Industrial Automation
Safety Relays & Controllers
Certified safety components from SICK, Schneider Electric and Omron for e-stop, guard-door and light-curtain circuits up to PL e / SIL 3. Ask us for the safety engineering file — risk assessment and PL/SIL calculation — alongside the hardware.
Featured products: Safety Relays & Controllers
C4C-SA18030A10000Type 4 safety light curtain, 300 mm protective height, 14 mm resolution (finger protection), sender unit of the deTec4 Core series.Schneider ElectricPreventa XPSU Safety Relay ModuleXPSUAF13APUniversal safety relay for e-stop and guard monitoring up to Cat. 4 / PL e / SIL 3, 3 NO safety contacts + 1 NC, 24 V AC/DC to 240 V AC supply.OmronG9SE-401 Safety Relay UnitG9SE-401Slim 17.5 mm safety relay with 4 NO safety contacts and 1 NC auxiliary, for e-stop, door and light-curtain circuits up to PL e / SIL 3.These are the products we document on this site. We source the full manufacturer catalogue — send any part number for a quote.
Manufacturers in this category
Questions buyers ask
Which safety relays & controllers brands can HOANTRANTDH supply?
On this site we document Omron, Schneider Electric, SICK — but we source the full catalogues of all manufacturers listed on our manufacturers page and many others. Send any part number for a quote.
Can you help me choose the right safety relays & controller for my application?
Yes. Describe the application — process conditions, electrical interface, environment, required approvals — in the quote form and our engineers return a recommendation with the exact ordering code and alternatives.
Do you deliver outside Vietnam?
Yes. We ship worldwide on EXW, FCA/FOB, CIF or DAP terms and prepare export documentation including CoC and country-of-origin statements.
Engineering guides
- Safety Relays vs Safety PLC: Where Is the Crossover Point?PLC · 6 min read
- IEC 61131-3 Languages: Ladder, ST, FBD — Which to Use WhenPLC · 7 min read
- Predictive Maintenance: Start with the Data You Already HaveIIoT · 6 min read