C to 260 °C [-20 °F to 500 °F] -62 °C to 288 °C [-80 °F to 550 °F] N/A N/A
3100U UL-approved hermetic N/A steel housing hermetically sealed with glass-to-metal seal at terminal junction N/A 3.0 A resistive max. -29 °C to 260 °C [-20 °F to 500 °F] -62 °C to 288 °C [-80 °F to 550 °F] N/A N/A
3106 low level hermetic N/A steel housing hermetically sealed with glass-to-metal seal at terminal junction N/A 100 mA/500 mA -29 °C to 204 °C [-20 °F to 400 °F] -62 °C to 260 °C [-80 °F to 500 °F] N/A N/A
3150 low silhouette hermetic N/A steel housing hermetically sealed with glass-to-metal seal at terminal junction N/A 2.0 A/1.0 A/2.0 A/2.0 A -29 °C to 177 °C [-20 °F to 350 °F] -54 °C to 260 °C [-65 °F to 500 °F] N/A N/A
3153 low silhouette hermetic N/A steel housing hermetically sealed with glass-to-metal seal at terminal junction N/A 2.0 A resistive -29 °C to 177 °C [-20 °F to 350 °F] -65 °C to 260 °C [-85 °F to 500 °F] N/A N/A
3156 low level, silhouette hermetic N/A steel housing hermetically sealed with glass-to-metal seal at terminal junction N/A 100 mA/500 mA -29 °C to 204 °C [-20 °F to 400 °F] -62 °C to 260 °C [-80 °F to 500 °F] N/A N/A
3200 N/A steel housing hermetically sealed with glass-to-metal seal at terminal junction N/A 5.0 A resistive -51 °C to 163 °C [-60 °F to 325 °F] -65 °C to 177 °C [-85 °F to 350 °F] N/A N/A

Warranty and Disclaimer

Honeywell warrants goods of its manufacture as being free of defective materials and faulty workmanship. Honeywell's standard product warranty applies unless agreed to otherwise by Honeywell in writing; please refer to your order acknowledgement or consult your local sales office for specific warranty details. If warranted goods are returned to Honeywell during the period of coverage, Honeywell will repair or replace, at its option, without charge those items it finds defective. The foregoing is buyer's sole remedy and is in lieu of all warranties, expressed or implied, including those of merchantability and fitness for a particular purpose. In no event shall Honeywell be liable for consequential, special, or indirect damages.

While Honeywell provides application assistance personally, through its literature and the Honeywell web site, it is up to the customer to determine the suitability of the product in the application. Specifications may change without notice. The information supplied is believed to be accurate and reliable as of this printing. However, Honeywell assumes no responsibility for its use.

Safety Warnings

WARNING: PERSONAL INJURY

WARNING: MISUSE OF DOCUMENTATION

Contact Information

For more information about Sensing and Control products, visit www.honeywell.com/sensing or call +1-815-235-6847. Email inquiries to info.sc@honeywell.com.

Sensing and Control
Automation and Control Solutions
Honeywell
1985 Douglas Drive North
Golden Valley, MN 55422 USA
+1-815-235-6847
www.honeywell.com/sensing

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