Data Center Power Distribution

Branch Power at the Rack Row, Engineered for White-Space

The Sentinel Series RPP brings 480V branch distribution to the row, frees floor and white-space density, and gives capacity planners per-circuit visibility through the integrated InSight BCMS. Built to your one-line and in stock now.

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Sentinel Series Remote Power Panel deployed in a data center white-space aisle

Built for White-Space

Distribution That Keeps Pace With Rack Density

As rack power densities climb, the distance between the PDU and the load becomes a liability. The Sentinel Series RPP pushes protected branch circuits out to the row, shortening home runs, reducing voltage drop, and reclaiming the floor and panel space that data centers cannot spare. A single 24in x 12in x 90in footprint supplies (84) single-pole branch-circuit positions from a Type 1 enclosure that mounts free-standing, against a wall, or back-to-back.

(84) single-pole branch positions in a 24in x 12in footprint
Main input up to 600A, 100% rated with LSI protection
Top and bottom cable entry for slab or raised-floor designs
415Y/240 VAC standard; 480Y/277 and 208Y/120 optional

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Why Critical Power RPP

Key Advantages for Data Center Builds

Spec-built distribution that ships on a schedule your construction timeline can actually hold.

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Built to Spec

Every Sentinel Series RPP is engineered to your one-line: breaker schedule, voltage, ampacity, and entry. No forcing your design into a catalog SKU.

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4-Week Delivery

Four-week standard lead time with units in stock now, so power distribution stays off the critical path during commissioning.

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UL Listed

UL listed, Siemens Approved OEM, and seismic tested. Indoor UL Type 1 construction built to pass inspection on the first walk.

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Premium Components

Branch breakers rated 20A to 150A and true-RMS metering hardware selected for service life in 24/7 mission-critical environments.

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Scalable & Configurable

Free-standing, wall-mounted, or back-to-back, with DIN-rail modular monitoring that scales as you add branch circuits.

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Engineering Support

Work directly with the engineers who build the panel, from one-line review through submittal and field support.

InSight BCMS

Per-Circuit Visibility for Capacity Planning

You cannot plan capacity you cannot see. The integrated InSight branch-circuit monitoring system meters current, voltage, energy, and power quality at every circuit to +/-0.5% true-RMS accuracy, surfacing stranded capacity and balancing load across phases before it becomes a problem. A local touchscreen presents the data at the panel, and the DIN-rail modular architecture scales with your circuit count, all without opening a door.

+/-0.5% true-RMS metering of current, voltage, energy, and power quality
Per-branch-circuit monitoring across all (84) positions
Local touchscreen readout; doors stay closed during inspection
DIN-rail modular and scalable as circuits are added

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Configurations & Models

Three Frame Sizes, One Engineering Standard

SN-225

225A

Row-level distribution for moderate-density white-space and edge deployments where footprint is tight.

SN-400

400A

The workhorse frame for mainstream data center rows, balancing branch count against feeder ampacity.

SN-600

600A

High-density distribution with a main input up to 600A, 100% rated LSI, for the most demanding halls.

Technical Specifications

Sentinel Series RPP at a Glance

Models	SN-225 (225A), SN-400 (400A), SN-600 (600A)
Main Input Breaker	Up to 600A, 100% rated, LSI protection
Voltage	415Y/240 VAC standard; 480Y/277 & 208Y/120 optional; 3-phase Wye, 4-wire, 60 Hz; 480V max
SCCR	14 kAIC @ 480VAC standard; 65 kAIC optional
Branch Positions	(84) single-pole positions; breakers 20A–150A; (28) 30A/3-pole and (28) 50A/3-pole optional
Monitoring	InSight BCMS, integrated branch-circuit metering, ±0.5% true-RMS, local touchscreen
Enclosure	Indoor UL Type 1; 24in x 12in x 90in; top & bottom cable entry
Mounting	Free-standing, wall-mounted, or back-to-back; seismic tested
Options	IR inspection windows; surge protection up to 100kA
Lead Time	4-week delivery; in stock now

Beyond White-Space

Industries We Serve

The same distribution platform deployed across the most demanding power environments.

Data Centers

Row-level branch power and per-circuit visibility for hyperscale, colo, and enterprise halls.

Crypto Mining

High branch-circuit density for sustained, continuous mining loads.

Healthcare

Reliable, metered distribution for clinical and life-safety systems.

Telecom

Branch power for central offices and network edge sites.

Industrial

Rugged, seismic-tested distribution for plant-floor and commercial loads.

Utilities

Distribution engineered to utility and infrastructure standards.