The 1NT 1/2 Inch Fixed Temperature Thermostat, Open 50C, Close 39C 1NT01L-7934 from Sensata is a single-throw, snap-action, fixed temperature thermostat suitable for a variety of industrial and commercial applications.
Based on its configuration and use, 1NT is recognized by agencies all over the globe. It is widely used as a controlling thermal switch, over-temperature control, or pilot duty control switch.
Features
- Switch actions:
- Automatic reset: Available with both normally open and normally closed switch logic
- Manual reset: Mechanical reset device
- Trip free manual reset: UL M2 class rating that resists consumer tampering
- One shot: Meets agency requirements for single operation device
- 1NT base provides:
- Low cost
- High temperature capability
- Clean processing
- High impact strength
- Low static generation
- Many termination and mounting configurations available
- ISO9001: 2000 certification
- Ambient temperature rating from -40 ºC to 240 ºC (-40 ºF to 464 ºF)
Specifications
Agency Approvals and Certifications
Table 1. Source: Sensata Technologies, Inc.
UL and C-UL
| Type |
Max. Temp.
°C |
Max. Temp.
°F |
Cycles
(X 1000) |
Electrical Rating |
Electrical Rating |
| 1NT01, 02 |
204 |
400 |
100 |
120 Vac
240 Vac
277 Vac |
0 - 9 amps
10 - 17 amps*
0 - 5 amps
6 - 17 amps*
7.2 amps |
| 1NT08, 15, 08E** |
204 |
400 |
1 + 5 |
240 Vac |
25 amps |
| 1NT09, 10 |
204 |
400 |
1-Shot |
240 Vac
277 Vac |
25 amps
7.2 amps |
| 1NT11, 20 |
204 |
400 |
100 |
125 VA
30 Vdc |
1 amp |
| 1NT12, 19 |
204 |
400 |
1 + 5 |
125 VA |
|
| 1NT01E, 02E** |
204 |
400 |
100 |
120 Vac |
10 amps |
* UL rated at these current levels at specific open/close temperatures. When applying to these electrical levels, nominal open/close temperatures must be considered to determine if the thermostat selected will operate as intended in the user’s application. Please consult a Sensata Engineer for additional clarification.
** “E” means exposed disc.
Agency Approvals and Certifications
Table 2. Source: Sensata Technologies, Inc.
ENEC (DEKRA)
| Type |
Max Temp
°C |
Cycles |
Electrical Rating |
| 1NT01/02 |
204 |
100.000
30.000
30.000 |
240 Vac 13.5(1.66) A
240 Vac 16(5) A
400 Vac 4(1) A |
| 1NT02T |
204 |
1 |
240 Vac 16(5) A |
| 1NT08 |
204 |
10.000
10.000 |
240 Vac 16(5) A
400 Vac 4(1) A |
| 1NT09 |
204 |
1 |
240 Vac 16(5) A |
| 1NT11 |
204 |
100.000 |
30 Vdc 1 A |
| 1NT12 |
204 |
10.000 |
30 Vdc 1 A |
| 1NT15 |
204 |
10.000 |
240 Vac 16(5) A |
| 1NT20 |
204 |
100.000 |
30 Vdc 1 A |
| 1NT30 |
204 |
10.000 |
30 Vdc 1 A |
| 1NT31 |
204 |
10.000 |
30 Vdc 1 A |
* Parenthesis indicate inductive load ratings.
** ENEC rated at these current levels at specific open/close temperatures. When applying to these electrical levels, nominal open/close temperatures must be considered to determine if the thermostat selected will operate as intended in the user’s application. Please consult a Sensata Engineer for additional clarification.