# Sensata-Airpax Circuit Breaker Numbering

**URL:** <https://forum.digikey.com/t/sensata-airpax-circuit-breaker-numbering/507>\
**Category:** Circuit Protection\
**Tags:** sensata-airpax, part-numbering, circuit-protection, power\
**Created:** [September 4, 2017, 6:25pm UTC](https://forum.digikey.com/t/sensata-airpax-circuit-breaker-numbering/507 "2017-09-04T18:25:38Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Robert\_Fay](https://sea2.discourse-cdn.com/digikey/user_avatar/forum.digikey.com/robert_fay/32/6529_2.png) [@Robert\_Fay](https://forum.digikey.com/u/Robert_Fay)\
**Post date:** [September 4, 2017, 6:25pm UTC](https://forum.digikey.com/t/sensata-airpax-circuit-breaker-numbering/507/1 "2017-09-04T18:25:38Z")

</div>

Below is a part number breakdown / decision table provided by Sensata-Airpax for their [IAG](https://www.digikey.com/en/products/filter/circuit-breakers/143?s=N4IgjCBcoLQdIDGUBmBDANgZwKYBoQB7KAbRAHYAmAZhAF0BfAmAFilGUnW3yNJGoA2AJwtB9BkxCV%2BuAHZY0AFzQSgA)/[IUG](https://www.digikey.com/en/products/filter/circuit-breakers/143?s=N4IgjCBcoLQdIDGUBmBDANgZwKYBoQB7KAbRAHYAmAZhAF0BfAmAFilGUnW3yNJEo1qATnoMmA-rgB2WNABc0YoA)/[IEG](https://www.digikey.com/en/products/filter/circuit-breakers/143?s=N4IgjCBcoLQdIDGUBmBDANgZwKYBoQB7KAbRAHYAmAZhAF0BfAmAFilGUnW3yNJBYAGAJyV6DJiDGQyuAHZY0AFzT0CAVnYgADlHUFtuyJXUSgA)/[CEG](https://www.digikey.com/en/products/filter/circuit-breakers/143?s=N4IgjCBcoLQdIDGUBmBDANgZwKYBoQB7KAbRAHYAmAZhAF0BfAmAFilGUnW3yNJGoA2AJwtK9BkxDjIZXADssaAC5oJQA)/[IDG](https://www.digikey.com/en/products/filter/circuit-breakers/143?s=N4IgjCBcoLQdIDGUBmBDANgZwKYBoQB7KAbRAHYAmAZhAF0BfAmAFilGUnW3yNJGoA2AJwty9BkxCV%2BuAHZY0AFzQSgA) series of Circuit Breakers.

[![image](https://global.discourse-cdn.com/digikey/original/1X/d522d02c2153d39aea1e0b82d56dba482ff7f8a3.png)](https://forum.digikey.com/t/sensata-technologies-airpax-circuit-breaker-numbering/507#1)[![image](https://global.discourse-cdn.com/digikey/original/1X/3451c5293a0bb421db779d5bce24bf37a2c4faa8.png)](https://forum.digikey.com/t/sensata-technologies-airpax-circuit-breaker-numbering/507#2)[![image](https://global.discourse-cdn.com/digikey/original/1X/aebc4cf56108e4c2de46b85b2ca233a4a233ce56.png)](https://forum.digikey.com/t/sensata-technologies-airpax-circuit-breaker-numbering/507#3)[![image](https://global.discourse-cdn.com/digikey/original/1X/19cb0f99e0efec216211eb81f484ed8575670ce2.png)](https://forum.digikey.com/t/sensata-technologies-airpax-circuit-breaker-numbering/507#4)[![image](https://global.discourse-cdn.com/digikey/original/1X/9135b7d93fa9a5fbc58a494b0750bb3eb5244020.png)](https://forum.digikey.com/t/sensata-technologies-airpax-circuit-breaker-numbering/507#5)[![image](https://global.discourse-cdn.com/digikey/original/1X/ed78cd9af0b1f14540184ef623c1ff55400e8553.png)](https://forum.digikey.com/t/sensata-technologies-airpax-circuit-breaker-numbering/507#6)[![image](https://global.discourse-cdn.com/digikey/original/1X/06e0634e7d5ddea26abe1a1177d91a557c214d66.png)](https://forum.digikey.com/t/sensata-technologies-airpax-circuit-breaker-numbering/507#7)

### Section 1) Type

 ![image](https://global.discourse-cdn.com/digikey/original/1X/7d57753b705e5d5e248078bbb1313ec03d18e7ab.png)

### Section 2) Poles and Terminals

![image](https://global.discourse-cdn.com/digikey/original/1X/43ffa4bcc4baf3c8d13d533d72cd4069faf0a408.png)

### Section 3) Internal Configuration

 ![image](https://global.discourse-cdn.com/digikey/original/1X/e9b2a83ee61912edbf9e1e9ada85c594da9da5af.png)

### Section 4) Frequency and Delay

 ![image](https://global.discourse-cdn.com/digikey/original/1X/c9c19af06cc991bb57dab7fa3052dff8cf0ba5a0.png)

### Section 5) Rated Current

![image](https://global.discourse-cdn.com/digikey/original/1X/d7059b27061002057c11ce2443bf30a88ee029fa.png)

### Section 6) Optional

 ![image](https://global.discourse-cdn.com/digikey/original/1X/0393a0901e34eb179f43320c8a2870256e5ecd5a.png)

### Section 7)

- Handle Color and Marking Selection  
 ![image](https://global.discourse-cdn.com/digikey/original/1X/9b2745ac36cce01e1b61eaebe830360486a4673b.png)
- Rocker Handle Color, Indications Color and Marking Selection  
 ![image](https://global.discourse-cdn.com/digikey/original/1X/163c3e639cc35b371933ce69bb8a8f722db0a725.png)

### Additional Suffix C or V

![image](https://global.discourse-cdn.com/digikey/original/1X/3bc218df8f336e839bc44a38c11da5e63ec98e30.png)  
 ![image](https://global.discourse-cdn.com/digikey/original/1X/77f82c53cec4d9274e63708a96e44bcd2eb6d7fa.png)