APC Easy UPS 3S Pro 15kVA 400V 3:3 UPS for internal batteries

15000 VA · 15000 W W · Double-conversion (Online)

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Capacity 15000 VA
Wattage 15000 W
Topology Double-conversion (Online)

APC Easy UPS 3S Pro 15kVA 400V 3:3 UPS for internal batteries is a double-conversion (online) UPS rated 15000 VA (15000 W). Add up what you plug in (PC, monitor, router) and keep it under about 70% of the watt rating, so it doesn't run flat in seconds during a power cut. It came out in 2026.

Released: 2026-01-28

Specifications

Key specs

Capacity: 15000 VA
Wattage: 15000 W
Topology: Double-conversion (Online)
Released: 2026-01-28
Part number: E3SP15KHB
EAN / UPC: 0731304791553

Features

UPS topology: Double-conversion (Online)
Output power capacity: 15 kVA
Output power: 15000 W
Input operation voltage (min): 380 V
Input operation voltage (max): 415 V
Input frequency: 40/70 Hz
Output operation voltage (min): 380 V
Output operation voltage (max): 415 V
Output frequency: 50/60 Hz
Heat dissipation: 2197 BTU/h
Number of input phases: 3
Number of output phases: 3
Crest factor: 3:1
Output voltage Total Harmonic Distortion (THD): 5%
Input current Total Harmonic Distortion (THD): 3%
Noise level: 56 dB

Battery

Battery technology: Lead-Acid

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Design

Form factor: Tower
Product colour: White
Control type: Touch
Display type: LCD
International Protection (IP) code: IP20

Operational conditions

Operating temperature (T-T): 0 - 40 °C
Storage temperature (T-T): -25 - 55 °C
Operating relative humidity (H-H): 0 - 95%
Storage relative humidity (H-H): 0 - 95%

Power

Input current (max): 23 A

Weight & dimensions

Width: 380 mm
Depth: 907 mm
Height: 1400 mm
Weight: 119 kg

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About this product

High-efficiency 3-phase UPS that features advanced product features, competitive specifications, and robust electrical design, making business continuity easy in the data center or electrical room. This is an exceptionally easy to install, operate, maintain, and service 15 kVA UPS, ideal for small and medium businesses. Includes dust filter and conformance-coated boards for harsh environments. This UPS is for internal batteries, but is supplied without batteries, so you can easily customize the battery runtime.

User manual (PDF) · Datasheet (PDF)

Easy UPS 3S Pro 15kVA 400V 3:3 UPS for internal batteries vs similar UPS

	APC Easy UPS 3S Pro 15kVA 400V 3:3 UPS for internal batteries	APC E3SUPS15KFB1 15000 VA UPS	APC SRYL15K20RMXLT 15000 VA UPS	APC SRYL15K15RMXLT 15000 VA UPS
Capacity	15000 VA	15000 VA	15000 VA	15000 VA
Wattage	15000 W	15000 W	15000 W	15000 W
Topology	Double-conversion (Online)	Double-conversion (Online)	Double-conversion (Online)	Double-conversion (Online)
Released	2026	2026	2023	2022