S20M Control
S20M, L20S
  • 20 Amps
  • 20 Amp, 40 Amp, 60 Amp
  • 12 or 24 Volts
  • Expandable with Slave Load units
  • Solar Clock
Load can be factory set to turn on and off using the solar clock
Wiring Diagram
Stacks Image 763
Features
  • 5 year warranty
  • 3 stage PWM charging with float mode
  • Temperature compensation
  • Manufactured with solar power
  • Designed and built in North America
General Specifications
Temperature range -40°C to 50°C / -40°F to 120°F
Case Stainless steel
Weight 440 grams / 15.6 oz.
Size (H x W x D) 8 x 14 x 4.5 cm / 3.125 x 5.5 x 1.75 in.
Terminals 12-24 AWG
Solar LED 3 flashes charging, 2 flashes at Bulk Voltage, 1 flash in Float Mode
Load LED 1 flash voltage low, 2 flashes load disconnected
Electrical Specifications
Voltage configurations 12 or 24 volts (custom voltages from 6 to 36 volts)
Consumption 0.2 mA at night, 0.6 mA daytime standby, 2.5 mA when charging
Maximum input 25 volts (12V control), 50 volts (24V control)
Maximum charging current 3 Amps DC
Typical charging set points Bulk: 14.4 Volts, Float: 13.6 Volts, temperature compensated (custom voltages available)
Regulation method Pulse Width Modulation (PWM), Positive side switching
Maximum load current 0 Amps DC. Signal output only to 20 amp load slave unit L20S
Typical load set points 13.0 Volts On: 12.0 Volts Off, 60 seconds at or beyond setpoint / 26.0V On, 24.0V Off
Options
  • Temperature compensation off
  • Custom voltage setpoints
  • Custom wire lead lengths
  • Lithium battery protection (no charging below 4°C)
Purchasing
  • $159 USD Master
  • $129 USD Slave
  • Contact us or one of our retailers to order
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