TX91 Isolation Online UPS – Laboratory & Precision Power UPS (3.8–10kVA, 120/240V)

Isolation-based online UPS engineered for laboratory instrumentation, analytical systems, and precision electronic environments requiring superior power quality, electrical noise mitigation, and measurement stability. The Xtreme Power TX91 Series is designed for applications where electrical disturbances, grounding instability, and waveform distortion can directly impact system performance, measurement accuracy, and operational reliability.

Key Specifications

• 3.8 / 5 / 6 /  10 kVA
• 240/120V or 230/115V dual-voltage architecture
• Online double-conversion topology
• Optional integrated isolation transformer (galvanic isolation)
• True sine wave output for precision electronics
• Tower form factor
• Internal batteries with extended runtime capability
• Generator compatible
• High-stability output regulation
• 3-year warranty (North America)

Datasheet:
https://xpcc.com/wp-content/uploads/TX91-3.8-10-flyer.pdf

Isolation power quality guide:
https://xpcc.com/isolation-ups-power-quality-guide/

Isolation UPS Architecture

TX91 defines the category of isolation-based online UPS systems for precision power environments.

Unlike conventional transformerless UPS platforms, TX91 incorporates an optional integrated galvanic isolation transformer that electrically separates the utility input from connected loads.

This architecture mitigates:

• Common-mode electrical noise
• Harmonic propagation from shared loads
• Ground reference instability
• Voltage transient propagation

The result is improved waveform integrity and stable operating conditions for sensitive instrumentation and analytical systems.

Where TX91 Fits

TX91 operates as the power-quality-first UPS platform within environments where electrical noise and grounding conditions directly impact system performance.

Within the Xtreme Power architecture:

• A60 / S71 → general-purpose power protection
• P91 → runtime-flexible online UPS
• TX91 → isolation UPS for power quality and instrumentation (this platform)
• J90 → lithium high-density rack UPS
• Li90 → facility-level lithium UPS

TX91 is typically deployed in laboratory environments, industrial measurement systems, and precision electronic applications where standard UPS platforms do not provide sufficient electrical isolation.

Key Advantages of TX91

TX91 is engineered for applications where power quality and electrical isolation are primary design requirements.

• Optional galvanic isolation transformer for electrical separation
• Reduction of common-mode noise and harmonic interference
• Stabilized ground reference for sensitive instrumentation
• High-quality sine wave output for precision electronics
• Improved measurement repeatability and system stability
• Compatible with generator-backed infrastructure

TX91 vs Conventional Online UPS Platforms

Standard online UPS systems are designed primarily for IT load protection and do not address electrical noise or grounding instability at the same level.

TX91 extends beyond traditional UPS functionality by incorporating isolation architecture that improves power quality at the source.

This makes it suitable for environments where:

• Measurement accuracy is affected by electrical noise
• Ground reference variation impacts system performance
• Instrumentation sensitivity exceeds IT-grade requirements

TX91 vs Transformerless UPS Platforms

Transformerless UPS systems prioritize efficiency and compact size but do not provide electrical isolation between input and output.

TX91 introduces galvanic isolation, which:

• Separates input and output electrically
• Reduces noise coupling from upstream systems
• Improves stability in mixed-use electrical environments

Isolation-based UPS architecture is commonly implemented in laboratory and industrial facilities as a best-practice approach for protecting sensitive equipment.

Replace Standard UPS in Laboratory and Industrial Environments

TX91 is commonly deployed to replace conventional UPS systems that do not provide sufficient power quality for sensitive instrumentation.

Typical upgrade scenarios include:

• Laboratory environments experiencing measurement instability
• Industrial facilities with electrically noisy infrastructure
• Analytical systems affected by grounding or harmonic issues
• Research environments requiring repeatable results

Explore comparisons:
https://xpcc.com/tx91-isolation-ups-competitive-comparisons/

Typical Applications

TX91 is deployed in environments where electrical noise, grounding conditions, and waveform quality directly impact system performance. Common applications include analytical laboratory instrumentation, mass spectrometry systems, pharmaceutical and research facilities, industrial measurement and control systems, semiconductor environments, and harsh electrical infrastructure deployments.

Related applications:

• https://xpcc.com/ups-for-mass-spectrometers/
• https://xpcc.com/ups-for-industrial-automation/
• https://xpcc.com/ups-for-harsh-environments/

Capacity and Runtime Strategy

TX91 is designed primarily for power quality stabilization and controlled shutdown rather than long-duration backup.

Typical runtime objectives include:

• Ride-through during short-duration disturbances
• Controlled shutdown of instrumentation
• Stabilization during generator transfer events
• Mitigation of transient disruptions

Runtime is configurable through internal batteries and optional extended runtime configurations.

Laboratory Power Infrastructure Context

Organizations modernizing laboratory and research infrastructure frequently adopt isolation UPS platforms to standardize power quality and reduce risk.

TX91 supports:

• Improved measurement repeatability
• Reduced instrument fault incidence
• Stabilized research environments
• Standardized power quality across facilities

TAA-Compliant Power Protection

TX91 supports regulated laboratory and government deployments requiring Trade Agreements Act compliance.

Learn more:
https://xpcc.com/taa-compliant-ups-single-phase/

Technical Summary

• Topology: Online double conversion
• Capacity: 3.8–10 kVA
• Voltage: 240/120V or 230/115V
• Battery: Internal with extended runtime capability
• Isolation: Optional integrated transformer
• Form Factor: Tower
• Application: Laboratory and precision power environments

Plan With Confidence

Xtreme Power Conversion supports engineers, laboratory planners, and industrial system designers in deploying UPS systems optimized for power quality, electrical isolation, and instrumentation reliability.

Phone: (800) 582-4524
Email: sales@xpcc.com