LS Series Technical Details & Options

Listing of Standard Sizes

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NOTE

Sound Pressure [SPL db(A)] is all octave band frequencies at a distance of 10 feet using a propagation of 1/8 spherical. These are calculated values and should be used a guideline only.

NOTE: Specifications subject to change.

OPTIONS

The Automatic Load Level Controller [ A ] will add/subtract load bank load in response to dynamic power fluctuations of the connected building load. It utilizes the load bank as a “supplemental load” for maintaining a minimum load on the power source. Customer “transfer of control” contact closure initiates the load bank and time delay load application circuit. A separately supplied current transformer provides the necessary feedback signal for sensing building load.

Regenerative/ Reverse power Load Step Controls [AA] sense forward and reverse power modes. Must be used with Automatic Load Level Controller.

Integral Control Power Transformer [ T ] which delivers the necessary 120 Volt AC, 1-phase, 60 Hertz power required for control circuit operation. Control power transformer is wired to blower motor circuit and is primary and secondary fuse protected.

Local Operator Control Panel [ L ] - The Remote Operator Control Panel is provided as a Local Control Panel which is mounted and wired to the Load Bank Enclosure. 

Digital Power Meter [ M ]: Fully equipped, 3-phase Digital Metering System that measures a standard range of 16 load parameters. Includes RS485 (Modbus protocol) for remote reading - compatible with PC, PLC, and data loggers. See additional details at: http://www.multitek-ltd.com/HTMs/M800/M850.htm.

Horizontal Airflow Discharge [ LB ] units are available up to 500kW.

Pilot Relay Control [P] allows load bank control from external customer control circuit.

Arctic Duty [E] provides for operation down to -40F

Gravity Louver [G] option provides a stainless steel air-gravity louver in place of fixed exhaust hood.

LS50

SPECIFICATIONS
  LS50-240-480-10 LS50-480-10 LS50-600-10
Capacity (kW) 50 50 50
Voltage (VAC, 3-Phase) 240/480 480 600
Load Type Resistive Resistive Resistive
Amps per Phase (A) 120/60 60 48
Load Step Resolution (kW) 10 10 10
Frequency (Hz) 60 60 60
Power Factor 1.0 1.0 1.0
Motor HP 0.5 0.5 0.5
Airflow CFM 4300 4300 4300
Airflow Discharge Vertical or Horizontal Vertical or Horizontal Vertical or Horizontal
SPL dB(A) 74 74 74
Dimensions 27"W x 31"D x 52"H 27"W x 31"D x 52"H 27"W x 31"D x 52"H
Weight (lbs) 400 400 400

  

LS75

SPECIFICATIONS
  LS75-240-480-10 LS75-480-10 LS75-600-10
Capacity (kW) 75 75 75
Voltage (VAC, 3-Phase) 240/480 480 600
Load Type Resistive Resistive Resistive
Amps per Phase (A) 180/90 90 72
Load Step Resolution (kW) 10 10 10
Frequency (Hz) 60 60 60
Power Factor 1.0 1.0 1.0
Motor HP 0.5 0.5 0.5
Airflow CFM 4300 4300 4300
Airflow Discharge Vertical or Horizontal Vertical or Horizontal Vertical or Horizontal
SPL dB(A) 74 74 74
Dimensions 27"W x 31"D x 52"H 27"W x 31"D x 52"H 27"W x 31"D x 52"H
Weight (lbs) 400 400 400

 

LS100

SPECIFICATIONS
  LS100-240-480-10 LS100-480-10 LS100-600-10
Capacity (kW) 100 100 100
Voltage (VAC, 3-Phase) 240/480 480 600
Load Type Resistive Resistive Resistive
Amps per Phase (A) 240/120 120 96
Load Step Resolution (kW) 10 10 10
Frequency (Hz) 60 60 60
Power Factor 1.0 1.0 1.0
Motor HP 1.0 1.0 1.0
Airflow CFM 5300 5300 5300
Airflow Discharge Vertical or Horizontal Vertical or Horizontal Vertical or Horizontal
SPL dB(A) 82 82 82
Dimensions 27"W x 31"D x 52"H 27"W x 31"D x 52"H 27"W x 31"D x 52"H
Weight (lbs) 450 450 450

