APC Easy UPS 3S 40kVA (Model: E3SUPS40KHB) — a 3-phase, online double-conversion uninterruptible power supply (UPS).double-conversion uninterruptible power supply

Key Features & Overview

Capacity:

40 kVA / 40 kW  

Topology:

Online double-conversion — continuous AC → DC → AC conversion, which ensures very clean, regulated power.  

Input: Three-phase input

1. Nominal: 400 V 3-phase  
2. Acceptable input voltage range: ~304 V to 477 V  
3. Input frequency: 45–65 Hz  
4. Input power factor: ~0.99 at full load  

Output:

1. Nominal output voltage: 400 V 3-phase (configurable to 380 V or 415 V)  
2. Output frequency: 50/60 Hz (synchronized to mains)  
3. Output voltage distortion: < 3% (THD) on linear load  
4. Output voltage tolerance: ±1.5% (static)  

Efficiency:

1. Up to ~96% in normal (double-conversion) mode.  
2. (Note: some Easy UPS 3S models support an Eco mode for higher efficiency, though datasheet specifics vary)  

Batteries / Runtime:

1. Designed for internal VRLA (sealed lead-acid) batteries, but shipped without batteries installed — you provide/choose battery modules.  
2. Provides 4 “battery slots” (empty) for installing battery modules.  
3. Maximum short-circuit current: 10 kA  

Communications & Management:

1. Interfaces: supports E3S_Parallel, a temperature sensor (E3S_TempSensor) for battery monitoring.  
2. Optional SNMP / network card available (so you can remotely monitor via Ethernet / web / Schneider’s software).  

Physical / Mechanical:

1. Dimensions (H × W × D): about 1400 mm × 500 mm × 996 mm  
2. Net Weight: ~158 kg (without batteries)  
3. Color: White (RAL 9003)  
4. Environmental / Operating Conditions:
5. Operating temperature: 0 °C to 40 °C  
6. Relative humidity: up to 95%, non-condensing  
7. Operating altitude: up to ~3333 ft (~1,016 m)  
8. Acoustic / Noise: Sound level ~63 dBA.  
9. Protection / Design Features:
10. Dust filter included to help with operation in dusty or industrial environments.  
11. Conformal-coated boards (in some versions) for better reliability in “harsh” environments.  
12. Parallel operation: multiple UPS units can be paralleled for redundancy or to scale capacity.  
13. Optional SNMP card or network
14. management for remote monitoring.  
15. Certifications: CE, EAC, RCM  
16. Protection Category: IP20 (i.e., basic protection against solid foreign objects; not protected against water).  
17. Heat Dissipation: ~1,880 W under full load (per datasheet)  

Use Cases / Ideal Applications

1. Medium to large businesses / data centers: Because of its 40 kVA capacity, this UPS is suitable for protecting servers, network equipment, or critical IT infrastructure.
2. Industrial or manufacturing facilities: Good for load protection in environments with 3-phase power and medium-critical loads.
3. Telecom / Network Rooms: For network gear that needs clean, uninterrupted 3-phase power.
4. Redundancy / High-availability setups: With parallel capability, you can design redundancy (N+1) or scale up.

Pros / Strengths

1. Very clean power — Online double-conversion ensures output is isolated from input fluctuations, sags, surges, or noise.
2. High capacity — 40 kVA is substantial; supports serious loads.
3. Efficiency — Good efficiency helps reduce running costs, especially in Eco / energy-saving modes.
4. Flexible battery sizing — Because it ships without batteries, you can size the runtime by choosing the battery modules you want.
5. Compact & serviceable — Relatively compact footprint for 40 kVA, user-friendly maintenance, and dust filters help in less-than-clean environments.

Considerations / Potential Drawbacks

1. No internal batteries pre-installed — Means you’ll need to supply and install the VRLA battery modules, which adds cost and complexity.
2. Weight — At ~158 kg (without batteries), it’s heavy and may require a strong floor or pallet to install.
3. Noise — 63 dBA may be noticeable, depending on your environment.
4. Limited altitude — Specified up to ~1,016 m; in higher-altitude settings, performance may degrade or derate.
5. Environmental sensitivity — While it has some protections, it’s not fully rugged; operating conditions should be kept within spec.

SUMMARY

The APC E3SUPS40KHB (Easy UPS 3S, 40 kVA) is a robust, high-capacity 3-phase UPS designed for business-critical applications. It offers online double-conversion power protection, very good efficiency, and flexible battery configuration, making it suitable for data centers, telecom rooms, or industrial power systems. Its compact and maintainable design, plus parallel capability, make it a versatile choice for continuity-of-service setups.