π
Can't find your part? We source far beyond this catalog β
list any MRO part, even if it's not listed here, and we'll quote it direct from Korean makers.
Submit an RFQ β
Safety Relays
![[OMRON] β G9SA Expansion Unit Safety Relay (Standard / OFF-delay, for G9SA-301/501/321/TH301)](https://img.prosourcemro.com/2026/05/001-588-300x300.png)
Proven and popular safety relay units. Output expansion, DC power supply, and AC power supply models. Expansion Unit connects to G9SA-301, G9SA-501, G9SA-321, or G9SA-TH301.
Proven and popular safety relay units. Output expansion, DC power supply, and AC power supply models. Expansion Unit connects to G9SA-301, G9SA-501, G9SA-321, or G9SA-TH301.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| G9SA-EX301 | Expansion Unit, 3PST-NO + SPST-NC, for G9SA-301/501/321/TH301 | OMRON | Type: Expansion Unit | Main Contacts: 3PST-NO | Aux Contact: SPST-NC | Compatible With: G9SA-301 / G9SA-501 / G9SA-321 / G9SA-TH301 | |
| G9SA-EX031-T075 | Expansion Unit with OFF-delay, 3PST-NO + SPST-NC, OFF-delay 7.5s max, for G9SA-301/501/321 | OMRON | Type: Expansion Unit with OFF-delay | Main Contacts: 3PST-NO | Aux Contact: SPST-NC | OFF-delay Time: 7.5 s max (15-step) | Compatible With: G9SA-301 / G9SA-501 / G9SA-321 | |
| G9SA-EX031-T15 | Expansion Unit with OFF-delay, 3PST-NO + SPST-NC, OFF-delay 15s max, for G9SA-301/501/321 | OMRON | Type: Expansion Unit with OFF-delay | Main Contacts: 3PST-NO | Aux Contact: SPST-NC | OFF-delay Time: 15 s max (15-step) | Compatible With: G9SA-301 / G9SA-501 / G9SA-321 | |
| G9SA-EX031-T30 | Expansion Unit with OFF-delay, 3PST-NO + SPST-NC, OFF-delay 30s max, for G9SA-301/501/321 | OMRON | Type: Expansion Unit with OFF-delay | Main Contacts: 3PST-NO | Aux Contact: SPST-NC | OFF-delay Time: 30 s max (15-step) | Compatible With: G9SA-301 / G9SA-501 / G9SA-321 |
Proven and popular safety relay units. Output expansion, DC power supply, and AC power supply models. Specify the power supply voltage when ordering.
Proven and popular safety relay units. Output expansion, DC power supply, and AC power supply models. Specify the power supply voltage when ordering.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| G9SA-301 | Emergency-stop Unit, 3PST-NO + SPST-NC, 1/2ch, 24VAC/VDC or 100~240VAC | OMRON | Type: Emergency-stop Unit | Main Contacts: 3PST-NO | Aux Contact: SPST-NC | Input Channels: 1 or 2 | Rated Voltage: 24VAC/VDC or 100~240VAC | |
| G9SA-501 | Emergency-stop Unit, 5PST-NO, 1/2ch, 24VAC/VDC or 100~240VAC | OMRON | Type: Emergency-stop Unit | Main Contacts: 5PST-NO | Input Channels: 1 or 2 | Rated Voltage: 24VAC/VDC or 100~240VAC | |
| G9SA-321-T075 | Emergency-stop OFF-delay Unit, 3PST-NO + DPST-NO + SPST-NC, OFF-delay 7.5s max, 24VAC/VDC or 100~240VAC | OMRON | Type: Emergency-stop OFF-delay Unit | Main Contacts: 3PST-NO | OFF-delay Contacts: DPST-NO | Aux Contact: SPST-NC | Input Channels: 1 or 2 | OFF-delay Time: 7.5 s max (15-step) | Rated Voltage: 24VAC/VDC or 100~240VAC | |
| G9SA-321-T15 | Emergency-stop OFF-delay Unit, 3PST-NO + DPST-NO + SPST-NC, OFF-delay 15s max, 24VAC/VDC or 100~240VAC | OMRON | Type: Emergency-stop OFF-delay Unit | Main Contacts: 3PST-NO | OFF-delay Contacts: DPST-NO | Aux Contact: SPST-NC | Input Channels: 1 or 2 | OFF-delay Time: 15 s max (15-step) | Rated Voltage: 24VAC/VDC or 100~240VAC | |
| G9SA-321-T30 | Emergency-stop OFF-delay Unit, 3PST-NO + DPST-NO + SPST-NC, OFF-delay 30s max, 24VAC/VDC or 100~240VAC | OMRON | Type: Emergency-stop OFF-delay Unit | Main Contacts: 3PST-NO | OFF-delay Contacts: DPST-NO | Aux Contact: SPST-NC | Input Channels: 1 or 2 | OFF-delay Time: 30 s max (15-step) | Rated Voltage: 24VAC/VDC or 100~240VAC | |
| G9SA-TH301 | Two-hand Controller, 3PST-NO + SPST-NC, 2ch, 24VAC/VDC or 100~240VAC | OMRON | Type: Two-hand Controller | Main Contacts: 3PST-NO | Aux Contact: SPST-NC | Input Channels: 2 | Rated Voltage: 24VAC/VDC or 100~240VAC |
![[OMRON] β G9SB Safety Relay Unit (Ultra Slim, DPST-NO/3PST-NO, Auto/Manual Reset, 24VAC/VDC)](https://img.prosourcemro.com/2026/05/001-590-300x300.png)
Ultra Slim Safety Relay Unit. DPST-NO and 3PST-NO main contact configurations. Auto-reset and manual reset modes. Inverse input and positive common input types.
