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NXT Power Integrity Max LT UPS Overview
The NXT Power Integrity Max LT UPS (NPTU3000-O-NS) delivers 2700 VA / 2430 W of isolated, online double-conversion power from a 208/240 VAC-capable input. Field-configurable input lets one unit serve either a 208 VAC or 240 VAC circuit, shipping factory-set to 208 VAC. This continuous double-conversion topology regenerates output from an isolated DC bus.
A detachable NEMA L6-30P cord draws from the selected circuit. Output delivers 240/120 VAC across one L6-30R, one L6-20R, one 6-20R duplex, and two 5-20R duplex receptacles. RS-232, USB, and an optional internal SNMP adapter cover local and networked monitoring.
UL1778 listing and NXT Power's three-year warranty cover components and internal batteries. AC-DC-AC efficiency reaches 84%, matching the rest of the Max LT line despite the higher input voltage.
Specifications
| Product Type | Online double-conversion uninterruptible power supply (UPS) |
| Model | NPTU3000-O-NS |
| Topology | Double-conversion, true sine wave output, internal isolation transformer |
| Output Capacity | 2700 VA / 2430 W |
| Input Voltage | 208 VAC or 240 VAC, user-configurable (factory set for 208 VAC); 187–264 VAC range above 75% load, 50/60 Hz auto-detect |
| Input Connection | NEMA L6-30P, detachable 8 ft line cord |
| Input Rated Current | 15.5 A |
| Output Voltage | 240 / 120 VAC |
| Output Receptacles | (1) NEMA L6-30R, (1) L6-20R, (1) 6-20R duplex, (2) 5-20R duplex |
| Output Waveform | True sine wave |
| Voltage Regulation | ±2.0% of nominal (mains or battery) |
| Efficiency | AC-DC-AC ≥84.0%; DC-AC ≥80.0% |
| Battery | 12 V high-rate VRLA, flame retardant; Qty 6 (72 VDC nominal) |
| Backup Time | Approximately 3 minutes at rated load |
| Recharge Time | <8 hours to 90% |
| Communication | RS-232, USB; internal SNMP adapter optional |
| Operating Temperature | 0 to 40 °C (storage/transit −10 to 50 °C) |
| Humidity | 5% to 95%, non-condensing |
| Audible Noise | ≤55 dBA at 1 m from front |
| Heat Dissipation | 1575 BTU/hr |
| Dimensions (H × W × D) | 22.0 × 8.9 × 22.8 in (560 × 227 × 580 mm) |
| Weight | Unit 132 lb (60 kg); Shipping 145 lb (66 kg) |
| Safety / EMC | UL1778, cUL to CSA 22.2 No. 107.3, FCC Part 15J Class A, RoHS |
| Warranty | 3-year, components and internal batteries |
Available Sizes and Configurations
| SKU | Description | Capacity |
| NPTU3000-O-NS | Integrity Max LT UPS, tower, 208/240 VAC (field-configurable) | 2700 VA / 2430 W |
Need standard 120 VAC service instead? The NPTU2000-O-N and NPTU3000-O-N cover 1728 W and 2430 W on 120 VAC circuits.
How to Choose the Right Isolated Max LT UPS
Sizing a Max LT UPS comes down to facility load and available circuits. Weigh these axes before you spec a unit:
- Capacity headroom — size above the combined load; the NPTU3000-O-NS supports up to 2430 W continuous.
- Isolation vs. standard backup — continuous double-conversion output stays isolated and regenerated at all times, unlike backups that only switch after a transfer event.
- Waveform — true sine wave output suits instrument and IT power supplies that reject stepped waveforms.
- Shutdown & communication — RS-232, USB, and an optional SNMP adapter support monitored, networked shutdown.
- Site power — confirm 208 VAC or 240 VAC facility distribution and a NEMA L6-30 receptacle; input is field-configurable between the two.
Laboratory Applications
Facilities with 208 VAC or 240 VAC distribution are the deciding factor for the NPTU3000-O-NS. Equipment rooms already wired for 208/240 VAC service can run instrument racks and IT infrastructure at 2430 W. Configurable input means one part number covers both common facility voltages.
Multi-instrument suites and consolidated server rooms benefit from the mixed 240/120 VAC output. It feeds both 240 V equipment and standard 120 V peripherals from a single unit. Continuous double conversion keeps that combined load isolated and regenerated throughout an outage.
Related Products and Accessories
Explore the full NXT Power line for other capacities and configurations:
- NXT Power Integrity Series UPS — desktop, standard, rack-tower, and Max models.
- NPTU2000-O-N and NPTU3000-O-N — 1728 W and 2430 W models for standard 120 VAC circuits.
Higher-draw, sample-critical equipment this UPS class conditions and bridges through outages:
- Ultra-Low Temperature Freezers — shield -80 °C sample storage from surges, sags, and brief outages.
- Freeze Dryers — protect multi-day lyophilization runs and vacuum integrity.
- Laboratory Incubators — hold culture conditions steady through power disturbances.
- Low-Temperature Freezers — conditioned power and ride-through for -40 to -25 °C storage.
Product Documentation
Ordering
Each NPTU3000-O-NS ships as a complete double-conversion UPS with a detachable line cord and internal batteries installed, field-configurable between 208 VAC and 240 VAC input. LabSupplies.com is an authorized NXT Power dealer, ships from US inventory, and provides direct manufacturer service and support. Contact us to confirm the right configuration for your facility.
Frequently Asked Questions
Is this two different products for 208V and 240V input?
No, it's one unit with field-configurable input voltage, shipped factory-set to 208 VAC and switchable to 240 VAC.
What load can the NPTU3000-O-NS support?
Up to 2700 VA / 2430 W continuous, powered from six internal 12 V VRLA batteries.
What output does it provide?
240/120 VAC across one L6-30R, one L6-20R, one 6-20R duplex, and two 5-20R duplex receptacles.
Does it support remote monitoring?
RS-232 and USB ports are standard, with an internal SNMP adapter available as an option.
How long is the warranty?
Three years, covering components and the internal batteries from the date of shipment.