| Old model | 产品 | Newest model | Pin-to-pin compatible | Main differences new model compared to old model | Obsolescence date |
| FDA-U200 | 闪烁继电器 | FDA4-U200N | 是的 | 4 C/O contacts instead of 2 C/O contacts, 23 mm higher | July 1, 2023 |
| FDA-U300 | 闪烁继电器 | FDA4-U200N-Q2 | 是的 | 4 C/O contacts instead of 2 C/O contacts, 23 mm higher | July 1, 2023 |
| KCS-U200 | Latching relay | BD-U200N | n.a. | n.a. | January 1, 2023 |
| RC-19A | Current monitoring | CMP relay | n.a. | n.a. | January 1, 2023 |
| UB 001 | Voltage monitoring relay | No new model available | n.a. | n.a. | June, 2022 |
| UB 002 | Voltage monitoring relay | No new model available | n.a. | n.a. | June, 2022 |
| ACD-U200 | Voltage monitoring relay | MTDV4-U200N | yes | 4 C/O contacts instead of 1 C/O + 1 N/O contact, time delay options | February 1, 2017 |
| ACTD4-U200 | Timer & voltage monitoring relay | MTDV4-U200N | yes | Smaller footprint, delay-off possibility | February 1, 2017 |
| NSR | Overvoltage and undervoltage monitoring relay | n.a. | n.a. | n.a. | October 1, 2018 |
| PDF3-U200 | 1-shot relay | CTD4-U200N | yes | Smaller footprint | February 1, 2017 |
| TDBE-U200 | 定时继电器 | TDBE4-U200N | no | 3 C/O + 1 N/C contact instead of 2 C/O contacts | February 1, 2017 |
| TDE-U200 | 定时继电器 | TDE4N-UN | yes | 4 C/O contacts instead of 1 C/O contact + 1 N/O contact | May 1, 2016 |
| TDE3-U200 | 定时继电器 | TDBE4-U200N | no | 3 C/O + 1 N/C contact instead of 3 C/O contacts, delay-on possibility | February 1, 2017 |
| TDE4-U200 | 定时继电器 | TDE4N-UN | yes | Smaller footprint | May 1, 2016 |
| UMD-U200 | Voltage monitoring relay | MTDV4-U200N | yes | 4 C/O contacts instead of 1 C/O + 1 N/O contact, time delay options | February 1, 2017 |
| V10 | Relay socket | V16 | yes | Integrated retaining clip, suitable for both wall and 35 mm rail mounting | October 1, 2015 |
| V11 | Relay socket | V16 | yes | Integrated retaining clip, suitable for both wall and 35 mm rail mounting | October 1, 2015 |
| V12 | Relay socket | V16 | yes | Integrated retaining clip, suitable for both wall and 35 mm rail mounting | October 1, 2015 |
| V13 | Relay socket | V16 | yes | Integrated retaining clip, suitable for both wall and 35 mm rail mounting, if a LED is required use a CU-relay+LED | October 1, 2015 |
| V14 | Relay socket | V18 | yes | Integrated retaining clip, use CU relay instead of CP relay | October 1, 2015 |
| V15 | Relay socket | V16 | yes | Integrated retaining clip, suitable for both wall and 35 mm rail mounting, if a LED is required use a CU-relay+LED | October 1, 2015 |
| V24 | Relay socket | V23 or | yes | Suitable for both wall and 35 mm rail mounting, screw terminals instead of faston terminals | March 1, 2014 |
| V29 | Suitable for both wall and 35 mm rail mounting, spring clamp terminals instead of faston terminals | ||||
| V25 | Relay socket | V23 or | yes | Suitable for both wall and 35 mm rail mounting, screw terminals instead of faston terminals | March 1, 2014 |
| V29 | Suitable for both wall and 35 mm rail mounting, spring clamp terminals instead of faston terminals | ||||
| V94 | Relay socket | V93 or | yes | Suitable for both wall and 35 mm rail mounting, screw terminals instead of faston terminals | March 1, 2014 |
| V99 | Suitable for both wall and 35 mm rail mounting, spring clamp terminals instead of faston terminals | ||||
| V95 | Relay socket | V93 or | yes | Suitable for both wall and 35 mm rail mounting, screw terminals instead of faston terminals | March 1, 2014 |
| V99 | Suitable for both wall and 35 mm rail mounting, spring clamp terminals instead of faston terminals |
