APC by Schneider Electric Netbotz Spot Fluid Sensor - 15 Ft. - NBES0301

APC by Schneider Electric NBES0301 Spot Fluid Sensor — 15 Ft.

Overview

The APC by Schneider Electric NBES0301 is a spot fluid sensor designed to provide early detection of water or fluid presence at a specific, defined location inside a data center, server room, or network closet. Unlike rope-style leak detection that covers linear runs, the NBES0301 targets a fixed point — directly under a CRAC unit drain pan, beneath a plumbing penetration, or at any single location where a slow drip could go unnoticed long enough to cause equipment damage. The 15-foot cable gives you the reach to position the sensing element precisely where risk concentrates, without requiring the sensor housing to sit in a tight or inaccessible spot. Part of the APC NetBotz environmental monitoring line, the NBES0301 integrates into a broader physical infrastructure monitoring strategy alongside temperature, humidity, and access sensors.

Key Features

• Point-Detection Architecture: The NBES0301 is a spot sensor, not a rope sensor — it monitors one exact location rather than a perimeter. Deploy it directly under the highest-risk point (a condensate drain, chiller line, or roof penetration stub-out) and you get an alert the moment fluid reaches that spot, before it spreads to adjacent equipment.
• 15-Foot Sensor Cable: The 15-foot cable lets you mount the monitoring unit on a wall, rack rail, or accessible surface while routing the sensing tip to the floor beneath a raised-floor tile, inside a containment trough, or under a cabinet — no need to cram the full device into a hard-to-reach location.
• Compact 1.0-Inch Form Factor: At 1.0 inch (2.5 cm) in its smallest dimension and 0.60 lb, this sensor fits in tight cable trays, under equipment footprints, or alongside other cabling without occupying meaningful real estate. The package ships in a 6.0 × 5.0 × 1.0 inch box — straightforward to store and deploy from a standard parts kit.
• Wide Operating Humidity Tolerance (0–95% RH): The sensor operates across the full 0 to 95% relative humidity range without condensation-induced false positives — relevant in hot-aisle/cold-aisle environments where humidity gradients near the cooling perimeter can run high. You're detecting actual fluid accumulation, not ambient moisture spikes.
• Operating Altitude to 10,000 Feet: Rated for installations up to 10,000 feet above sea level, making the NBES0301 deployable in mountain-region data centers and high-altitude network closets without derating or special configuration.
• Storage Stability (5–149°F / -15–65°C): The wide storage temperature range means you can stock these in a warehouse or facilities closet without temperature-controlled storage — a practical consideration when maintaining spare sensor inventory for large multi-site deployments.
• Cable Ties Included: Provided cable ties let you dress and secure the 15-foot sensor cable along a rack rail or cable pathway at installation, keeping the sensing tip positioned accurately over time rather than drifting off-target due to cable sag or foot traffic vibration.

Integration & Compatibility

The NBES0301 belongs to the NetBotz environmental sensor ecosystem and is designed to connect to compatible NetBotz appliances and rack monitors. NetBotz appliances aggregate fluid, temperature, humidity, and access sensor data and feed alerts into APC's EcoStruxure IT infrastructure management platform as well as third-party network management and DCIM systems via SNMP. If you are building out a monitoring layer for a raised-floor data center or a distributed network closet estate, pairing this sensor with a NetBotz rack monitor gives you centralized visibility into fluid events across all monitored locations from a single dashboard. For new deployments, verify the specific NetBotz appliance model in your environment supports the NBES0301 sensor port type before ordering — consult the NetBotz compatibility matrix or your power and infrastructure management documentation. The unit ships as a single piece (PCE unit type, quantity 1 per package).

What's in the Box

• 1x APC NetBotz NBES0301 Spot Fluid Sensor with 15 Ft. cable
• Cable ties

Frequently Asked Questions

Q: What type of leak does the NBES0301 detect — point detection or rope/perimeter detection?

A: The NBES0301 is a spot (point) fluid sensor. It detects fluid presence at a single defined location via the tip of its 15-foot sensor cable. It is not a rope-style sensor and does not cover a linear run or perimeter. Deploy it directly at the highest-risk point in your space — under a condensate drain pan, at a plumbing penetration, or beneath a raised-floor tile near cooling infrastructure.

Q: What NetBotz appliance or monitor does the NBES0301 connect to?

A: The NBES0301 is part of the APC NetBotz sensor ecosystem and connects to compatible NetBotz rack monitors and appliances. Verify sensor port compatibility with your specific NetBotz unit model before deployment — consult the APC NetBotz compatibility documentation for your appliance.

Q: What is the operating humidity range for the NBES0301?

A: The NBES0301 operates across 0 to 95% relative humidity, making it suitable for environments with significant humidity variation, including areas near cooling infrastructure where condensation gradients can be pronounced.

Q: Can the NBES0301 be used in high-altitude data centers?

A: Yes. The NBES0301 is rated for operating altitudes up to 10,000 feet (approximately 3,050 meters) above sea level, suitable for mountain-region facilities or high-altitude network closets.

Q: How long is the sensor cable on the NBES0301?

A: The sensor cable is 15 feet long, allowing you to position the sensing tip at the target location while mounting the sensor housing on a rack rail, wall, or accessible surface nearby.

Q: What does the NBES0301 package include?

A: The package includes one NBES0301 Spot Fluid Sensor with 15-foot cable and cable ties for securing the cable during installation. One unit per package.

Ted Perry

The NBES0301's 15-foot cable is the detail that matters most in practice — you're almost never placing this sensor where you can also conveniently mount the housing. In my experience deploying these in raised-floor environments, the cable reach lets you drop the sensing tip directly under a CRAC unit condensate pan or at a low point in the floor grid while keeping the sensor body accessible on a rack rail where you can actually service it. Spot sensors like this one belong at every discrete risk point: condensate lines, chiller supply connections, and any plumbing penetration through the raised floor envelope.

Technical Highlights:

• 0–95% RH Operating Range: Covers the full humidity envelope you'll encounter in real data center hot-aisle/cold-aisle layouts, including the high-humidity microclimate near active cooling discharge — so ambient moisture gradients won't generate nuisance alerts.
• 10,000 Ft Operating Altitude: No derating required for high-altitude sites — a non-trivial spec if you're supporting facilities in Denver, Salt Lake City, or mountain-region telco huts where many environmental sensors are not altitude-validated.
• 0.60 lb / 1.0-Inch Profile: Light enough and compact enough to zip-tie to a rack vertical without affecting airflow or cable management — the included cable ties make the install clean in a single step.

Deployment Considerations:

• The NBES0301 is a point sensor — it will only alert when fluid physically reaches the sensing tip. In large open floor spaces, you need multiple sensors placed at each discrete drain point or low spot; a single sensor in the center of a room will miss perimeter leaks entirely.
• Confirm your NetBotz appliance or rack monitor has an available sensor port compatible with this sensor before ordering — the NBES0301 ships as a single unit and does not include a hub or controller.

The NBES0301 is the right tool for a targeted monitoring deployment in a colocation or enterprise data center where you've already mapped your highest fluid-risk points — condensate drain lines, humidifier feed connections, and under-floor plumbing penetrations — and need a sensor that places detection exactly there, not in the general vicinity.