Ctek Smartpass 120S 12V DC-DC Controller

Ctek Smartpass 120S 12V DC-DC Controller - Sustainable.co.za

Ctek Smartpass 120S 12V DC-DC Controller

Regular price R 7,634.00 incl. VAT
R 6,63826 excl. VAT
incl. VAT /

Tax included. Shipping calculated at checkout.
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  • 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.
  • SMARTPASS 120S is compatible with the D250SA and D250SE 20A on board chargers.
  • Splash and dust proof (IP65).
  • 2-year warranty.

Technical data

  • Battery capacity: 28–800 Ah.
  • Charging category: DC charging.
  • Back current drain*: Corresponding to less than 7 Ah/month.
  • Battery voltage: 12 V.
  • Battery chemistry: Lead acid; Lithium-ion.
  • Ambient operating temperature: -20 ˚C to +50 ˚C.
  • Input: 11.5–23 V, 120 A (350 A temporarily for 10 seconds).
  • Output: 120 A (350 A temporarily for 10 seconds).
  • Battery types: 12 V:; WET; MF; Ca/Ca; AGM; EFB; GEL; LiFePO4
  • Degree of protection: IP65.
  • Dimensions (L x W x H): 192 x 110 x 65 mm.
  • Net weight (unit with cables): 0.7 kg.
  • Warranty: 2 years.


All solar products, power systems, water heating and gas products and their components must be installed by appropriately qualified personnel. All installations must adhere to local wiring regulations and standards. Sustainable Online will not be held liable for any product malfunctions as a result of incorrectly installed systems.

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