Thermostats – Precision

Bi-metallic, snap-action, SPST thermostats, Hermetic/nonhermetic devices available. Enhanced reliability versions meet stringent requirements of military and aerospace industries for dielectric strength, moisture, resistance, vibration, and shock. Available in low profile, logic level, and automatic reset.

Commercial Thermostats

 2455RBv2450R_2450RCH_2455R_2455RC_2467RC_2467RCH2450R2450R_2455R2450R_fully_sealed
Series2455RBV Overmolded Automatic Reset Thermostate2450R/2450RCH/ 2455R/2455RC/ 2467RC/2467RCH “One-shot” 1/2 in Thermostate2450R Annualar Ring Cap Automatic Reset Thermostate2450R/2455R Protected Thermostate2450R Fully Sealed Thermostate
Reset Typeautomaticnoneautomaticautomaticautomatic
Amperage15 A resistive max.15 A resistive max.15 A resistive, 12 Vdc15 A resistive, 12 Vdc15 A resistive, 12 Vdc
Housing Materialceramic or phenolic, epoxy overmoldceramic or phenolic, with or without epoxy-sealed cap and terminalphenolic, can be partially or totally sealed against water ingressbrass, aluminium, stainless steel and epoxyphenolic housing, aluminium cap totally encapsulated in water-resistant epoxy
Operating Temperature Range-12 °C to 105 °C
[10 °F to 221 °F]

52 °C to 260 °C (ceramic)
[125 °F to 500 °F]

52 °C to 150 °C (phenolic)
[125 °F to 302 °F]

-10 °C to 55 °C
[14 °F to 131 °F]
15 °C to 130 °C
[59 °F to 266 °F]
-10 °C to 55 °C
[14 °F to 131 °F]
Environmental Exposure Range-18 °C to 121 °C
[0 °F to 250 °F]

-18 °C to 316 °C (ceramic)
[0 °F to 600 °F]

-18 °C to 150 °C (phenolic)
[0 °F to 302 °F]

-40 °C to 130 °C
[-40 °F to 266 °F]
-40 °C to 155 °C
[-40 °F to 311 °F]
-40 °C to 130 °C [-40 °F to 266 °F]
Life Cycle Cabability300k at 12 Vdc, 10 A300 K at 12 Vdc, 10 A
Low
Temperature Differential
down to 8 °C [46 °F]down to 8 °C [46 °F]

Hermetic Thermostats

 3001_30043100_31063150_31563600_360130003800
Series3001/3004 Non-Hermetic Thermostate3100/3106 Hermetic Thermostate3150/3156 Low Silouhette Hermetic Thermostate3600/3601 TO-5 Thermal Switches3000 Custom-packaged Thermostate3800 Industrial-grade Thermostats for Severe Duty Applications
Amperage1 A to 3 A (3100, 3100U Series)
2 A to 4 A (3400 series)
0.5 A resistive (3106 Series)
7 A resistive (3100 Series)
0.5 A resistive (3156 Series)
7 A resistive (3150 Series)
1 A resistive7 A resistive7 A resistive
Housing
Material
phenolic base with metal closuresteel housing with glass-to-metal
seal at terminal junktion
steel housing with glass-to-metal
seal at terminal junktion
nickelstainless steel or brasssteel housing with glass-to-metal
seal at terminal junktion

Operating Temperature
Range

-18 °C to 168 °C
[0 °F to 335 °F]
-29 °C to 260 °C
[-20 °F to 500 °F]
(3100 Series)
-29 °C to 204 °C
[-20 °F to 400 °F]
(3106 Series)
-29 °C to 177 °C
[-20 °F to 350 °F]

40 °C to 120 °C
[104 °F to 248 °F]