 

LS125

SPECIFICATIONS
  LS125-240-480-10 LS125-480-10 LS125-600-10
Capacity (kW) 125 125 125
Voltage (VAC, 3-Phase) 240/480 480 600
Load Type Resistive Resistive Resistive
Amps per Phase (A) 300/150 150 120
Load Step Resolution (kW) 10 10 10
Frequency (Hz) 60 60 60
Power Factor 1.0 1.0 1.0
Motor HP 1.0 1.0 1.0
Airflow CFM 5300 5300 5300
Airflow Discharge Vertical or Horizontal Vertical or Horizontal Vertical or Horizontal
SPL dB(A) 82 82 82
Dimensions 27"W x 31"D x 52"H 27"W x 31"D x 52"H 27"W x 31"D x 52"H
Weight (lbs) 450 450 450

 

LS150

SPECIFICATIONS
  LS150-240-480-25 LS150-480-25 LS150-600-25
Capacity (kW) 150 150 150
Voltage (VAC, 3-Phase) 240/480 480 600
Load Type Resistive Resistive Resistive
Amps per Phase (A) 360/180 180 144
Load Step Resolution (kW) 25 (optionally 10) 25 (optionally 10) 25 (optionally 10)
Frequency (Hz) 60 60 60
Power Factor 1.0 1.0 1.0
Motor HP 1.0 1.0 1.0
Airflow CFM 5300 5300 5300
Airflow Discharge Vertical or Horizontal Vertical or Horizontal Vertical or Horizontal
SPL dB(A) 82 82 82
Dimensions 27"W x 31"D x 52"H 27"W x 31"D x 52"H 27"W x 31"D x 52"H
Weight (lbs) 500 500 500

 

LS200

SPECIFICATIONS
  LS200-240-480-25 LS200-480-25 LS200-600-25
Capacity (kW) 200 200 200
Voltage (VAC, 3-Phase) 240/480 480 600
Load Type Resistive Resistive Resistive
Amps per Phase (A) 480/240 240 192
Load Step Resolution (kW) 25 (optionally 10) 25 (optionally 10) 25 (optionally 10)
Frequency (Hz) 60 60 60
Power Factor 1.0 1.0 1.0
Motor HP 1.0 1.0 1.0
Airflow CFM 5300 5300 5300
Airflow Discharge Vertical or Horizontal Vertical or Horizontal Vertical or Horizontal
SPL dB(A) 82 82 82
Dimensions 27"W x 31"D x 52"H 27"W x 31"D x 52"H 27"W x 31"D x 52"H
Weight (lbs) 550 500 500

 

LS250

SPECIFICATIONS
  LS250-240-480-25 LS250-480-25 LS250-600-25
Capacity (kW) 250 250 250
Voltage (VAC, 3-Phase) 240/480 480 600
Load Type Resistive Resistive Resistive
Amps per Phase (A) 601/300 300 240
Load Step Resolution (kW) 25 (optionally 10) 25 (optionally 10) 25 (optionally 10)
Frequency (Hz) 60 60 60
Power Factor 1.0 1.0 1.0
Motor HP 2.0 2.0 2.0
Airflow CFM 9800 9800 9800
Airflow Discharge Vertical or Horizontal Vertical or Horizontal Vertical or Horizontal
SPL dB(A) 85 85 85
Dimensions 40.25"W x 52.5"D x 57"H 40.25"W x 52.5"D x 57"H 40.25"W x 52.5"D x 57"H
Weight (lbs) 900 850 850

 

LS300

SPECIFICATIONS
  LS300-240-480-25 LS300-480-25 LS300-600-25
Capacity (kW) 300 300 250
Voltage (VAC, 3-Phase) 240/480 480 600
Load Type Resistive Resistive Resistive
Amps per Phase (A) 722/361 361 289
Load Step Resolution (kW) 25 (optionally 10) 25 (optionally 10) 25 (optionally 10)
Frequency (Hz) 60 60 60
Power Factor 1.0 1.0 1.0
Motor HP 3.0 3.0 3.0
Airflow CFM 12000 12000 12000
Airflow Discharge Vertical or Horizontal Vertical or Horizontal Vertical or Horizontal
SPL dB(A) 84 84 84
Dimensions 40.25"W x 52.5"D x 57"H 40.25"W x 52.5"D x 57"H 40.25"W x 52.5"D x 57"H
Weight (lbs) 950 900 900

