APC Galaxy PW 2nd Gen 10kVA Industrial UPS (EPWUPS10KH6PS) | 6-Pulse Rectifier & Output Isolation Transformer

The APC Galaxy PW 2nd Gen 10kVA (EPWUPS10KH6PS) is a heavy-duty, industrial-grade 3-phase uninterruptible power supply engineered for the most demanding environments, such as petrochemical plants and offshore platforms. Unlike standard commercial UPS units, this 2nd Generation Galaxy PW features a robust 6-pulse rectifier and a built-in output isolation transformer, providing true galvanic isolation to protect critical loads from DC bus disturbances. Operating on a 384V DC architecture, it comes standard with a bypass input and a manual maintenance bypass switch, ensuring maximum availability and safety during industrial power transitions.

Key Functions and Features

Built-in Output Isolation Transformer: Provides complete electrical isolation between the UPS output and the critical load. This is essential for industrial sites to eliminate common-mode noise and protect sensitive control systems from DC-side faults.

Robust 6-Pulse Rectifier Technology: Proven industrial design that offers high reliability and durability against input power fluctuations, making it ideal for sites with unstable grid conditions.

High-Availability Bypass System: Standardly equipped with a Static Bypass Input and an internal Maintenance Bypass Switch, allowing for seamless servicing without interrupting power to the critical industrial process.

Industrial-Grade DC Bus (384V): Optimized for long-duration backup and compatible with rugged industrial battery banks, ensuring stable voltage regulation during deep discharge cycles.

Extreme Environmental Resilience: Designed with industrial-grade components and a heavy-duty chassis to withstand the vibrations, dust, and temperature variations common in the petrochemical and manufacturing sectors.

Three-Proof Coating Protection: Internal PCBs are treated with an anti-corrosion, anti-moisture, and anti-dust coating, ensuring long-term reliability in humid or chemically aggressive atmospheres.

Technical Specifications

Specification Item	Technical Detail (EPWUPS10KH6PS)
Model Number	EPWUPS10KH6PS (Galaxy PW 2nd Gen)
Power Capacity	10 kVA / 9 kW
Rectifier Type	6-Pulse Rectifier
Isolation Transformer	Integrated Output Isolation Transformer
Nominal DC Voltage	384 VDC
Input Phase	3-Phase
Output Phase	1-Phase or 3-Phase (Configurable by site)
Nominal Voltage	380V / 400V / 415V VAC
Topology	Double Conversion Online (Industrial Grade)
Bypass System	Built-in Static Bypass & Maintenance Bypass Switch
Operating Temperature	0°C to 40°C (Industrial Continuous Rated)
Efficiency	Optimized for Industrial Load Profiles
Protection Class	IP20 (Optional higher protection available)
Compliance	IEC 62040-1, IEC 62040-2, Petrochemical Standards

Wide Range of Applications

The Galaxy PW 2nd Gen 10kVA is specifically built for the “Hard Industrial” sector:

Petrochemical & Oil Gas: Protects DCS (Distributed Control Systems), PLC cabinets, and emergency shutdown systems on rigs and in refineries.

Heavy Manufacturing: Provides stable power for high-precision CNC machinery and automated assembly lines where electrical isolation is required.

Power Generation & Utilities: Ensures continuous operation of monitoring and control systems in thermal or hydroelectric power plants.

Marine & Offshore: Robust construction makes it suitable for the vibration and salt-mist environments of maritime applications.

Mining & Metal Processing: Withstands the harsh, dusty, and electrically noisy conditions of extraction and smelting operations.

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Frequently Asked Questions (FAQ)

Q1: Why is an output isolation transformer necessary for petrochemical applications?

A: In petrochemical sites, electrical noise and ground faults are common. An isolation transformer creates a new “neutral-to-ground” bond, preventing electrical disturbances from the utility or the UPS DC bus from reaching and damaging sensitive control logic.

Q2: What is the benefit of the 2nd Gen Galaxy PW over the 1st Gen?

A: The 2nd Generation features optimized control logic, improved cooling efficiency, and more robust internal component selection, specifically designed to meet modern industrial safety and reliability standards.

Q3: Does the 6-pulse rectifier affect input power quality?

A: While 6-pulse rectifiers are known for durability, they do generate some THDi. However, for industrial environments, the trade-off for significantly higher reliability and a simpler, more rugged design is usually preferred by plant engineers.

Q4: Can I perform maintenance on the UPS while my equipment is still running?

A: Yes. The built-in Maintenance Bypass Switch allows you to isolate the internal UPS electronics for repair or service while keeping the load powered via the bypass line.

Q5: Is the 384V DC bus compatible with my existing battery banks?

A: 384V is a standard industrial DC bus voltage for 10kVA units, typically consisting of 32 units of 12V batteries. Please consult our technical team to ensure your battery discharge rate matches the industrial load profile.

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