CTEK SMARTPASS 120S 12V Power Management System (40-678)

CTEK 40-678 SMARTPASS 120S 12V Power Management System provides efficient power distribution and management for 12V systems. It ensures critical equipment such as radios, emergency lights, and navigation systems always have power by separating, prioritizing, and boosting batteries and equipment.

Features:

• Smart alternator compatible.
• Delivers 120A for quick recharging of batteries from 28–800Ah.
• Compatible with D250SA and D250SE for a total of 140A power management.
• Prioritizes critical consumers while supplying non-critical equipment with power.
• Start assistance function for additional support when needed.

Benefits:

• Ensures essential equipment always has power, especially in critical situations.
• Reduces the risk of battery discharge by disconnecting non-essential consumers.
• Protects your service battery with built-in over-temperature and low-voltage protections.
• Compatible with advanced onboard chargers for an efficient energy solution.

Technical Specifications:

• Model: 40-678
• Input: 11.5–23V, Max 120A (350A temporarily for 10 seconds)
• Output: Max. 120A (350A temporarily for 10 seconds)
• Back Current Drain: Less than 7Ah/month
• Ambient Temperature: -4°F to +122°F (-20°C to +50°C)
• Battery Types: 12V: WET, EFB, Ca/Ca, MF, AGM, GEL, LiFePO4
• Battery Capacity: 28–800Ah
• Degree of Protection: IP65 (splash and dustproof)
• Warranty: 2-year warranty