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The VH-4031 is a NEMA-compliant 1U rack-mount power distribution unit purpose-built for North American 19-inch server, network and surveillance cabinets. Featuring 6 NEMA 5-15R grounded outlets and a front-panel illuminated master switch, it delivers reliable 15A / 1800W power distribution at 125VAC, natively matching the standard electrical infrastructure of the US, Canada and Mexico.
Constructed from aircraft-grade extruded aluminum for superior thermal performance, it is built on HI-SUN’s universal hot-swap modular platform, allowing field upgrades with surge protection, overcurrent breakers, digital metering and USB charging modules to adapt to varying regional code requirements. Certified to NEMA electrical benchmarks plus CE and RoHS, it is the standard configuration choice for office IT racks, security enclosures and small data closets across North America.
1. Native NEMA 5-15R US-Standard Outlet Bank
Six 15A NEMA 5-15R grounded receptacles mate seamlessly with all standard North American equipment plugs, eliminating bulky travel adapters and ensuring full electrical safety compliance for US and Canadian cabinet deployments. Unlike universal PDUs that require intermediate adapters, it delivers a native fit for servers, switches, surveillance cameras and office IT equipment across North America.
2. One-Piece Aircraft-Grade Aluminum Chassis
Single-piece extruded aluminum construction improves thermal dissipation efficiency by 40% compared to conventional steel PDUs, while cutting unit weight to reduce static load on cabinet mounting rails. The matte silver finish also aligns aesthetically with the standard interior of mainstream North American server racks.
3. OSHA-Aligned Illuminated Front-Panel Switch
The red backlit main power toggle enables one-touch full-bank shutdown for hardware servicing, aligning with OSHA maintenance safety practices common in US workplaces. The illuminated status indicator is visible from across the server room, allowing at-a-glance power verification without close-range inspection.
4. Code-Adaptable Hot-Swap Modular Bays
Purpose-designed modular slots allow on-site technicians to add surge suppression, overcurrent protection, power metering or USB charging modules at any time, without replacing the entire PDU. This flexibility makes it easy to adapt to varying electrical code requirements across different US states and Canadian provinces.
5. Universal 19" Compatibility for North American Cabinets
Adjustable side mounting brackets support both forward and reversed installation orientations, fitting all major brands of 19-inch EIA standard server and network cabinets deployed across North America. No on-site modification is required, streamlining installation for system integrators.
6. Dual Regional & Global Safety Certifications
Meets NEMA North American electrical standards alongside CE and RoHS international certifications, making it suitable for both domestic US/Canada projects and cross-border export deployments. It satisfies qualification requirements for most commercial, industrial and public-sector IT bids across North America.
| Category | Specification |
| Model | VH-4031 |
| Form Factor | 1U horizontal rack-mount, 19" EIA standard |
| Socket Standard | NEMA 5-15R (US standard), 15A grounded |
| Output Sockets | 6 × NEMA 5-15R outlets |
| Input Connection | 2m US-approved power cord; custom length / IEC C14 inlet optional |
| Control | Red illuminated master power switch |
| Rated Voltage | 100–125VAC, 50/60Hz |
| Max Rated Current | 15A aggregate |
| Max Power Output | 1800W |
| Housing Material | Extruded aluminum alloy |
| Finish | Matte silver |
| Product Size | L×W×H=482.6×45×45mm |
| Mounting Length | 462.4mm |
| Case Length | 431mm |
| Mounting Hardware | M6 mounting fasteners, lock nuts, adjustable brackets, user manual |
| Certifications | NEMA compliant, CE, RoHS |
• SPD surge protection module
• Digital ammeter / volt-ampere dual-display meter
• Resettable overcurrent circuit breaker
• Dual USB charging module (5V 1A/2A)
• RS485 multi-parameter monitoring module
• Assorted mounting brackets & hardware kits
• Small & medium office IT server racks across the US & Canada
• Security & surveillance system cabinets in North American commercial buildings
• Small data closets and colocation facility branch circuits
• Telecom & network equipment racks in Mexico & Caribbean markets
• Standardized bulk IT deployment projects for North American enterprises
| Item | Details |
| Minimum Order | 1 unit |
| Customization | Cable length, logo printing, module configuration (bulk orders) |
| Production Capacity | 300 units per month |
| Lead Time | 7–15 working days (standard); 20–30 days (custom configurations) |
| Packing | Standard export carton |
| Trade Terms | FOB, CFR, CIF, EXW |
Q: What makes this PDU different from European Schuko/Type E rack PDUs?
A: This model uses NEMA 5-15R US-standard sockets and operates at 100–125VAC, matching the electrical infrastructure of North America. European PDUs use 220–250V Schuko/Type E sockets for EU electrical systems. They are not interchangeable for regional deployments.
Q: Will this fit standard 19-inch server racks used in the United States?
A: Yes. It is built to EIA RS-310 19-inch rack standards with adjustable side mounting brackets, compatible with all major US server and network cabinet brands. Both forward and reversed mounting are supported.
Q: Can surge protection or a power meter be added to this base model later?
A: Yes. It features a hot-swap modular design. Surge protection, digital metering, overcurrent breakers and other modules can be installed on-site at any time without replacing the entire PDU unit.
Q: What certifications does this US-model PDU have?
A: It complies with NEMA North American electrical standards, plus CE and RoHS international certifications, meeting qualification requirements for most commercial, industrial and public-sector IT projects across the US, Canada and Mexico.
Q: What is the benefit of an aluminum housing over steel?
A: One-piece extruded aluminum dissipates operating heat far more efficiently than steel, reducing internal temperature rise under continuous load. It also reduces overall unit weight, lowering static stress on rack mounting rails.