 

LS400 

SPECIFICATIONS
  LS400-240-480-25 LS400-480-25 LS400-600-25
Capacity (kW) 400 400 400
Voltage (VAC, 3-Phase) 240/480 480 600
Load Type Resistive Resistive Resistive
Amps per Phase (A) 962/481 481 385
Load Step Resolution (kW) 25 (optionally 10) 25 (optionally 10) 25 (optionally 10)
Frequency (Hz) 60 60 60
Power Factor 1.0 1.0 1.0
Motor HP 3.0 3.0 3.0
Airflow CFM 12000 12000 12000
Airflow Discharge Vertical or Horizontal Vertical or Horizontal Vertical or Horizontal
SPL dB(A) 84 84 84
Dimensions 40.25"W x 52.5"D x 57"H 40.25"W x 52.5"D x 57"H 40.25"W x 52.5"D x 57"H
Weight (lbs) 1100 1000 1000

 

LS500

SPECIFICATIONS
  LS500-240-480-25 LS500-480-25 LS500-600-25
Capacity (kW) 500 500 500
Voltage (VAC, 3-Phase) 240/480 480 600
Load Type Resistive Resistive Resistive
Amps per Phase (A) 1202/601 601 481
Load Step Resolution (kW) 25 (optionally 10) 25 (optionally 10) 25 (optionally 10)
Frequency (Hz) 60 60 60
Power Factor 1.0 1.0 1.0
Motor HP 5.0 5.0 5.0
Airflow CFM 15000 15000 15000
Airflow Discharge Vertical or Horizontal Vertical or Horizontal Vertical or Horizontal
SPL dB(A) 82 82 82
Dimensions 40.25"W x 52.5"D x 69"H 40.25"W x 52.5"D x 57"H 40.25"W x 52.5"D x 57"H
Weight (lbs) 1300 1100 1100

 

LS600

SPECIFICATIONS
  LS600-240-480-25 LS600-480-25 LS600-600-25
Capacity (kW) 600 600 600
Voltage (VAC, 3-Phase) 240/480 480 600
Load Type Resistive Resistive Resistive
Amps per Phase (A) 1443/722 722 577
Load Step Resolution (kW) 25 (optionally 10) 25 (optionally 10) 25 (optionally 10)
Frequency (Hz) 60 60 60
Power Factor 1.0 1.0 1.0
Motor HP 5.0 5.0 5.0
Airflow CFM 15000 15000 15000
Airflow Discharge Vertical Vertical Vertical
SPL dB(A) 82 82 82
Dimensions 40.25"W x 52.5"D x 69"H 40.25"W x 52.5"D x 69"H 40.25"W x 52.5"D x 69"H
Weight (lbs) 1350 1250 1250

 

LS700

SPECIFICATIONS
  LS700-240-480-25 LS700-480-25 LS700-600-25
Capacity (kW) 600/700 700 700
Voltage (VAC, 3-Phase) 240/480 480 600
Load Type Resistive Resistive Resistive
Amps per Phase (A) 1443/842 842 674
Load Step Resolution (kW) 25 (optionally 10) 25 (optionally 10) 25 (optionally 10)
Frequency (Hz) 60 60 60
Power Factor 1.0 1.0 1.0
Motor HP 5.0 5.0 5.0
Airflow CFM 15000 15000 15000
Airflow Discharge Vertical Vertical Vertical
SPL dB(A) 82 82 82
Dimensions 40.25"W x 52.5"D x 69"H 40.25"W x 52.5"D x 69"H 40.25"W x 52.5"D x 69"H
Weight (lbs) 1400 1300 1300

 

