– System: 3Ph 277/480V AC, 50/60Hz, 4-wire+ground (Y connection)
– Protection modes: Full all-mode protection (L-L, L-G, N-G), sine-wave tracking hybrid topology
– Surge current rating: 20kA nominal / 40kA per mode
– Let-through voltage: 75V L-L, 150V L-G peak
– Terminal: Screw terminal for #10 stranded wire
– Enclosure: ABS plastic UL94-0, IP60 / NEMA 1
– Mounting: 3/4” internal conduit thread + mounting feet
– Status indicator: LED power indication
– Operating temperature: -40℃ ~ +85℃
RM-ST403Y2 Specifications
| System | 3Ph 277/480V AC, 50/60Hz, 4-wire+ground (Y connection) |
|---|---|
| Protection modes | Full all-mode protection (L-L, L-G, N-G), sine-wave tracking hybrid topology |
| Surge current rating | 20kA nominal / 40kA per mode |
| Let-through voltage | 75V L-L, 150V L-G peak |
| Terminal | Screw terminal for #10 stranded wire |
| Enclosure | ABS plastic UL94-0, IP60 / NEMA 1 |
| Mounting | 3/4” internal conduit thread + mounting feet |
| Status indicator | LED power indication |
| Operating temperature | -40℃ ~ +85℃ |
About the RM-ST403Y2
The RM-ST403Y2 is a electrical products used in industrial automation, control and power systems. It is rated at System 3Ph 277/480V AC, 50/60Hz, 4-wire+ground (Y connection), Protection modes Full all-mode protection (L-L, L-G, N-G), sine-wave tracking hybrid topology, Surge current rating 20kA nominal / 40kA per mode. This electrical products is supplied as new, original industrial-grade stock. Each unit is identified by manufacturer part number RM-ST403Y2 for accurate procurement and cross-referencing.
Why source the RM-ST403Y2 from HDE123
- Verified part number: every RM-ST403Y2 is checked against its manufacturer specification before shipment.
- 9 confirmed technical parameters available on this page for engineering review.
- Global delivery with clear lead time and commercial invoice for B2B buyers.
- Fast B2B support: send us the equipment model or an existing part number and our engineers confirm compatibility before you order.
Ordering the RM-ST403Y2
To order the RM-ST403Y2, add it to your cart and complete checkout, or use the Request a Quote form for volume purchases and replacement / cross-reference enquiries. Lead time: typically 3–10 working days for in-stock items, subject to confirmation. Worldwide shipping is available and a commercial invoice is provided for customs.