Honeywell 2450A, 2450HR, 2450CM User Manual
Thermostats
Line Guide
Precision engineering. Commercial sense. 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
FEATURES
COMMERCIAL THERMOSTATS
2450A Series.
Features: Cost effective • Gold alloy
contacts • Epoxy-sealed cap and
terminals • Wide variety of terminals
• Only a stepped aluminum cap - 15’
spacing, 1” collector for 30’ spacing, and
a 1.5” collector for 50’ spacing. Collector
brackets available per UL
Benets: 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. Available with or without
heat collectors. Potential for use in
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
Benets: 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
Benets: 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.
mounting brackets and terminal options — while our precision
line includes both hermetic and non-hermetic devices. And
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. It makes sense to trust industry-leading engineering
and innovation.
2450HR Series.
Features: Cost effective • Rivet sleeve
construction • Factory calibrated • Wide
variety of mounting brackets and terminals
Benets: Small size allows enhanced
response to temperature changes. Factory
calibrated to customer’s specs. 4-posted
“H” construction for application mounting
bracket. 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
Benets: Small product size allows
enhanced response to temperature
changes. Factory calibrated to customer’s
specification. 4-posted “H” construction
for application mounting bracket.
Gold alloy contacts for low voltage HVAC,
major appliance, automotive, heat/smoke
detectors and copy machine potential
applications.
www.honeywell.com/sensing 1
continued on page 7
Thermostats Line Guide
Well over 5,000 reasons to
choose Honeywell.
With over 5,000 quality
components in our thermostat
line, we meet any domestic
or international need for
commercial or precision snapaction solutions.
Commercial thermostats:
You’ll find Honeywell quality
in a wide array of small
and major appliances,
automotive applications, office
copy machines and HVAC
equipment, plus heat and
smoke detectors. Whether
it’s military or aerospace
industries, or your office
building, each Honeywell S&C
thermostat can be designed
to offer the performance and
reliability you demand, and the
service you need.
Commercial
Thermostats
Use heat detection high current low voltage
Reset type automatic manual manual
Housing material
Functional property open or close on rise open on rise open on rise
Amperage 3 A 15 A/10 A 0.5 A
Operating temperature range
Environmental exposure range
Contacts
Approvals UL UL, CSA, VDE UL, CSA, VDE
2450A Series 2450CM Series 2450CMG Series
phenolic, epoxy seal cap
and terminals
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
ceramic ceramic
52 °C to 232 °C
[125 °F to 450 °F]
10 °C to 260 °C
[50 °F to 500 °F]
silver/nickel alloy
52 °C to 232 °C
[125 °F to 450 °F]
10 °C to 260 °C
[50 °F to 500 °F]
WE-1 gold alloy cross
point
Precision thermostats:
A highly reliable lineup
for potential high-end
applications, including
computers, copy machines,
aircraft, radar, medical
equipment and electronic
control systems — each
designed to meet the most
stringent environmental
conditions for dielectric
strength, moisture, resistance,
vibration, shock and hermetic
seal. And S&C offers custompackaged thermostats for
complete application flexibility.
2 www.honeywell.com/sensing
Commercial
Thermostats
2450HR Series 2450HRG Series 2450R Series
Use high current low current high current
Reset type automatic automatic automatic
Housing material phenolic phenolic phenolic
Functional property open or close on rise open on rise open or close on rise
Amperage 15 A/10 A 0.5 A 15 A/10 A
Operating temperature range
Environmental exposure range
Contacts silver/nickel alloy
Approvals UL, CSA UL, CSA UL, CSA
0 °C to 150 °C
[32 °F to 302 °F]
-18 °C to 177 °C
[0 °F to 350 °F]
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
0 °C to 150 °C
[32 °F to 302 °F]
-18 °C to 177 °C
[0 °F to 350 °F]
silver/nickel alloy
Commercial
Thermostats
2450RC Series 2450RCG Series 2450RG Series
Use high current low voltage low voltage
Reset type automatic automatic automatic
Housing material ceramic ceramic phenolic
Functional property open or close on rise open or close on rise open or close on rise
Amperage 15 A/10 A 0.5 A 0.5 A
Operating temperature range 0 °C to 260 °C [32 °F to 500 °F] 0 °C to 260 °C [32 °F to 500 °F] 0 °C to 150 °C [32 °F to 302 °F]
Environmental exposure range -20 °C to 287 °C [0 °F to 550 °F] -20 °C to 287 °C [0 °F to 550 °F] -18 °C to 177 °C [0 °F to 350 °F]
Contacts silver/nickel alloy WE-1 gold alloy cross point WE-1 gold alloy cross point
Approvals UL, CSA, VDE UL, CSA, VDE UL, CSA
Commercial
Thermostats
2455R Series 2455RA Series 2455RVB Series
Use high current heat detection high current
Reset type automatic automatic automatic
Housing material phenolic phenolic, epoxy seal cap and terminals ceramic, epoxy overmold
Functional property open or close on rise close on rise open or close on rise
Amperage 15 A/10 A 3 A 15 A/10 A
Operating temperature range 0 °C to 150 °C [32 °F to 302 °F] 47 °C to 107 °C [117 °F to 225 °F] -12 °C to 105 °C [10 °F to 250 °F]
Environmental exposure range -18 °C to 177 °C [0 °F to 350 °F] 0 °C to 150 °C [32 °F to 302 °F] -18 °C to 121 °C [0 °F to 250 °F]
Contacts silver/nickel alloy WE-1 gold alloy cross point silver/nickel alloy
Approvals UL, CSA, VDE UL UL, CSA, VDE
www.honeywell.com/sensing 3
Loading...