SPRBL1-19-Q-0030_Attachment-0001.pdf

Purchase Description #: A3357168 Rev A

CECOM CAGE: 80063

Approval Date: 3 June 2015

CECOM PURCHASE DESCRIPTION FOR

COMMERCIAL PATRIOT LOAD BANK U/W 15 kW & 30 kW 400 Hz TQGs

Portability Requirements:

1. Weight (Load Bank Only): Two-person lift, weighing less than 88 lbs.

2. Dimensions (Load Bank Only): Length of 2 ft. or less, Width of 1 ft. or less, Height of 2 feet or less.

3. Must come with storage and transport case.

4. Load Bank & Cables shall be contained in a Pelican brand case or equivalent with wheels and pull handles.

Power Load Capacity & Design Requirements:

1.208 VAC, 3-phase, 4-wire, 400 Hz:

a. Must be able to safely operate in a range of 200-230 VAC).

b. Must be a 4-wire configuration to include a neutral wire with a separate ground.

2. Must provide a minimum of 80 kW Resistive Load.

3. Must be able to increment the load in steps of 5 kW from zero to maximum load.

4. The first 5 kW load increment should be a 1 kW resolution.

5. Control and Blower Circuitry must run off of internal (generator provided) power and require no external power.

6. Must require no cool down period after load is dropped.

Environmental Requirements:

1. Must be designed to be dust resistant.

2. Must be designed to be shock resistant (Anti-shock).

3. Must be designed to be vibration resistant (Anti-vibration).

4. Must be designed for indoor/outdoor operation.

Paint Requirements:

1. Must be painted to best commercial practices to protect against corrosion.

Cable Requirements:

1. Must include a power cable which meets the following requirements:

a. Minimum 15 ft. length.

b. Built-in connector for connection with Load Bank.

c. Soldered pigtail leads for connection to the Generator Set Junction Box.

Instrumentation Requirements:

1. The load bank must contain the following instrumentation: Voltmeter, Ammeter, Frequency Meter, Power Indicator Lights, In-phase & Out-of-phase Indicators, and Circuit Protection.

Cooling Fan Operations:

1. Cooling Fan must be self-contained and operate from source power.

Safety Requirements:

1. 28 VDC Interlock Protection.

2. Thermal Overload Protection:

a. Load shall not be applied to the Load Bank if an exhaust temperature of 350 degrees F or greater is reached.

3. Circuit Breaker Protection:

a. Blower circuitry shall be protected from overcurrent conditions.

b. Control circuitry shall be protected from overcurrent conditions.

4. Tip-over Interlocks.

5. Improper Airflow Protection:

a. Load shall not be applied to the Load Bank if the blower is not functioning properly.