# Difference Between 6026136 and 6026137 from SICK, Inc

**URL:** <https://forum.digikey.com/t/difference-between-6026136-and-6026137-from-sick-inc/64173>\
**Category:** Automation and Control\
**Tags:** part-comparison, sick-inc, safety-products, machine-safety\
**Created:** [January 14, 2026, 9:01pm UTC](https://forum.digikey.com/t/difference-between-6026136-and-6026137-from-sick-inc/64173 "2026-01-14T21:01:26Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![shawn\_adams](https://sea2.discourse-cdn.com/digikey/user_avatar/forum.digikey.com/shawn_adams/32/25203_2.png) [@shawn\_adams](https://forum.digikey.com/u/shawn_adams)\
**Post date:** [January 14, 2026, 9:01pm UTC](https://forum.digikey.com/t/difference-between-6026136-and-6026137-from-sick-inc/64173/1 "2026-01-14T21:01:26Z")

</div>

We are frequently asked the difference between these parts, as they look nearly identical, as seen in the side-by-side comparison below.

 ![image](https://global.discourse-cdn.com/digikey/original/3X/0/4/04518241ddce19e8e874acf3c33fccaab2456113.png)

The datasheets show that the primary difference between these two parts is the delay time, with the [6026137(1882-6026137-ND)](https://www.digikey.com/en/products/detail/sick-inc/6026137/21742639) having a delay time of 0-50s and the [6026136(1882-6026136-ND)](https://www.digikey.com/en/products/detail/sick-inc/6026136/21757401) having a delay time of 0-5s.

Datasheets:  
[6026137](https://www.sick.com/media/pdf/2/72/572/dataSheet_UE410-MU3T50_6026137_en.pdf)  
[6026136](https://www.sick.com/media/pdf/1/71/571/dataSheet_UE410-MU3T5_6026136_en.pdf)