Eaton 9SX5KI UPS backup power source

The Eaton 9SX5KI is a reliable online double-conversion UPS designed to provide continuous power protection for critical equipment in IT, industrial, and laboratory applications. It delivers a stable sine wave output with precise voltage and frequency regulation, ensuring maximum reliability even under fluctuating input conditions.

With high efficiency of up to 94.2% at full load, it helps reduce operating costs. The internal bypass ensures power continuity in case of a fault, while advanced battery management (ABM) extends battery life and optimizes charging cycles. The Eaton 9SX5KI UPS supports connection of external battery modules (EBM).

The unit features a clear multilingual LCD display and a wide range of communication options including USB, RS232, and dry contacts. Its compact tower design allows easy integration into various environments.

Eaton 9SX5KI UPS

Key features

• Online double-conversion UPS
• 5000 VA / 4500 W output power
• Efficiency up to 94.2%
• Sine wave output with low distortion (≤3%)
• Internal bypass
• ABM battery management (extended battery life)
• Support for external battery modules (EBM)
• Multilingual LCD display
• Communication interfaces: USB, RS232, relay contacts
• Slot for optional communication card

Eaton 9SX5KI UPS

Technical specifications

General

• Model: Eaton 9SX5KI
• Part number: 9SX5KI
• Form factor: Tower
• Color: Black
• Efficiency: up to 94.2%
• Internal bypass: Yes
• Phase (input/output): 1 / 1
• Certifications:
  • IEC/EN 62040-1
  • IEC/EN 62040-2
  • CE
  • EAC

Electrical input

• Input voltage range: 176–276 V (120–276 V with derating)
• Nominal voltage: default 230 V (200/208/220/230/240 V)
• Input frequency range: 40–70 Hz
• Nominal frequency: 50/60 Hz
• Input power factor: >0.99
• Connection: Hardwired / terminal block

Electrical output

• Power rating: 5000 VA / 4500 W
• Output voltage: 230 V (200/208/220/230/240 V) ±2%
• Output frequency: 50/60 Hz
• Power factor: 0.9
• Waveform: Sine wave
• THD: ≤3%
• Topology: Online / double conversion

Battery

• Type: Sealed lead-acid (VRLA)
• Quantity: 20 × 12 V / 7 Ah
• Management: ABM with temperature compensation
• Features: Automatic battery test, deep discharge protection
• Expandability: External battery modules (EBM)
• Replacement: User-replaceable
• Runtime graph: runtime graph

Communication

• USB: Yes (HID compatible)
• RS232: Yes
• Dry contacts: Yes (2 outputs, 1 input)
• RPO: Yes (remote power off)
• Expansion slot: 1× for communication card
• Software: Eaton Intelligent Power Manager, Intelligent Power Protector

Physical parameters

• Dimensions (H × W × D): 57.5 × 24.4 × 54.2 cm
• Weight: 65.5 kg

Operating conditions

• Noise level: <46 dB (at 1 m)
• Temperature: 0–40 °C
• Relative humidity: 0–96% non-condensing
• Altitude: up to 3000 m

Eaton 9SX5KI UPS