Emerson 250 Recommended conduit and cable sizes, Rectifier Input, Bypass Input, Battery, Bonding

Page 30

 

 

 

 

 

 

 

 

 

Specifications

Table 12

Recommended conduit and cable sizes

 

 

 

 

 

 

 

 

 

 

 

 

Rectifier Input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Voltage

 

Nominal Selection

Alternate Selection

UPS Rating

 

 

(VAC)

 

 

 

 

 

 

 

 

Top Cable Entry Input

Bottom Cable Entry

Top Cable Entry Input

Bottom Cable Entry

 

 

 

 

 

 

kVA

kW

Input

 

Bypass

Output

Wire & Conduit

Input Wire & Conduit

Wire & Conduit

Input Wire & Conduit

 

Ph, G THW / FMC

Ph, G THW / RNC

Ph, G THW / FMC

Ph, G THW / RNC

250

225

480

 

480

480

(2) 2.5C 3-250kcmil,

(2) 2.5C 3-250kcmil,

(3) 2C 3-#2/0AWG,

(3) 2C 3-#2/0AWG,

 

#1/0AWG

#1/0AWG

#1/0AWG

#1/0AWG

 

 

 

 

 

 

300

270

480

 

480

480

(2) 3C 3-350kcmil,

(2) 3C 3-350kcmil,

(3) 2.5C 3-#4/0AWG,

(3) 2.5C 3-#4/0AWG,

 

#1/0AWG

#1/0AWG

#1/0AWG

#1/0AWG

 

 

 

 

 

 

400

360

480

 

480

480

(2) 3C 3-500kcmil,

(2) 3.5C 3-500kcmil,

(3) 2.5C 3-250kcmil,

(3) 2.5C 3-250kcmil,

 

#1/0AWG

#1/0AWG

#1/0AWG

#1/0AWG

 

 

 

 

 

 

Bypass Input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UPS Rating

 

Voltage (VAC)

Nominal Selection

Alternate Selection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Top Cable Entry Input

Bottom Cable Entry

Top Cable Entry Input

Bottom Cable Entry

kVA

kW

Input

 

Bypass

Output

Wire & Conduit

Input Wire & Conduit

Wire & Conduit

Input Wire & Conduit

 

Ph, N, G THW / FMC

Ph, N, G THW / RNC

Ph, N, G THW / FMC

Ph, N, G THW / RNC

250

225

480

 

480

480

(2) 3C 3-250kcmil,

(2) 3C 3-250kcmil,

(3) 2C 3-#2/0AWG,

(3) 2.5C 3-#2/0AWG,

 

2-250kcmil, #1/0AWG

2-250kcmil, #1/0AWG

2-#2/0AWG, #1/0AWG

2-#2/0AWG, #1/0AWG

 

 

 

 

 

 

300

270

480

 

480

480

(2) 3.5C 3-350kcmil,

(2) 3.5C 3-350kcmil,

(3) 3C 3-#4/0AWG,

(3) 3C 3-#4/0AWG,

 

2-350kcmil, #1/0AWG

2-350kcmil, #1/0AWG

2-#4/0AWG, #1/0AWG

2-#4/0AWG, #1/0AWG

 

 

 

 

 

 

400

360

480

 

480

480

(2) 4C 3-500kcmil,

(2) 4C 3-500kcmil,

(3) 3C 3-250kcmil,

(3) 3C 3-250kcmil,

 

2-500kcmil, #1/0AWG

2-500kcmil, #1/0AWG

2-250kcmil, #1/0AWG

2-250kcmil, #1/0AWG

 

 

 

 

 

 

Output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UPS Rating

 

Voltage (VAC)

Nominal Selection

Alternate Selection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Top Cable Entry Input

Bottom Cable Entry Input

Top Cable Entry Input

Bottom Cable Entry

kVA

kW

Input

 

Bypass

Output

Wire & Conduit

Wire & Conduit

Wire & Conduit

Input Wire & Conduit

 

Ph, N, G THW / FMC

Ph, N, G THW / RNC

Ph, N, G THW / FMC

Ph, N, G THW / RNC

250

225

480

 

480

480

(2) 3C 3-250kcmil,

(2) 3C 3-250kcmil,

(3) 2C 3-#2/0AWG,

(3) 2.5C 3-#2/0AWG,

 

2-250kcmil, #1/0AWG

2-250kcmil, #1/0AWG

2-#2/0AWG, #1/0AWG

2-#2/0AWG, #1/0AWG

 

 

 

 

 

 

300

270

480

 

