This Klixon snap–acting disc type control is designed to provide crisp, positive switching action. The 4391 is the most versatile of the Klixon precision thermostats with its available SPST or DPDT switching, automatic or manual reset, and overmold options.
For more information, see the page of free drawings
available for download.
PERFORMANCE Contact Ratings (resistive, automatic reset)
30 VAC/DC |
125 VAC |
250 VAC |
Life Cycles |
Amperes |
10 |
4 |
2 |
100,000 |
11 |
6 |
3 |
50,000 |
12 |
8 |
4 |
25,000 |
13 |
10 |
5 |
10,000 |
14 |
12 |
6 |
5,000 |
Based on standard differential
Dielectric Strength |
1250 VAC, rms, 60 cycles for 1 minute |
Vibration Resistance |
Standard Construction : 5–500 Hz, 3G |
High Vibration Construction : 5–500 Hz. 5G |
Hermeticity |
1 X 10-5 atm cc/second maximum |
Weight |
Without overmold : 21 grams (average) |
With overmold : 56 grams (average) |
TEMPERATURE
Ambient Temperature Range
Non-Overmold: -65°F to 450°F (-53.9°C to +232.2°C)
Silicone Overmold: -60°F to 400°F (-51.1°F to +204.4°C)
Operating Temperature Range
Non-Overmold: 0°F to 450°F (-17.8°C to +232.2°C)
Silicone Overmold: 0°F to 400°F (-17.8°C to +232.2°C)
