The Omron H3Y-4 AC100-120 30S is a socketable time delay relay from the H3Y series, offering both Off-Delay and On-Delay functions with a hand-dial adjustable timing range of 1 second to 30 seconds. Its 4PDT (4 Form C) output contacts are rated 3 A at 250 VAC, suitable for switching small motor starters, contactor coils, or signal loads in control panels. The relay is powered by a 100–120 VAC supply and triggers timing via input voltage — no separate control signal needed.

Omron H3Y-4 AC100-120 30S Time Delay Relay, 4PDT, 1-30 Sec
MPNH3Y-4 AC100-120 30S
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Omron H3Y-4 AC100-120 30S, Series H3Y, Time Delay Relay, 4PDT (4 Form C), 1 Sec ~ 30 Sec, 3A @ 250VAC, 100 ~ 120VAC Supply.
$42.10Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
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Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Series | H3Y |
| Parameter | Value |
|---|---|
| Function | Off-Delay, On-Delay |
| Parameter | Value |
|---|---|
| Delay time range | 1 Sec ~ 30 Sec |
| Timing adjustment method | Hand Dial |
| Timing initiate method | Input Voltage |
| Parameter | Value |
|---|---|
| Supply voltage | 100 ~ 120VAC |
| Parameter | Value |
|---|---|
| Contact rating @ voltage | 3A @ 250VAC |
| Contact circuit (Form) | 4PDT (4 Form C) |
| Relay type | Mechanical Relay |
| Parameter | Value |
|---|---|
| Mounting type | Socketable |
| Termination style | Plug In |
Product details
Frequently asked questions
What is H3Y-4 AC100-120 30S's listed series?
The series is H3Y.
What is H3Y-4 AC100-120 30S's listed circuit?
The circuit is 4PDT (4 Form C).
MPN
H3Y-4 AC100-120 30S