# \#solid-state-relays-ssr **URL:** https://forum.digikey.com/tag/solid-state-relays-ssr/4493.md [Latest](https://forum.digikey.com/latest.md) · [Categories](https://forum.digikey.com/categories.md) · [Tags](https://forum.digikey.com/tags.md) --- ## [High Voltage Isolation Measurement in EVs Using the VORA1150](https://forum.digikey.com/t/high-voltage-isolation-measurement-in-evs-using-the-vora1150/68778)
**Author:** [@Dimitrij](https://forum.digikey.com/u/Dimitrij)\ **Replies:** 0\ **Last updated:** [May 13, 2026, 7:25am UTC](https://forum.digikey.com/t/high-voltage-isolation-measurement-in-evs-using-the-vora1150/68778 "2026-05-13T07:25:01Z")
INTRODUCTION Electric vehicles (EVs) rely on accurate isolation measurement to ensure driver safety and comply with functional safety standards (e.g., ISO 6469-1, ISO 26262). As EV battery voltages rise - often exceedi… --- ## [Current Rating for RZ3A60D55: Label Ambiguity](https://forum.digikey.com/t/current-rating-for-rz3a60d55-label-ambiguity/68774)
**Author:** [@Kaleb\_Kohlhase](https://forum.digikey.com/u/Kaleb_Kohlhase)\ **Replies:** 0\ **Last updated:** [May 12, 2026, 7:09pm UTC](https://forum.digikey.com/t/current-rating-for-rz3a60d55-label-ambiguity/68774 "2026-05-12T19:09:49Z")
RZ3A60D55 (DigiKey part number 1864-1251-ND) is a Solid State Relay made by Carlo Gavazzi that can handle 55A and a load of 42-660V. The part seems to have some details on the label that make it somewhat ambiguous on the… --- ## [Equivalence](https://forum.digikey.com/t/equivalence/63932)
**Author:** [@rep-levis](https://forum.digikey.com/u/rep-levis)\ **Replies:** 1\ **Last updated:** [January 8, 2026, 1:31am UTC](https://forum.digikey.com/t/equivalence/63932 "2026-01-08T01:31:03Z")
Hi everybody, i search equivalent of Solid state relay SP746. i find this : CPC1976YX6 it’s correct ? many thanks Sebastian --- ## [Industrial Solid-State Relays](https://forum.digikey.com/t/industrial-solid-state-relays/63230)
**Author:** [@johnleduc](https://forum.digikey.com/u/johnleduc)\ **Replies:** 0\ **Last updated:** [December 12, 2025, 5:32pm UTC](https://forum.digikey.com/t/industrial-solid-state-relays/63230 "2025-12-12T17:32:33Z")
FAQ about Littelfuse Industrial Solid-State Relays. Littelfuse solid state relays available at DigiKey: Solid State Relays (SSR) | Electronic Components Distributor DigiKey Q - Who needs Solid State Relays? A - Solid-… --- ## [Considering using Crydom CMX60D20](https://forum.digikey.com/t/considering-using-crydom-cmx60d20/63010)
**Author:** [@walterc](https://forum.digikey.com/u/walterc)\ **Replies:** 4\ **Last updated:** [December 5, 2025, 6:41pm UTC](https://forum.digikey.com/t/considering-using-crydom-cmx60d20/63010 "2025-12-05T18:41:09Z")
This application is for an autononoumous agricultural field planter. I need to turn the power on to a 24VDC water pump on the planter with a BeagleBone Black so long as the water pressure, monitored by the BeagleBone, i… --- ## [SSR-240D25](https://forum.digikey.com/t/ssr-240d25/61752)
**Author:** [@fisichel](https://forum.digikey.com/u/fisichel)\ **Replies:** 2\ **Last updated:** [October 31, 2025, 3:51pm UTC](https://forum.digikey.com/t/ssr-240d25/61752 "2025-10-31T15:51:34Z")
Hi, Are you able to find the terminal screws size for the SSR-240D25? I looked at the datasheet and did not see it on there. Thanks, Chris --- ## [WHAT IS THE REQUIRED CURRENT TO TURN ON THE SSR (VO1400AEFTR)?](https://forum.digikey.com/t/what-is-the-required-current-to-turn-on-the-ssr-vo1400aeftr/57498)
**Author:** [@Dimitrij](https://forum.digikey.com/u/Dimitrij)\ **Replies:** 0\ **Last updated:** [July 17, 2025, 7:54am UTC](https://forum.digikey.com/t/what-is-the-required-current-to-turn-on-the-ssr-vo1400aeftr/57498 "2025-07-17T07:54:21Z")
To ensure reliable operation of the VO1400AEFTR solid-state relay (SSR) under worst-case conditions — including maximum specified IFON, high temperature, and long-term degradation — you should calculate the required inp… --- ## [Are SSR closing LOAD contacts without being in live circuit ? aka 'floating' load line?](https://forum.digikey.com/t/are-ssr-closing-load-contacts-without-being-in-live-circuit-aka-floating-load-line/46172)
**Author:** [@bela\_e01](https://forum.digikey.com/u/bela_e01)\ **Replies:** 3\ **Last updated:** [November 4, 2024, 4:53pm UTC](https://forum.digikey.com/t/are-ssr-closing-load-contacts-without-being-in-live-circuit-aka-floating-load-line/46172 "2024-11-04T16:53:23Z")
As a question, if the load = AC motor, being interrupted by a contactor / relay’s NO contacts Will the SSR still close, if the AC MOTOR is a open circuit caused by contactor’s NO contacts ? or the SSR’s need closed cir… --- ## [Automation Direct AD-SSR665-45-DCZ Cross reference](https://forum.digikey.com/t/automation-direct-ad-ssr665-45-dcz-cross-reference/42667)
**Author:** [@Jeff\_2258](https://forum.digikey.com/u/Jeff_2258)\ **Replies:** 0\ **Last updated:** [June 20, 2024, 5:00am UTC](https://forum.digikey.com/t/automation-direct-ad-ssr665-45-dcz-cross-reference/42667 "2024-06-20T05:00:00Z")
MFR DigiKey# / Sensata-Crydom Automation Direct P# CC2140-ND / CMRD6065 AD-SSR665-45-DCZ Mounting Type DIN Rail DIN Rail Circuit SPST-NO (1 Form A) SPST-NO (1 Form A Output Type AC, Zero Cross AC, Z… --- ## [Looking Cross reference for 70S2-04-C-06-N](https://forum.digikey.com/t/looking-cross-reference-for-70s2-04-c-06-n/40688)
**Author:** [@prabhakaran](https://forum.digikey.com/u/prabhakaran)\ **Replies:** 1\ **Last updated:** [April 25, 2024, 1:11pm UTC](https://forum.digikey.com/t/looking-cross-reference-for-70s2-04-c-06-n/40688 "2024-04-25T13:11:16Z")
Hi Team, I am looking alternate solution for 70S2-04-C-06-N. could you provide a drop in replacement in other suitable MFG. In Schneider they provide the alternate is SSM1A16BD. It is not form fit function. Kindly provi… --- ## [Relay control with Raspberry Pi](https://forum.digikey.com/t/relay-control-with-raspberry-pi/3106)
**Author:** [@iso2013](https://forum.digikey.com/u/iso2013)\ **Replies:** 1\ **Last updated:** [March 15, 2019, 10:46am UTC](https://forum.digikey.com/t/relay-control-with-raspberry-pi/3106 "2019-03-15T10:46:25Z")
I’m trying to control a door with a Raspberry Pi. All I know about the door’s wiring is as follows: Crossing the white and green wire of the door causes the door to open (makes sense based on the installation manual) E…