480

480

(2) 3.5C 3-350kcmil,

(2) 3.5C 3-350kcmil,

(3) 3C 3-#4/0AWG,

(3) 3C 3-#4/0AWG,

 

2-350kcmil, #1/0AWG

2-350kcmil, #1/0AWG

2-#4/0AWG, #1/0AWG

2-#4/0AWG, #1/0AWG

 

 

 

 

 

 

400

360

480

 

480

480

(2) 4C 3-500kcmil,

(2) 4C 3-500kcmil,

(3) 3C 3-250kcmil,

(3) 3C 3-250kcmil,

 

2-500kcmil, #1/0AWG

2-500kcmil, #1/0AWG

2-250kcmil, #1/0AWG

2-250kcmil, #1/0AWG

 

 

 

 

 

 

Battery

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UPS Rating

 

Voltage (VAC)

Nominal Selection

Alternate Selection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Top Cable Entry Input

Bottom Cable Entry Input

Top Cable Entry Input

Bottom Cable Entry Input

kVA

kW

Input

 

Bypass

Output

Wire & Conduit

Wire & Conduit

Wire & Conduit

Wire & Conduit

 

Wires, G THW / FMC

Wires, G THW / RNC

Wires, G THW / FMC

Wires, G THW / RNC

250

225

480

 

480

480

(2) 2.5C 2-350kcmil,

(2) 2.5C 2-350kcmil,

(3) 2C 2-#4/0AWG,

(3) 2C 2-#4/0AWG,

 

#1/0AWG

#1/0AWG

#1/0AWG

#1/0AWG

 

 

 

 

 

 

300

270

480

 

480

480

(2) 2.5C 2-500kcmil,

(2) 3C 2-500kcmil,

(3) 2C 2-250kcmil,

(3) 2C 2-250kcmil,

 

#1/0AWG

#1/0AWG

#1/0AWG

#1/0AWG

 

 

 

 

 

 

 

 

 

 

 

 

(3) 2.5C 2-500kcmil,

(3) 2.5C 2-500kcmil,

(4) 2C 2-250kcmil,

(4) 2.5C 2-250kcmil,

400

360

480

 

480

480

#2/0AWG

 

#2/0AWG

#2/0AWG

#2/0AWG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bonding

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UPS Rating

 

Voltage (VAC)

Main Bonding Jumper/

 

 

 

 

 

 

 

 

 

Grounding Electrode

 

 

 

kVA

kW

Input

 

Bypass

Output

Conductor

 

 

 

 

 

 

 

 

 

 

 

 

 

250

225

480

 

480

480

(1) #1/0AWG/ (1)

 

 

 

 

#1/0AWG

 

 

 

 

 

 

 

 

 

 

 

 

300

270

480

 

480

480

(1) #2/0AWG/ (1)

 

 

 

 

#2/0AWG

 

 

 

 

 

 

 

 

 

 

 

 

400

360

480

 

480

480

(1) #2/0AWG/ (1)

 

 

 

 

#2/0AWG

 

 

 

 

 

 

 

 

 

 

 

 

If UPS is used in a four-wire system, the neutral ground jumper must be removed.

26

Image 30
Contents Liebert NXL Product Warranty Registration Contacting Liebert for SupportTable of Contents Figures Important Safety Instructions Page Preliminary Checks SINGLE-MODULE Mechanical InstallationIntroduction Environmental ConsiderationsPositioning System CompositionMaintenance Bypass Cabinet Cable EntryExternal Protective Devices Power CablesUPS Electrical Installation Dual InputPower Cable Connection Procedure Top Cable EntryControl Cable and Communications External Interface Board connections layoutControl Status Inputs Dry Contact Dry ContactsEPO Input Dry Contact Remote EPO inputSwitch Auxiliary Inputs Dry Contacts Control Status Output Dry ContactsLoad Bus Synch Connection Single-Module System Options Communication and MonitoringOptional Equipment Installation Drawings Main components location, 250kVA Liebert NXL UPSTop View Doors Open Doors and Inner Skins Removed Outline drawing, 300kVA Liebert NXL UPS Front Front View Side View Front View Right Side View Front Doors Removed Front Detail a Battery & DC Parameters SpecificationsLiebert NXL UPS specifications 250 300 400 Input Parameters250 300 400 Physical Parameters and Standards, in mm Environmental ParametersCurrent ratings-rectifier input Current ratings-batteryLiebert NXL system and inverter efficiencies Current ratings-bypass inputRectifier Input BatteryRecommended conduit and cable sizes Bypass InputRecommended lug sizes Series Cable Size One Hole Two HoleTi n Ne tIti That
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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.

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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.