Smart PDU — Outlet-Level Monitoring and Remote Control for Rack Infrastructure
A smart PDU distributes power to devices in a rack and gives you visibility and control over each outlet — so you can monitor load, reboot a frozen device, and manage distributed equipment without an on-site visit.
What a smart PDU does — and what it doesn’t
A smart PDU sits in the rack and delivers power from the upstream source — UPS or facility circuit — to individual devices. What makes it “smart” is that each outlet can be monitored independently and controlled remotely. You can see how much power each device draws, reboot a specific device, or sequence startup order — all without touching the rack.
A smart PDU does not provide battery backup. If the power goes out, the PDU goes out with it. Battery backup is the job of a UPS system upstream. The PDU distributes whatever power it receives — protected or otherwise. In a well-designed rack, a UPS provides the backup; the smart PDU provides the visibility and control.
The most capable rack power configuration pairs a UPS for battery backup and power conditioning with a smart PDU for outlet-level monitoring and remote control. The UPS protects against outages; the PDU tells you what’s drawing power and lets you reboot individual devices without a site visit. Each does what the other cannot.
UPS vs smart PDU — different jobs in the same rack
- Battery backup during outages
- Voltage regulation and conditioning
- Protection from utility disturbances
- Runtime during power events
- Does not provide outlet-level monitoring
- Outlet-level power monitoring
- Remote reboot of individual devices
- Load balancing and capacity planning data
- Startup sequencing and power scheduling
- Does not provide battery backup
When a smart PDU makes sense
A basic rack PDU handles power distribution fine in environments where someone is always on-site and load monitoring isn’t needed. A smart PDU earns its place when any of the following apply:
- →Sites are unstaffed or remotely managed — a device reboot requires a truck roll without outlet-level switching
- →Multiple distributed locations — consistent remote management across sites without on-site intervention
- →Load visibility is needed — knowing what each device actually draws vs nameplate rating matters for capacity planning
- →Startup sequencing matters — some equipment needs to power on in a specific order to avoid faults
- →SNMP monitoring integration is required — feeding outlet-level data to a network management system
- →TAA compliance is required — regulated environments including federal, defense, and healthcare procurement
The SPDU Series — switched and metered-by-outlet
Switched and metered-by-outlet smart PDU for rack infrastructure. Each outlet supports independent remote switching and real-time power monitoring. Front-panel touch LCD for local visibility. Dual Gigabit network ports. SNMP and web-based management. Integrated surge suppression on select models. Available in 1U (6 outlet) and 2U (14 outlet) configurations for standard racks.
SPDU-0615C and SPDU-1415C — specifications
| Attribute | SPDU-0615C · 1U | SPDU-1415C · 2U |
|---|---|---|
| Outlets | 6 × NEMA 5-15R | 14 × NEMA 5-15R |
| Input | 120VAC · 12A inlet | 120VAC · 12A inlet |
| Breaker | 15A | 15A |
| Surge suppression | 1,080 joules | 3,240 joules |
| Network ports | 2 × Gigabit RJ45 | 2 × Gigabit RJ45 |
| Dimensions (W×D×H) | 17.3″ × 2.8″ × 1.73″ | 17.3″ × 3.5″ × 3.5″ |
| Weight | 2.3 lbs | 5.4 lbs |
| Both models include | LCD display · status LEDs · recessed reset · AC power button · mounting kit · surge suppression · SNMP/web management · TAA compliant · 5-year warranty (USA and Canada) | |
Where the smart PDU fits in rack power architecture
The smart PDU is the distribution layer — it sits between the upstream UPS or facility circuit and the individual devices in the rack. UPS provides the backup power; the PDU delivers it with visibility and control. In distributed or multi-site deployments, this combination — UPS for protection, smart PDU for management — is the most operationally capable rack power configuration.
For a complete view of how UPS systems, PDUs, redundancy models, and distribution architecture fit together across data center, edge, industrial, and retail deployments:
Talk to an Xtreme Power engineer about rack power distribution
PDU selection, UPS and PDU architecture, monitoring integration, and deployment planning for distributed and multi-site infrastructure.