Pay in 4 interest-free payments of $44.75 Learn more
Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
or when the sun is shining on your solar array
and up to 80A from solar—ideal for fast‑charging large battery banks and supporting high‑demand 12V systems
when the battery voltage drops to 12
Options for single battery and dual battery isolation
Low resistance design to improve efficiency and reduce voltage drop
Trolltek™ Programmable Voltage Sensitive Relay (VSR) submersible-pumps or when the sun isDESCRIPTION The Trolltek Programmable Voltage Sensitive Relay (VSR) is the ideal addition to many electrical installations and is packed with features not often seen in other basic VSRs. A VSR is essentially a switch that can be triggered by the input voltage of a electrical circuit. It's ideal for turning devices on and off based on the supply batteries voltage. Most VSRs on the market are supplied pre programmed with set trigger conditions that are
US$ 767.50
US$ 1637.50
US$ 165.00
US$ 1899.99
