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The Simplex MERLIN R, is a RENTAL-DUTY Portable Load Bank designed specifically for data center application in the commissioning and testing of chiller plants, generator systems and UPS systems. The Merlin is a medium capacity, fully portable, resistive load bank system. Loads are arranged and stepped, manual application. Unique to the Merlin R is the 100%, 500kw rating at both 416v and 480v via operator toggle switch.
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Load Elements
| • | Simplex Powr-Web chromium alloy, open wire, continuously supported, power resistor. |
System Controls
| • | Digital Meter. |
| • | Fan Reversal, Load Voltage Selector, and Control Voltage Selector switches. |
| • | Operator indicator lights: normal operation, over-voltage, fan failure / over-temperature. |
| • | Master load toggle switch and load step toggle switches. |
Cooling
| • | 3-phase, direct drive fan, 8,000CFM (depending on load configuration). |
| • | Casts aluminum air foil type, shrouder propeller fan. |
| • | Horizontal airflow - cold air intake from front, hot air exhaust out the rear. |
System Protections
| • | Sensors, alarms (alarm message on remote operator interface terminal), lock-outs as appropriate, for the following: fan failure, high exhaust temperature, high intake temperature, high interior temperature (sensed at three points). |
| • | Load Circuit Protection: branch circuit fuses. One set of fuses each 50KW branch. Fuses are current limiting type, 200,000 AIC, 600V, enabling safe use on large generating or UPS system. |
Load Control
| • | Master load toggle switch and load step toggle switches. |
| • | 3-pole magnetic contactors. |
Power
| • | Operator selectable fan/control power-source:
Internal Power: fan and control circuits powered internally, does not require external power.
External Power: fan and control circuits powered from external 3-phase outlet or other external source. |
Connections
| • | Control Wiring: 105°C, color coded. |
| • | Power Wiring: 150°C XLP color-coded. |
Load Connection
| • | Cam-type connectors and external control power cord. |
Enclosure
| • | Exceptionally rugged, all welded, formed steel chassis. |
| • | Portability features: lifting eyes, forklift channels, casters and moving handle. |
| Load Type |
Resistive |
| Capacity |
500kw |
| Power Factor |
1.0 |
| Voltages |
High/Low Mode, operator selectable
416/480v, 3-ph |
| Frequency |
60 Hz |
| Load Steps |
5, 10, 10, 25, 50, 100, 100, 100, 100KW |
| Load Connection |
Cam-Type
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| Load Control |
Manual toggle switches
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| Metering |
Digital
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| Cooling Airflow |
Horizontal, 8000 CFM |
| Fan/Control Power |
Operator selectable, internal/external |
| Duty Cycle |
Continuous |
| Portability |
Casters, fork lift channels |
| Weight |
1,050 lbs |
| Dimensions |
37.5″W x 53.25″H x 72″D |
| Networkable |
No |
| Outdoor Suitable |
No |
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