Ultra Slim Safety Relay Unit. DPST-NO and 3PST-NO main contact configurations. Auto-reset and manual reset modes. Inverse input and positive common input types.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| G9SB-2002-A | DPST-NO, 2ch, Auto-reset, Inverse input, 24VAC/VDC | OMRON | Main Contacts: DPST-NO | Aux Contact: None | Input Channels: 2 | Reset Mode: Auto-reset | Input Type: Inverse | Rated Voltage: 24VAC/VDC | |
| G9SB-200-B | DPST-NO, 1/2ch, Auto-reset, +common input, 24VAC/VDC | OMRON | Main Contacts: DPST-NO | Aux Contact: None | Input Channels: 1 or 2 | Reset Mode: Auto-reset | Input Type: Positive common | Rated Voltage: 24VAC/VDC | |
| G9SB-2002-C | DPST-NO, 2ch, Manual reset, Inverse input, 24VAC/VDC | OMRON | Main Contacts: DPST-NO | Aux Contact: None | Input Channels: 2 | Reset Mode: Manual reset | Input Type: Inverse | Rated Voltage: 24VAC/VDC | |
| G9SB-200-D | DPST-NO, 1/2ch, Manual reset, +common input, 24VAC/VDC | OMRON | Main Contacts: DPST-NO | Aux Contact: None | Input Channels: 1 or 2 | Reset Mode: Manual reset | Input Type: Positive common | Rated Voltage: 24VAC/VDC | |
| G9SB-3010 | 3PST-NO + SPST-NC, direct breaking, Auto-reset, 24VDC | OMRON | Main Contacts: 3PST-NO | Aux Contact: SPST-NC | Input Channels: None (direct breaking) | Reset Mode: Auto-reset | Input Type: --- | Rated Voltage: 24VDC | Note: Applicable to Safety Category 3 (EN954-1) with double breaking | |
| G9SB-3012-A | 3PST-NO + SPST-NC, 2ch, Auto-reset, Inverse input, 24VAC/VDC | OMRON | Main Contacts: 3PST-NO | Aux Contact: SPST-NC | Input Channels: 2 | Reset Mode: Auto-reset | Input Type: Inverse | Rated Voltage: 24VAC/VDC | |
| G9SB-301-B | 3PST-NO + SPST-NC, 1/2ch, Auto-reset, +common input, 24VAC/VDC | OMRON | Main Contacts: 3PST-NO | Aux Contact: SPST-NC | Input Channels: 1 or 2 | Reset Mode: Auto-reset | Input Type: Positive common | Rated Voltage: 24VAC/VDC | |
| G9SB-3012-C | 3PST-NO + SPST-NC, 2ch, Manual reset, Inverse input, 24VAC/VDC | OMRON | Main Contacts: 3PST-NO | Aux Contact: SPST-NC | Input Channels: 2 | Reset Mode: Manual reset | Input Type: Inverse | Rated Voltage: 24VAC/VDC | |
| G9SB-301-D | 3PST-NO + SPST-NC, 1/2ch, Manual reset, +common input, 24VAC/VDC | OMRON | Main Contacts: 3PST-NO | Aux Contact: SPST-NC | Input Channels: 1 or 2 | Reset Mode: Manual reset | Input Type: Positive common | Rated Voltage: 24VAC/VDC |
![[OMRON] β G9SE Safety Relay Unit (Compact, Instantaneous / OFF-delay, 24VDC)](https://img.prosourcemro.com/2026/05/001-589-300x300.png)
Complete line-up of compact units, including OFF-delayed safety output models. Instantaneous and OFF-delayed safety output variants. 24 VDC rated voltage.
Complete line-up of compact units, including OFF-delayed safety output models. Instantaneous and OFF-delayed safety output variants. 24 VDC rated voltage.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| G9SE-201 | Safety Relay, DPST-NO instantaneous, 1 solid-state aux output, 24VDC | OMRON | Safety Outputs: DPST-NO (instantaneous) | Aux Output: 1 (solid-state) | OFF-delay: None | Rated Voltage: 24 VDC | |
| G9SE-401 | Safety Relay, 4PST-NO instantaneous, 1 solid-state aux output, 24VDC | OMRON | Safety Outputs: 4PST-NO (instantaneous) | Aux Output: 1 (solid-state) | OFF-delay: None | Rated Voltage: 24 VDC | |
| G9SE-221-T05 | Safety Relay, DPST-NO instantaneous + DPST-NO OFF-delay 5s max, 24VDC | OMRON | Safety Outputs: DPST-NO (instantaneous) | OFF-delay Outputs: DPST-NO | Max OFF-delay Time: 5 s (16-step: 0~5 s) | Aux Output: 1 (solid-state) | Rated Voltage: 24 VDC | |
| G9SE-221-T30 | Safety Relay, DPST-NO instantaneous + DPST-NO OFF-delay 30s max, 24VDC | OMRON | Safety Outputs: DPST-NO (instantaneous) | OFF-delay Outputs: DPST-NO | Max OFF-delay Time: 30 s (16-step: 0~30 s) | Aux Output: 1 (solid-state) | Rated Voltage: 24 VDC |