Relay selection guide

For easy selection of the correct relay for your application first select the functionality below.
You will scroll down automatically to the relay group of your choice.The next step is defining the number of contacts and rated current.
Click on the relay series of your choice for more information.

Explanation about the different relay platforms

Click here to read a detailed explanation about the different available relay platforms.

Select the relay functionality:

• Instantaneous
• Latching
• Timer
• Timer & Instantaneous
• Timer & Monitoring
• 1-Shot
• 1-Shot & Instantaneous
• 2-Shot
• Flashing
• Monitoring

Instantaneous Relays

Latching relays

Timer relays

¹ Delay on pull-in

² Delay on drop-out

Timer & Instantaneous relays

¹ Delay on pull-in

² Delay on drop-out

Timer & Monitoring Relays

¹ Delay on pull-in

² Delay on drop-out

1-Shot Relays

1-Shot & Instantaneous Relays

2-Shot Relay

Flashing Relays

Monitoring

Mors Smitt relay Platforms

CU-platform      

Small relays up to 2 change-over contacts. These relays all have the same base of 20 x 30 mm and  different models  are available for different applications.




D-platform        

Compact multi-functional relays for all different kind of applications. Up to 4 change-over contacts these relays all have the same base of 40 x 40 mm. 8-pole configurations in different types also available.


A - / B-platform        

Heavy duty multi-functional relays with very long mechanical contact life of 100 million cycles. Up to 4 change-over contacts these relays all have the same base of 45 x 45 mm. Different types available for many different applications. B-relays with higher continuous contact load and higher relay cover than A-relays.


C-platform       

Flat multi-functional relays up to 9 change-over contacts and very long mechanical contact life of 100 million cycles. These relays all have the same base of 33 x 65 mm. Different models  are available for different applications.