Stationary Load Bank Features
Features
Options
Utilizes the UL Recognized “Powr-Web” load element
Branch circuit fuse protection of load elements
Magnetic contactor control of load
Multiple step load configurations
150°C insulated power wiring, color coded
Copper plated bus bar
Integral cooling fan
120V control circuits
Fused control circuits
Automatic over temperature and fan failure protection
Continuous duty
NEMA-3R outdoor or NEMA-1 indoor
Malfunction detection system provides automatic load disconnect and alarm on sensing of an abnormal operating condition. The systems consists of:
Cooling air intake temperature switch, set at 120°F, to sense recirculation of load bank hot exhaust air or an ambient temperature above the rating of the load bank
Cooling air exhaust temperature switch, set 75°F above maximum rise at maximum ambient, to sense restricted cooling airflow, recirculating air, loss of airflow.
Air pressure switch to sense for positive cooling airflow
Automatic load disconnect/lockout circuit
Remote alarm contacts
Integral Forced Air Cooling System
Motor drive propeller fan
Fan blade, shrouded for high efficiency
Motor control contactor
Motor circuit breaker
Fan motors normally operate at load bank line voltage
Motors for outdoor load banks are totally enclosed
Motors for indoor load banks are open-drip-proof
System
Options
