SmartPass 120S

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Automatic DC Switching System with Low Voltage Disconnect High power DC charging is still an issue above 60A, so this Smartpass was designed to bridge the requirements for higher current to large battery banks. It can be used as a digital relay with the added functionality of emergency jump-starti ...Read more
  • Description
  • Specifications

Automatic DC Switching System with Low Voltage Disconnect

High power DC charging is still an issue above 60A, so this Smartpass was designed to bridge the requirements for higher current to large battery banks. It can be used as a digital relay with the added functionality of emergency jump-starting abilities. Charging voltages are still controlled via the alternator (which is increased to their optimal voltage figures matching AGM or Wet cell if used in conjunction with the D250SE unit). With an isolated low voltage disconnect circuit, you can ensure essential communication or navigation lights are left running while non-essential equipment is turned off to save the batteries' power.

PICTURED WITH D250SE WHICH IS PURCHASED SEPARATELY.

  • Smart alternator compatible
  • Compatible with D250SA and D250SE for the ultimate 140A power management solution
  • Start assistance function
  • Battery separation eliminates diodes and VSR relays
  • Fully automatic
  • Maximizes battery life
  • Battery Guard to protect your secondary battery from total discharge
  • Dynamic over current protection to handle temporary inputs and outputs of up to 350A for fast charging
  • Battery temperature protection for added safety

Technical information
Ambient temperature; -20˚C to +50˚C (- 4°F to +122°F)
Positioning; Permanent installation/onboard
Warranty; 2 years
Input; 11.5–23V, 120A max (350A temporarily for 10 seconds)
Output; Max. 120A (350A temporarily for 10 seconds)
Back current drain*; Corresponding to less than 7Ah/month
Battery types; 12V:, WET, MF, Ca/Ca, AGM, EFB, GEL, LiFePO₄
Battery capacity; 28-800Ah
Net weight (unit with cables); 0.7
Gross weight (unit in box); 0.9
Insulation class; IP65 (splash and dust proof)
Model Number; 40-289

Weight: 0.74 kg
Width: 110 mm
Length: 192 mm
Height: 65 mm

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NZD535.00 each SmartPass 120
NZD639.00 each D250SE