Page last updated Apr 15, 2016 @ 06:46pm

APRS8420 APRS8421
APRS8425 APRS8426


APRS8420-dumpload.jpg (54221 bytes) APRS8425-wallmount1.jpg (17062 bytes) APRS8426-wallmount4.jpg (20371 bytes) dload-air1900.jpg (13565 bytes)
APRS8420
APRS8421
APRS8425
single base
APRS8426
4 base
finned heater
click thumbnail image above to enlarge

Diversion Loads - Air Heating
for use with micro hydroelectric and wind generators

 

These diversion loads are used to dissipate extra electricity from wind and hydroelectric turbines to prevent overcharging batteries.  Use the following formulas to compute and convert the electrical parameters.

     To calculate current:   amps = volts / ohms

     To calculate power:     watts = volts x volts /ohms

Do not exceed maximum allowable wattages.


Enclosed Versions - 600W max at 12/24/48V

APRS World's dump load is available as a building block element. The base block is 600 Watts.  Mounting base is required and must be purchased separately.  Designed for safe, easy and code-compliant wiring.  These resistor loads enclosed with a vented stainless steel cover on a powder coated chassis.  The enclosure may get hot during operation and should be mounted at least 12" from any flammable material.  Available in two versions: 0.375 ohm 12V model which can be reconfigured to 1.5 ohms 24V or 6 ohm 48V model.  Reconfiguration easily done at terminal block.  Warranty 2 years.

Enclosure screws, jumpers and instructions included.

 

Finned Versions - 1900W max at 120V

This resistive load is finned and needs no enclosure.  Resistance is fixed at approximately 7.58 Ohms and can be operated at up to 120V.  Unit is 21" long x 2" wide x 1.37" high over the fins.  Sheath temperature can reach 1200F when operated at 120V but will be significantly less at lower operating voltages.  Includes high temperature porcelain terminal covers.  Terminal studs are #10-32.  See below for power dissipated at various voltages.

24V 76 Watts
36V 171 Watts
48V 304 Watts
60V 475 Watts
96V 1216 Watts
120V 1900 Watts

 

Ordering Table:

Enclosed Versions Finned Versions
12Vdc 0.375 Ohm 40A/24Vdc 1.5 Ohm 20A 24V 76W through 120V 1900W



Item Number: APRS8420
Price: $163
Price last updated 4/15/2016
Shipping Weight: 8 lbs.
This item normally ships in approximately 1 week or less.


Item Number: DLOAD-AIR1900
Price: $110
Shipping Weight: 3 lbs.
This item normally ships in approximately 2 weeks or less.
48Vdc 6.0 Ohm 10A

Item Number: APRS8421
Price: $163
Price last updated 4/15/2016
Shipping Weight: 8 lbs.
This item normally ships in approximately 1 week or less.
Mounting Bases

Item Number: APRS8425
Price: $48
Price last updated 4/15/2016
Shipping Weight: 2 lbs.
This item normally ships in approximately 1 week or less.

Item Number: APRS8426
Price: $96
Price last updated 4/15/2016
Shipping Weight: 3 lbs.
This item normally ships in approximately 1 week or less.

 

 

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