-29 °C to 260 °C
[-20 °F to 500 °F]
-29 °C to 260 °C
[-20 °F to 500 °F]
Environmental Exposure
Range
-18 °C to 177 °C
[0 °F to 350 °F]
-62 °C to 288 °C
[-80 °F to 550 °F]
-62 °C to 260 °C
[-80 °F to 500 °F]
-50 °C to 150 °C
[-58 °F to 302 °F]
-62 °C to 288 °C
[-80 °F to 550 °F]
-62 °C to 260 °C
[-80 °F to 500 °F]
Dielectric StrengthMIL-STD-202, Method 301
1500 Vac 60 Hz terminal to case
(2000 Vac 3400)
MIL-STD-202, Method 301
1250 Vac 60 Hz terminal to case
(3100, 3100U, 3106 Series)
1500 Vac 60 Hz terminal to case
(3100UX Series)
MIL-STD-202, Method 301
750 Vac 60 Hz terminal to case
(3150, 3156 Series)
1250 Vac 60 Hz terminal to case
(3150U, 3156U Series)
1500 Vac 60 Hz terminal to case
(3150UX Series)
500 Vac 60 Hz for one second
terminal to case
MIL-STD-202, Method 301
1250 Vac 60 Hz terminal to case
MIL-STD-202, Method 301
1250 Vac 60 Hz terminal to case
Insulation
Resistance
MIL-STD-202, Method 302,Cond. B,
500 MΩ, 500 Vdc applied
MIL-STD-202, Method 302, Cond. B
50 MΩ 500 Vdc applied
MIL-STD-202, Method 302,Cond. B,
500 MΩ, 500 Vdc applied
20 mΩ at 500 VdcMIL-STD-202, Method 302,
50 MΩ to 500 MΩ
MIL-STD-202, Method 302,Cond. B,
50 MΩ terminal to case
Contact ResistanceMIL-STD-202, Method 307 50 mΩMIL-STD-202, Method 307
25 mΩ (3106 Series)
50 mΩ (3100 Series)
MIL-STD-202, Method 307
25 mΩ (3156 Series)
50 mΩ (3150 Series)
60 mΩMIL-STD-202, Method 307
50 mΩ max.
MIL-STD-202, Method 307
50 mΩ max.
Hermetic SealMIL-STD-202, Method 112,Cond. A,
1×10-5 atm cc/s
MIL-STD-202, Method 112,Cond. A,
1×10-5 atm cc/s
MIL-STD-202, Method 112,Cond. A,
1×10-5 atm cc/s
1×10-3 atm cc/sMIL-STD-202, Method 112,Cond. A,
1×10-5 atm cc/s
MIL-STD-202, Method 112,Cond. A,
1×10-5 atm cc/s
Moisture ResistanceMIL-STD-202, Method 106MIL-STD-202, Method 106MIL-STD-202, Method 106MIL-STD-202, Method 106MIL-STD-202, Method 106

Precision Thermostats

 3450R_3450HR_3455R3450RC_3450RCH_3455RC3450CM_3455RM3455RBV
Series3450R/3450HR/
3455R Phenolic Automatic Reset Thermostats
3450RC/3450RCH/
3455RC Ceramic Automatic Reset Thermostats
3450CM/3455RM Ceramic and Phenolic Manual Reset Thermostats3455RBV Overmolded Automatic Reset Thermostats3450R/ 3450RC/ 3450RCH/ 3455R/3455RC “One-shot” 1/2 in Thermostate
Reset Typeautomaticautomaticmanualautomaticnone
Amperage15 A resistive max.15 A resistive max.15 A resistive max.15 A resistive max.15 A resistive max.
Housing Materialphenolicceramicceramic or phenolicceramic, epoxy overmoldceramic or phenolic, with or without epoxy-sealed cap and terminals
Operating Temperature Range0 °C to 150 °C
[32 °F to 302 °F]
0 °C to 260 °C
[32 °F to 500 °F]
52 °C to 232 °C
[125 °F to 450 °F]
(ceramic)
52 °C to 150 °C
[125 °F to 302 °F]
(phenolic)
-12 °C to 105 °C
[10 °F to 221 °F]
-18 °C to 121 °C
[0 °F to 250 °F]
52 °C to 260 °C [125 °F to 500 °F] (ceramic)
52 °C to 150 °C [125 °F to 302 °F] (phenolic)
Environmental Exposure Range0 °C to 150 °C
[32 °F to 302 °F]
-20 °C to 287 °C
[0 °F to 550 °F]
10 °C to 260 °C
[50 °F to 500 °F]
(ceramic)
10 °C to 150 °C
[50 °F to 302 °F]
(phenolic)
-18 °C to 287 °C [0 °F to 550 °F] (ceramic)
-18 °C to 150 °C [0 °F to 302 °F] (phenolic)

Thermal Cutoffs

 d-seriesrd-series
SeriesD-SeriesRD-Series
Housingsilver-plated brassceramic
Operating Temperature72 °C to 240 °C [162 °F to 464 °F]72 °C to 240 °C [162 °F to 464 °F]

We are looking forward to a good cooperation with you!


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