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Emerson Specifications, Liebert NXL UPS specifications, 250 300 400 Input Parameters

Models: 250

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Specifications

5.0SPECIFICATIONS

Table 6

Liebert NXL UPS specifications

 

 

 

 

 

 

 

 

 

 

 

 

 

 

250

 

300

 

400

 

 

 

 

 

 

Input Parameters

 

 

 

 

 

 

Input Voltage to Rectifier, VAC

 

480V 3-phase, 3-wire

 

 

Input Voltage to Bypass, VAC

 

480V 3-phase, 3-wire or 4-wire

 

 

 

 

 

+10% to -15

 

 

Input Voltage Range, VAC

 

 

-15% to -20%*

 

 

 

 

-20% to -30%**

 

 

 

 

 

 

 

 

 

<-30%***

 

 

 

 

 

 

 

 

 

Input Frequency, Hz

 

60

 

 

 

Permissible Input Frequency Range, Hz

 

 

55 to 65

 

 

Input THDi at Nominal Voltage at Full Load, %

<10% with 6-pulse & Passive Filter

 

Power Walk-In, sec

3 to 30 (selectable) in 1 sec. Increment

 

Neutral Current

 

1.7 times full-phase current

 

Battery & DC Parameters

 

 

 

 

 

 

Battery Type

VRLA (Valve Regulated Lead Acid) or

 

 

(FLA) Flooded Lead Acid

 

 

 

 

 

 

Nominal Battery Bus, VDC

 

 

480V

 

 

Battery Float Voltage, VDC

 

 

540V

 

 

Minimum End of Discharge Voltage, VDC

384V (for VRLA / Flooded Lead Acid)

 

DC Ripple Voltage in Float & Const V Ch. Mode, %

 

<1 (RMS value) < 3,4% Vpp

 

 

Temperature Compensated Battery Charging

Standard (with temperature probe)

Output Parameters

 

 

 

 

 

 

Inverter Type

IGBT-based Sine-Sine PWM Controlled

 

Output Power, kW

225

 

270

 

360

 

Output Voltage, VAC

 

 

480V 3-ph, 4-w

 

 

 

Output Voltage Regulation, %

 

< 1% (3-phase RMS average)

 

 

Output Voltage Regulation (100% Unb. Load)

 

< 2% (3-phase RMS average)

 

 

Output Frequency, Hz

 

60

 

 

 

Output Frequency Regulation, %

 

± 0.1

 

 

 

Output THDu Linear Load at Nominal Voltage, %

 

<2%

 

 

 

Output THDu at Nominal Voltage

 

 

2.5% (max)

 

 

Including a 100kVA Non Linear Load per EN 62040-3, %

 

 

 

 

 

 

 

 

 

 

Capacity to Handle High Crest Factor Load

 

3:1

 

 

 

Capacity to handle Step Load, %

 

 

0-100 or 100-0

 

 

Transient Recovery (linear loads), %

Within 5% peak-to-peak in one line cycle.

 

Unbalance Loads Current Capacity

 

100% of nominal phase current

 

 

Capacity to Handle Leading PF Load

 

 

 

 

 

 

0.9 lag to Nom

 

Subject to Max. kW rating

 

 

at 0.95 Lead

 

Subject to Max. kW rating

 

 

at 0,9 Lead

Subject to 12.5% kW derate or same Rating

 

 

and 10°C Temp. Derate

 

 

 

 

 

 

Voltage Displacement, ° el

120° ±1° el (with 100% unbalanced load)

 

Compliance to FCC Class-A

 

 

Standard

 

 

 

 

105% for 85 minutes

 

 

Overload Conditions, % FL

 

110% for 60 minutes

 

 

 

125% for 10 minutes

 

 

 

 

 

 

 

 

 

150% for 1 minute

 

 

 

 

 

 

 

 

*The UPS will operate at full load, but the battery charge will either be reduced or off (depending on input current).

**The UPS will operate at full load, but UPS may source share with the batteries (depending on input current).

***UPS will be in Battery mode

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Emerson Specifications, Liebert NXL UPS specifications, 250 300 400 Input Parameters, Battery & DC Parameters
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250 specifications

Emerson 250 and 350 are cutting-edge products that represent a significant leap in automation technology and process control systems. Designed with a focus on versatility, reliability, and efficiency, these systems are tailored to meet the demands of various industries, including manufacturing, oil and gas, and chemical processing.

One of the standout features of the Emerson 250 and 350 is their advanced control algorithms. These algorithms enable precise control of processes, allowing for enhanced stability and improved operational efficiency. By optimizing real-time decision-making, the systems can adapt to variable operating conditions, thereby reducing downtime and enhancing productivity.

The Emerson 250 and 350 are equipped with intuitive user interfaces that streamline operation and monitoring. These interfaces provide operators with easy access to critical data and insights, facilitating informed decision-making. The systems’ graphical displays and touch-screen capabilities enhance user experience, making it easier to configure settings and respond to alerts promptly.

Moreover, both models are built with robust communication protocols, ensuring seamless integration with existing infrastructure. This adaptability enables businesses to leverage their current investments in technology while expanding their automation capabilities. The systems support various communication standards, including OPC, Ethernet/IP, and Modbus, ensuring they can connect effortlessly to other devices and databases.

Another key characteristic of the Emerson 250 and 350 is their scalability. Designed to grow alongside a business, these systems can be expanded or modified to accommodate increasing operational demands. This flexibility is critical in today's fast-paced industrial environment, where agility and responsiveness are paramount.

In terms of reliability, the Emerson 250 and 350 boast rugged designs that withstand the harsh conditions often present in industrial settings. With features like enhanced environmental resistance and fail-safe mechanisms, these systems ensure continuous operation and minimize the risk of failures, providing peace of mind for operators.

In summary, the Emerson 250 and 350 stand out with their advanced control algorithms, user-friendly interfaces, robust communication capabilities, scalability, and reliability. These characteristics make them ideal solutions for businesses aiming to improve automation and process control while adapting to the ever-evolving demands of the industrial sector.