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LS1100 Stationary Load Bank

High capacity stationary load bank, outdoor rated  - built to last.

   LS1100

1100 kW

Features

LS1100UL

Construction | Built to Last

The LS1100 is constructed of galvanized steel with the highest quality durable powder-coat paint finish, and external stainless steel fasteners. All power, motor, and control connections are provided in a sealed thermostatically controlled heated compartment to limit any harmful effects of moisture and condensation.

The enclosure is stationary-type, outdoor construction, to be installed and operated on a floor, roof-top, or concrete pad.  Forklift channels are provided within the base for ease of lifting and handling during installation. 

Remote Indication and Alarm 

Contact closure [form-c-type normally open and normally closed] provides user interface to your building management system for indication, detection, and alarm of “Air-Flow Failure,” “Over-Temperature”, and “Load Dump”.

PowerDyne™ | When Quality Matters

PowerDyne™ Resistors are the most rugged in the industry.  The non-corrosive resistance alloy can fully handle the effects of an outdoor installation.  They are completely supported across their entire length within the air stream by stainless steel support rods which are insulated with heavy-duty, high-temperature ceramic insulators. Change in resistance is minimized by maintaining conservative resistor designs.  

Control Power

External 120 Volt AC, 1-phase, 60 Hertz power required for control circuit operation.  When 120 VAC control power is not readily available, units can be provided with a control power transformer.  

 

Control Power

 

Automatic Load Dump

This circuit provides user interface provisions to the generator controls, automatic transfer switch, or building management system, to disconnect and disable all load steps from a normally closed (NC) set of auxiliary contacts.  In the event of an actual power failure, all load bank load is removed from the source under test.

 

The LS1100 Stationary Load Bank

A robust, high capacity load bank ready for the great outdoors.

The LS1100 Stationary Load Bank offers the most robust, high-capacity, outdoor design in the industry.  LBD is setting the standard with intelligent operator controls, safety indication layouts, adjustable load step resolution, and ease of installation.  The LS1100 is the perfect solution for regularly scheduled testing and commissioning of mission-critical standby emergency power systems.

 Features

Digital Power Meter

A fully equipped, 3-phase Digital Power 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.

Power Meter

Operator Protection | When Safety Matters

The LS1100 comes equipped with an Emergency-Stop push button allowing the operator to take the unit off-line should a critical hard-stop condition occur.  Branch circuit fuse protection provides short-circuit fault protection of all load steps eliminating the potential for catastrophic failure.  Blower On, Motor Overload, Air-Flow Failure, and Over-temperature circuits disable all load steps during a fault condition with operator visual indicators.  Dual Voltage units feature a Wrong Voltage Applied protection circuit which prevents the application of 480 VAC with the Load Voltage Selector switch in the 240 VAC position.  The Load Dump circuit provides the operator visual indication if all load steps have been removed.

Operator Controls

  • Emergency Stop (E-Stop)
  • Illuminated Main Power On/Off switch
  • Illuminated Blower Start/Stop Switch
  • Load Voltage Selector switch (dual voltage units)
  • Master Load On/Off switch
  • Individual Load Step Switches
  • Fault condition smart indicators provide operator display and load disconnect during Air-Flow Failure, Overtemperature, Motor Overload, Load Dump, and Wrong Voltage Applied

Controls

Cooling System

  • Integrally mounted blower motor with high-performance, direct-driven fan blade delivers the required airflow volume (CFM) for cooling resistor load elements
  • Blower motors can be wired to operate internally off the main input load bus or from an external 3-phase power source
  • Motor circuits are short-circuit protected by current-limiting fuses and thermally protected by overload relays
 
 
 
 
 
 
 
 
 
 

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