Obsolescence Overview Industrial Relays

Old model Product New model Pin-to-pin compatible Main differences of new model compared to old model Obsolescence date
KCS Latching relay No new model available n.a. n.a. January 1, 2023
KCD Latching relay No new model available n.a. n.a. January 1, 2023
WDE4 Pulse relay No new model available n.a. n.a. January 1, 2023
WDDF Pulse + instantaneous relay No new model available n.a. n.a. January 1, 2023
TDB2 Timer relay 2 contacts No new model available n.a. n.a. January 1, 2023
FDA Flashing relay 2 contacts No new model available n.a. n.a. January 1, 2023
FDA4 Flashing relay 4 contacts No new model available n.a. n.a. January 1, 2023
FDC Asymmetrical flashing relay 2 contacts No new model available n.a. n.a. January 1, 2023
TDBE4 Timer relay delay-on and delay-off No new model available n.a. n.a. January 1, 2023
TDDB Timer relay + instantaneous relay No new model available n.a. n.a. January 1, 2023
CTD4 Customized relay No new model available n.a. n.a. January 1, 2023
ACD Voltage monitoring relay MTDV4 yes 4 C/O contacts instead of 1 C/O + 1 N/O contact, time delay options February 1, 2017
TDBE Timer relay TDBE4 no 3 C/O + 1 N/C contact instead of 2 C/O contacts February 1, 2017
TDE Timer relay TDE4N yes 4 C/O contacts instead of 1 C/O contact + 1 N/O contact May 1, 2016
TDE3 Timer relay TDBE4 no 3 C/O + 1 N/C contact instead of 3 C/O contacts, delay-on possibility February 1, 2017
TDE4 Timer relay TDE4N yes Smaller footprint May 1, 2016
UMD Voltage monitoring relay MTDV4 yes 4 C/O contacts instead of 1 C/O + 1 N/O contact, time delay options February 1, 2017
V2 Relay socket V23 yes Suitable for both wall and 35 mm rail mounting. October 1, 2015
V9 Relay socket V93 yes Suitable for both wall and 35 mm rail mounting. October 1, 2015
V10 Relay socket V16 yes Integrated retaining clip, suitable for both wall and 35 mm rail mounting October 1, 2015
V11 Relay socket V16-D 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-D 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-D 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
V21 Relay socket V23 yes Suitable for both wall and 35 mm rail mounting. 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
V91  Relay socket  V93 yes Suitable for both wall and 35 mm rail mounting. October 1, 2015
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