Thermostat User Manual
6  www.honeywell.com/sensing
Thermostats Line Guide
3150 Series 3153 Series 3156 Series 3200 Series
Description low silhouette hermetic low silhouette hermetic low level, silhouette hermetic aerospace
Amperage 2.0 A/1.0 A/2.0 A/2.0 A 2.0 A resistive 100 mA/500 mA 5.0 A resistive
Housing material
steel housing hermetically 
sealed with glass-to-metal 
seal at terminal junction
steel housing hermetically 
sealed with glass-to-metal 
seal at terminal junction
steel housing hermetically 
sealed with glass-to-metal seal 
at terminal junction
steel housing hermetically 
sealed with glass-to-metal seal 
at terminal junction
Operating temperature
-29 °C to 177 °C 
[-20 °F to 350 °F]
-29 °C to 177 °C 
[-20 °F to 350 °F]
-29 °C to 204 °C 
[-20 °F to 400 °F]
-51 °C to 163 °C 
[-60 °F to 325 °F]
Environmental exposure range
-54 °C to 260 °C 
[-65 °F to 500 °F]
-65 °C to 260 °C 
[-85 °F to 500 °F]
-62 °C to 260 °C 
[-80 °F to 500 °F]
-65 °C to 177 °C 
[-85 °F to 350 °F]
Dielectric strength
MIL-STD-202, Method 301; 
750 Vac 60 Hz - 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
MIL-STD-202, Method 301; 
1250 Vac
Insulation resistance
MIL-STD-202, Method 302; 
Cond. B - 500 MOhm - 500 
Vdc applied
MIL-STD-202, Method 302; 
500 MOhm
MIL-STD-202, Method 302; 
Cond. B - 500 MOhm - 500 Vdc 
applied
MIL-STD-202, Method 302; 
500 MOhm
Contact resistance
MIL-STD-202, Method 307; 
0.050 Ohm
MIL-STD-202, Method 307; 
0.050 Ohm max.
MIL-STD-202, Method 307; 
0.050 Ohm
MIL-STD-202, Method 307; 
0.025 Ohm max.
Hermetic seal
MIL-STD-202, Method 112; 
Cond. 1 x 10-5
MIL-STD-202, Method 112; 
Cond. C
MIL-STD-202, Method 112; 
Cond. 1 x 10-5
MIL-STD-202, Method 112; 
Cond. C
Moisture resistance MIL-STD-202, Method 106 MIL-STD-202, Method 106 MIL-STD-202, Method 106 MIL-STD-202, Method 106
Shock N/A
MIL-STD-202, Method 213; 
100 G
N/A
MIL-STD-202, Method 213; 
750 G 
Vibration N/A
MIL-STD-202, Method 204; 
20 G
N/A
MIL-STD-202, Method 204; 
30 G: MIL-STD-202, Method 
214; 50 G 
Thermal shock N/A
MIL-STD-202, Method 107; 
Cond. B
N/A
MIL-STD-202, Method 107; 
Cond. B
Salt spray N/A
MIL-STD-202, Method 101; 
Cond. B
N/A
MIL-STD-202, Method 101; 
Cond. B
Acceleration N/A N/A N/A
MIL-STD-202, Method 212; 
20 G
Precision 
Thermostats