LS750

SPECIFICATIONS
  LS750-240-480-25 LS750-480-25 LS750-600-25
Capacity (kW) 600/750 700 700
Voltage (VAC, 3-Phase) 240/480 480 600
Load Type Resistive Resistive Resistive
Amps per Phase (A) 1443/902 902 722
Load Step Resolution (kW) 25 (optionally 10) 25 (optionally 10) 25 (optionally 10)
Frequency (Hz) 60 60 60
Power Factor 1.0 1.0 1.0
Motor HP 5.0 5.0 5.0
Airflow CFM 15000 15000 15000
Airflow Discharge Vertical Vertical Vertical
SPL dB(A) 82 82 82
Dimensions 40.25"W x 52.5"D x 69"H 40.25"W x 52.5"D x 69"H 40.25"W x 52.5"D x 69"H
Weight (lbs) 1500 1300 1300

 

LS800

SPECIFICATIONS
  LS800-480-25 LS800-600-25
Capacity (kW) 800 800
Voltage (VAC, 3-Phase) 480 600
Load Type Resistive Resistive
Amps per Phase (A) 902 722
Load Step Resolution (kW) 25 (optionally 10) 25 (optionally 10)
Frequency (Hz) 60 60
Power Factor 1.0 1.0
Motor HP 5.0 5.0
Airflow CFM 15000 15000
Airflow Discharge Vertical Vertical
SPL dB(A) 82 82
Dimensions 40.25"W x 52.5"D x 69"H 40.25"W x 52.5"D x 69"H
Weight (lbs) 1400 1400

 

LS900

SPECIFICATIONS
  LS900-480-25 LS900-600-25
Capacity (kW) 900 900
Voltage (VAC, 3-Phase) 480 600
Load Type Resistive Resistive
Amps per Phase (A) 1082 866
Load Step Resolution (kW) 25 (optionally 10) 25 (optionally 10)
Frequency (Hz) 60 60
Power Factor 1.0 1.0
Motor HP 10.0 10.0
Airflow CFM 20000 20000
Airflow Discharge Vertical Vertical
SPL dB(A) 86 86
Dimensions 40.25"W x 52.5"D x 92"H 40.25"W x 52.5"D x 92"H
Weight (lbs) 1700 1700

 

LS1000

SPECIFICATIONS
  LS1000-480-25 LS1000-600-25
Capacity (kW) 1000 1000
Voltage (VAC, 3-Phase) 480 600
Load Type Resistive Resistive
Amps per Phase (A) 1202 962
Load Step Resolution (kW) 25 (optionally 10) 25 (optionally 10)
Frequency (Hz) 60 60
Power Factor 1.0 1.0
Motor HP 10.0 10.0
Airflow CFM 20000 20000
Airflow Discharge Vertical Vertical
SPL dB(A) 86 86
Dimensions 40.25"W x 52.5"D x 92"H 40.25"W x 52.5"D x 92"H
Weight (lbs) 1800 1800

 

LS1100

SPECIFICATIONS
  LS1100-480-25 LS1100-600-25
Capacity (kW) 1100 1100
Voltage (VAC, 3-Phase) 480 600
Load Type Resistive Resistive
Amps per Phase (A) 1323 1058
Load Step Resolution (kW) 25 (optionally 10) 25 (optionally 10)
Frequency (Hz) 60 60
Power Factor 1.0 1.0
Motor HP 10.0 10.0
Airflow CFM 20000 20000
Airflow Discharge Vertical Vertical
SPL dB(A) 86 86
Dimensions 40.25"W x 52.5"D x 92"H 40.25"W x 52.5"D x 92"H
Weight (lbs) 1900 1900

 

LS1200

SPECIFICATIONS
  LS1200-480-25 LS1200-600-25
Capacity (kW) 1200 1200
Voltage (VAC, 3-Phase) 480 600
Load Type Resistive Resistive
Amps per Phase (A) 1443 1155
Load Step Resolution (kW) 25 25
Frequency (Hz) 60 60
Power Factor 1.0 1.0
Motor HP 10.0 10.0
Airflow CFM 20000 20000
Airflow Discharge Vertical Vertical
SPL dB(A) 86 86
Dimensions 40.25"W x 52.5"D x 92"H 40.25"W x 52.5"D x 92"H
Weight (lbs) 2100 2100

