MAXIMUM CHARACTERISTICS

Application:

48 Volt DC Protection. The DC Defender provides robust 5kA lightning current withstand for sensitive 48VDC powered equipment. The unit features silicon avalanche diode technology to provide the optimum low voltage protection for DC power plant, tower top radios, low noise amplifiers (LNA) and tower mounted amplifiers (TMA) applications. The unit is encased in a rugged metal enclosure for outdoor cabinet and pole mounting installations.

Electrical Performance:

Protection Modes: DC + to DC -, DC + to Ground, DC – to Ground

Nominal Operating Voltage Un: 48 Vdc

Maximum Continuous Operating Voltage Uc: 60 Vdc

Maximum Line Current: 15 Amps

Nominal Discharge Surge Current (8/20) In: 5 kA (8/20 ìs) per protection mode

Protection Level @ 500 A, 8/20 ìs: 97 Vpk

Protection Level Up @ In: 250 Vpk

Response Time: <5 nano-seconds

Leakage Current at Un: <30 ìA

Failure Mode: Power disconnect from radio if suppression fails

Approvals: RoHS compliant, CE compliant

Mechanical:

DC Power Input/Output Connections: Compression Lugs

Wire Range: #14 to #10 AWG

Enclosure Rating: NEMA 3R

Dimensions: 7.17″ [182mm] x 5.69″ [145mm] x 1.65″ [42mm]

Weight: <5 lbs [2.27 kg]

Environmental:

Operating Temperature: -40ºC to +85ºC

Relative Humidity: <95% (non-condensing)

Mounting: Surface/wall or on a pole with kit

Pole Mount Kit: 1000-1164 (not included)