– System: 3-phase delta 380~480V AC, 3 wire + ground, 50/60Hz
– Protection modes: L-L, L-G, full 7-mode hybrid sine-wave tracking surge protection
– Maximum surge current: 200kA per mode
– Let-through voltage: 550V peak
– EMI/RFI noise attenuation: Max 30dB @1kHz~10MHz
– Indicator: Phase status LED for each phase
– Enclosure: ABS plastic UL94‑0 housing
– Connection: #10 stranded wire terminal
– Mounting: 3/4” conduit thread, wall mounting
– Operating temperature: -40℃ ~ +85℃
– Protection class: IP40
RM-ST403N4 Specifications
| System | 3-phase delta 380~480V AC, 3 wire + ground, 50/60Hz |
|---|---|
| Protection modes | L-L, L-G, full 7-mode hybrid sine-wave tracking surge protection |
| Maximum surge current | 200kA per mode |
| Let-through voltage | 550V peak |
| EMI/RFI noise attenuation | Max 30dB @1kHz~10MHz |
| Indicator | Phase status LED for each phase |
| Enclosure | ABS plastic UL94‑0 housing |
| Connection | #10 stranded wire terminal |
| Mounting | 3/4” conduit thread, wall mounting |
| Operating temperature | -40℃ ~ +85℃ |
| Protection class | IP40 |
About the RM-ST403N4
The RM-ST403N4 is a electrical products used in industrial automation, control and power systems. It is rated at System 3-phase delta 380~480V AC, 3 wire + ground, 50/60Hz, Protection modes L-L, L-G, full 7-mode hybrid sine-wave tracking surge protection, Maximum surge current 200kA per mode. This electrical products is supplied as new, original industrial-grade stock. Each unit is identified by manufacturer part number RM-ST403N4 for accurate procurement and cross-referencing.
Why source the RM-ST403N4 from HDE123
- Verified part number: every RM-ST403N4 is checked against its manufacturer specification before shipment.
- 11 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-ST403N4
To order the RM-ST403N4, 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.