 

LS1250

SPECIFICATIONS
  LS1250-480-25 LS1250-600-25
Capacity (kW) 1250 1250
Voltage (VAC, 3-Phase) 480 600
Load Type Resistive Resistive
Amps per Phase (A) 1503 1202
Load Step Resolution (kW) 25 25
Frequency (Hz) 60 60
Power Factor 1.0 1.0
Motor HP 10.0 10.0
Airflow CFM 20000 20000
Airflow Discharge Vertical Vertical
SPL dB(A) 86 86
Dimensions 40.25"W x 52.5"D x 92"H 40.25"W x 52.5"D x 92"H
Weight (lbs) 2100 2100

 

LS1500

SPECIFICATIONS
  LS1500-480-25 LS1500-600-25
Capacity (kW) 1500 1500
Voltage (VAC, 3-Phase) 480 600
Load Type Resistive Resistive
Amps per Phase (A) 1804 1443
Load Step Resolution (kW) 25 25
Frequency (Hz) 60 60
Power Factor 1.0 1.0
Motor HP 2 x 5.0 2 x 5.0
Airflow CFM 25000 25000
Airflow Discharge Vertical Vertical
SPL dB(A) 86 86
Dimensions 40.25"W x 88"D x 69"H 40.25"W x 88"D x 69"H
Weight (lbs) 2600 2600

 

LS2000

SPECIFICATIONS
  LS2000-480-25 LS2000-600-25
Capacity (kW) 2000 2000
Voltage (VAC, 3-Phase) 480 600
Load Type Resistive Resistive
Amps per Phase (A) 2406 1924
Load Step Resolution (kW) 25 25
Frequency (Hz) 60 60
Power Factor 1.0 1.0
Motor HP 2 x 10.0 2 x 10.0
Airflow CFM 34000 34000
Airflow Discharge Vertical Vertical
SPL dB(A) 90 90
Dimensions 40.25"W x 88"D x 92"H 40.25"W x 88"D x 92"H
Weight (lbs) 3700 3700

LS2400

SPECIFICATIONS
  LS2400-480-25 LS2400-600-25
Capacity (kW) 2400 2400
Voltage (VAC, 3-Phase) 480 600
Load Type Resistive Resistive
Amps per Phase (A) 2887 2309
Load Step Resolution (kW) 25 25
Frequency (Hz) 60 60
Power Factor 1.0 1.0
Motor HP 2 x 10.0 2 x 10.0
Airflow CFM 34000 34000
Airflow Discharge Vertical Vertical
SPL dB(A) 90 90
Dimensions 40.25"W x 88"D x 92"H 40.25"W x 88"D x 92"H
Weight (lbs) 3900 3900

 

LS2500

SPECIFICATIONS
  LS2500-480-25 LS2500-600-25
Capacity (kW) 2500 2500
Voltage (VAC, 3-Phase) 480 600
Load Type Resistive Resistive
Amps per Phase (A) 3007 2406
Load Step Resolution (kW) 25 25
Frequency (Hz) 60 60
Power Factor 1.0 1.0
Motor HP 2 x 10.0 2 x 10.0
Airflow CFM 34000 34000
Airflow Discharge Vertical Vertical
SPL dB(A) 90 90
Dimensions 40.25"W x 88"D x 92"H 40.25"W x 88"D x 92"H
Weight (lbs) 4000 4000

 

LS3000

SPECIFICATIONS
  LS3000-480-25 LS3000-600-25
Capacity (kW) 3000 3000
Voltage (VAC, 3-Phase) 480 600
Load Type Resistive Resistive
Amps per Phase (A) 3007 2406
Load Step Resolution (kW) 25 25
Frequency (Hz) 60 60
Power Factor 1.0 1.0
Motor HP 2 x 10.0 2 x 10.0
Airflow CFM 34000 34000
Airflow Discharge Vertical Vertical
SPL dB(A) 90 90
Dimensions 40.25"W x 88"D x 92"H 40.25"W x 88"D x 92"H
Weight (lbs) 4000 4000

 

 

 

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Covington, KY 41015

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