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Features

  • Choices – The RD Series comes in four power models and 12 and 24 volt models, allowing you to choose the model that is right for you.
  • Versatile mounting – Mount the RD Series on a shelf or wall.
  • Lightweight – The lightweight aluminum base and cover also provides noise reduction and corrosion resistance.
  • Multiple ports – The RD Series provides multiple ports, including an RS485 communication port for network expansion, and a remote port.
  • Accessible design – The extra large AC access cover with terminal screw block and 360° DC connection terminals with covers make this inverter more accessible when it needs to be.
  • Convenient switches – The RD Series comes with an on/off inverter-mounted switch with an easy-to-read LED indicator.
  • Expanded transfer relay – 60 Amp transfer service is available on all models.
  • Buy with ease – The RD Series is backed by a two-year (24-month) limited warranty.

Model Numbers

  • RD2212
  • RD1824
  • RD2824
  • RD3924

Specifications

  RD2212 RD1824 RD2824 RD3924
Input battery voltage range 9 - 16 VDC 18 - 32 VDC 18 - 32 VDC 18 - 32 VDC
Nominal AC output voltage 120 VAC ± 5% 120 VAC ± 5% 120 VAC ± 5% 120 VAC ± 5%
Output frequency and accuracy 60 Hz ± 0.1 Hz 60 Hz ± 0.1 Hz 60 Hz ± 0.1 Hz 60 Hz ± 0.1 Hz
1 msec surge current (amps AC) 60 70 100 150
100 msec surge current (amps AC) 37 40 60 90
5 sec surge power (real watts) 3700 4000 6000 8000
30 sec surge power (real watts) 3450 3300 4800 6400
5 min surge power (real watts) 3100 2850 3950 5800
30 min surge power (real watts) 2400 2400 3500 4750
Continuous power output at 25° C 2200 VA 1800 VA 2800 VA 3900 VA
Maximum continuous input current 293 ADC 120 ADC 186 ADC 260 ADC
Inverter efficiency (peak) 95% 94% 93% 93%
Transfer time 16 msecs 16 msecs 16 msecs 16 msecs
Search mode (typical) 5 watts 5 watts 5 watts 5 watts
No load (120 VAC output, typical) 20 watts 12 watts 19 watts 25 wattts
Waveform Modified Sine Wave Modified Sine Wave Modified Sine Wave Modified Sine Wave
  RD2212 RD1824 RD2824 RD3924
Continuous output at 25° C 110 ADC 50 ADC 80 ADC 105 ADC
Charger efficiency 85% 85% 85% 92%
Power factor > 0.95 > 0.95 > 0.95 > 0.95
Input current at rated output (AC amps) 15 15 21 29
  RD2212 RD1824 RD2824 RD3924
Transfer relay capability 2 legs at 30 A for 120 V/30 A or 240 V/60 A service
Five stage charging capability Bulk, Absorb, Float, Equalize (requires remote), and Battery Saver™
Battery temperature compensation Yes, 15 ft Battery Temp Sensor standard
Internal cooling 0 to 120 cfm variable speed drive using dual 92mm brushless DC fans
Overcurrent protection Yes, with two overlapping circuits
Overtemperature protection Yes on transformer, MOSFETS, and battery
Corrosion protection Yes, PCB’s conformal coated, powder coated chassis/top, and stainless steel fasteners
Listings ETL listed to UL1741 (USA only)
Warranty Two years
  RD2212 RD1824 RD2824 RD3924
Temperature (Operating/Non-operating) -20° C to +60° C (-4° F to 140° F) to -40° C to +70° C (-40° F to 158° F)
Operating humidity 0 to 95% RH non-condensing
  RD2212 RD1824 RD2824 RD3924
Dimensions (l x w x h) 13.75” x 12.65” x 8.0” (34.9 cm x 32.1 cm x 20.3 cm)
Mounting Shelf or wall (vents up)
Weight 37 lb (16.9 kg) 35 lb (15.9 kg) 42 lb (19 kg) 53 lb (24 kg)
Shipping weight 46 lb (20.9 kg) 44 lb (20.0 kg) 51 lb (23.2 kg) 62 lb (28.1 kg)
Max operating altitude 15,000’ (4570 m)
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