Description
The EATON KW3400F is a high-efficiency, three-phase uninterruptible power supply (UPS) from Eaton’s 93PM series, engineered for critical infrastructure protection in data centers, industrial automation, and healthcare facilities. Leveraging advanced double-conversion online technology, the EATON KW3400F delivers seamless power conditioning and backup, eliminating voltage sags, surges, and frequency fluctuations with >99% efficiency in ECOnvolution mode. Scalable from 300–500 kVA in a compact 600mm footprint, this modular UPS supports parallel configurations for N+1 redundancy, ensuring zero-downtime operation. Its lithium-ion battery compatibility reduces footprint by 70% and extends lifecycle 3× compared to traditional VRLA batteries. The EATON KW3400F integrates predictive analytics via Eaton’s Intelligent Power Manager (IPM) software, enabling proactive maintenance and energy optimization. For mission-critical operations demanding resilient power, the EATON KW3400F sets the benchmark for reliability, scalability, and total cost of ownership reduction.

EATON KW3400F
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | EATON KW3400F |
| Manufacturer | Eaton |
| Product Type | Three-Phase Modular UPS |
| Power Capacity | 300–500 kVA (field-scalable) |
| Topology | Double-Conversion Online |
| Efficiency | 99% (ECOnvolution mode), 96% (full online) |
| Input Voltage | 380/400/415 V AC, 3PH + N |
| Output Voltage | 380/400/415 V AC, ±1% regulation |
| Battery Options | Lithium-ion (standard) or VRLA |
| Battery Runtime | Configurable (5–30 mins typical) |
| Parallel Capability | Up to 6 units (N+1 redundancy) |
| Communication Ports | Ethernet, USB, dry contacts, SNMP/Modbus card slot |
| Form Factor | 600mm W × 1000mm H × 1000mm D |
| Weight | 650 kg (with batteries) |
| Operating Temperature | 0°C to 40°C |
| Certifications | UL 1778, IEC 62040-1, ISO 9001 |
Main Features and Advantages
Energy-adaptive operation: Auto-toggles between double-conversion and high-efficiency ECOnvolution modes, reducing energy losses by 40% while maintaining IEE 944 power protection. Modular redundancy: Hot-swappable power modules (25 kVA each) enable capacity expansion or repairs without shutdowns—replace failed units in <5>Lithium-ion readiness: Native support for Li-ion batteries cuts weight by 60% and offers 10-year design life versus 3–5 years for VRLA. Predictive intelligence: Integrated sensors monitor capacitor wear, fan health, and battery impedance, triggering alerts via IPM software before failures. Grid-interactive capabilities: Voltage/frequency ride-through maintains output stability during grid fluctuations (±20% voltage, ±5 Hz frequency). Compared to legacy UPS systems, the EATON KW3400F reduces cooling costs by 30% through Eco-mode operation and achieves 97% efficiency at 25% load.

EATON KW3400F
Application Field
The EATON KW3400F safeguards operations where power continuity is non-negotiable. Tier III/IV data centers deploy it for concurrent maintainability, supporting live module swaps during 2N electrical designs. Manufacturing plants utilize its voltage regulation to protect CNC machines and PLCs from voltage transients caused by motor starts. Hospitals rely on the EATON KW3400F for MRI and life support systems, with automatic bypass ensuring uptime during overloads. Semiconductor fabs leverage its harmonic filtering (<3>EATON KW3400F consistently mitigates risks in environments where $10k+/minute downtime costs occur.
Related Products
EATON PW9130L: Lithium-ion battery cabinet for extending KW3400F runtime.
EATON 93PM UPS Controller: Centralized management module for parallel systems.
EATON SNMPWEBCARD: Network monitoring card for remote KW3400F diagnostics.
EATON 9395: Non-modular UPS (800 kVA) for high-density deployments.
EATON EBM: External battery module supporting VRLA/Li-ion.
EATON Gigabit Network Card: Cybersecurity-hardened communication interface.
EATON IPM Software: Enterprise platform for multi-UPS analytics.



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