RI-tech s.r.o. > Products > Industry > Heavy Industry > Industrial plug-in power relays > Obsolete Industrial Relays

Obsolete Industrial Relays

The production of products in this category has been discontinued, but we offer suitable replacements for most of them. Specific alternatives and detailed information can be found in the product details. If you’re unsure about the right replacement, feel free to contact us.

  • ACD series, DC voltage monitoring relays

     This product is no longer available. The replacement relay is the MTDV4. DC voltage monitoring applications, for example battery packs. Smitt style pinning 1CO + 1NO contact DC coil Flash barrier Cadmium free contacts Battery voltage, 2 levels Adjustable pull-in & hysteresis Triptime, 20 ms (if 6&8 connected 0,25 s.) Integrated 'snap-lock' retaining clip See the datasheet in the download section for all specification and options. See the accessories section for…

  • CTD4 relay – Multifunction customizable timer, 4 pole

     This relay is obsolete from January 1, 2023. Plug-in electronic customizable timer relay with four change-over contacts. Fully customizable according customer’s requirements concerning timing diagram and delay type. Almost any timing diagram is possible: for example time delays with delay on pull-in, on drop-out or both, symmetrical or asymmetrical flashing, 1-shot, 2-shot, 3-shot etc. or a combination of all these. Delay/pulse times are adjustable with 1 or 2 lockable knobs.…

  • FDA series, interval timer relay (flashing relay)

     This relay is obsolete from January 1, 2023. Plug-in electronic pulsing relay with two change-over contacts, suitable for DC and AC coil voltage (50/60 Hz). When the relay is activated the coil starts with an interval. The pulse time and interval time are equal. The pulsing frequency is adjustable with a lockable knob. The relay can also be supplied with a fixed pulsing frequency (no knob). The relay is standard…

  • FDA4 series, interval timer relay (flashing relay)

     This relay is obsolete from January 1, 2023. FDA4, interval timer relay, 4 C/O, 10A Interval timer relay (flashing relay) for heavy duty, demanding applications, switching of AC & DC voltages, resistive and/or inductive loads. Pulse = interval time. Start with intervaltime 20...60 flashes/minute, 40...120 flashes/minute Plug in power relay Smitt-style pining 4 C/O contacts DC and AC coil Flash barriers LED indicator Cadmium free contacts Adjustable with a lockable knob Integrated 'snap-lock' retaining…

  • FDC series, interval timer relay (flashing relay)

     This relay is obsolete from January 1, 2023. FDC, interval timer relay, 2 C/O, 6A Interval timer relay (flashing relay) for heavy duty, demanding applications, switching of AC & DC voltages, resistive and/or inductive loads. Pulse = 1 s. Interval = 30 s. Plug in power relay Smitt-style pining 2 C/O contacts DC and AC coil Flash barriers LED indicator Cadmium free contacts Integrated 'snap-lock' retaining clip

  • KCD series, latching relay (bistable), magnetic latch

     This relay is obsolete from January 1, 2023. KCD relays, latching, 2 C/O, 6A (more…)

  • KCS series, latching relay (bistable), magnetic latch

     This relay is obsolete from January 1, 2023. KCS relays, latching, 2 C/O, 6A (more…)

  • TDB2 series, delay-on timer relay

     This relay is obsolete from January 1, 2023. TDB2, delay on timer relay, 2 C/O, 6A Delay on timer relay for heavy duty, demanding applications, switching of AC & DC voltages, resistive and/or inductive loads. Plug in power relay Smitt-style pining 2 CO contacts DC and AC coil Flash barriers 2 LED indicators Cadmium free contacts Several time ranges available, see datasheet Adjustable with a lockable knob Integrated 'snap-lock' retaining clip

  • TDBE series, delay on & off timer relay

     This product is no longer available. The replacement relay is the TDBE4. TDBE, delay on & delay off timer relay, 2 C/O, 6A Delay on & delay off timer relay for heavy duty, demanding applications, switching of AC & DC voltages, resistive and/or inductive loads. Plug in power relay Smitt-style pining 2 C/O contacts DC and AC coil Flash barriers 2 LED indicators Cadmium free contacts Several time ranges available,…

  • TDBE4, dual function timer relay

     This relay is obsolete from January 1, 2023. Plug-in industrial electronic timer relay with delay-on and delay-off function and three change-over contacts and one normally-closed contact. The delay times are independently adjustable with two lockable knobs. The relay can also be supplied with one or two fixed delay times (one knob or none). The relay needs an auxiliary supply and can be activated with an external N/O contact or with…

  • TDDB series, delay-on timer relay

     This relay is obsolete from January 1, 2023. Delay off timer relay for demanding applications, switching of AC & DC, voltages, resistive and/or inductive loads. Plug in 2CO contacts direct and 2 C/O contacts time delayed DC and AC coil Flash barriers LED indicator Cadmium free contacts ‘Smitt-style’ pinning with integrated retaining clip silver plated Adjustable with a lockable knob

  • TDE series, delay off timer relay (no aux supply)

     This product is no longer available. The replacement relay is the TDE4N. TDE, delay off timer relay, 1 C/O and 1 N/O, 6A Delay off timer relay for heavy duty, demanding applications, switching of AC & DC voltages, resistive and/or inductive loads. No auxiliary supply needed. Plug in power relay Smitt-style pining 1 C/O and 1 N/O contact DC and AC coil Flash barriers 2 LED indicators Cadmium free contacts Several time ranges…

  • TDE3 series, delay off timer relay (with aux supply)

     This product is no longer available. The replacement relay is the TDBE4. Delay off timer relay for heavy duty, demanding applications, switching of AC & DC voltages, resistive and/or inductive loads. Plug in power relay Smitt-style pining 3 C/O contacts DC and AC coil Flash barriers 2 LED indicators Cadmium free contacts Several time ranges available, see datasheet Adjustable with a lockable knob Integrated 'snap-lock' retaining clip See the datasheet…

  • TDE4 series, delay off timer relay (no auxiliary supply needed)

     This product is no longer available. The replacement relay is the TDE4N. Delay off timer relay for heavy duty, demanding applications, switching of AC & DC voltages, resistive and/or inductive loads. Plug in power relay Smitt-style pining 4 C/O contacts DC and AC coil Flash barriers 2 LED indicators Cadmium free contacts Several time ranges available, see datasheet No auxiliary supply needed Adjustable with a lockable knob Integrated 'snap-lock' retaining clip See the…

  • UMD series, voltage monitoring relays

     This product is no longer available. The replacement relay is the MTDV4. Over voltage & under voltage monitoing relay for demanding AC or DC applications Plug in relay Smitt style pinning 1CO + 1NO contact DC and AC coil Flash barrier 2 LED indicators Cadmium free contacts ‘Adjustable with a lockable knob No auxiliary supply required Integrated 'snap-lock' retaining clip See the datasheet in the download section for all specification…

  • WDDF series, pulse relay (one shot-off relay)

     This relay is obsolete from January 1, 2023. WDDF, pulse relay, 2 C/O and 2 N/C, 8A Pulse relay (one shot relay) for heavy duty, demanding applications, switching of AC & DC voltages, resistive and/or inductive loads. Generates a 0,5 s. (fixed) pulse on de-activation. Plug-in relay Smitt-style pining 2 C/O instant + 2 N/C time contacts Pulse 0,5 s. (fixed) on de-activation DC and AC coil Flash barriers LED indicator…