Enerdrive ePOWER 140A 12V/24V Voltage Sensitive Relay

Enerdrive ePOWER 140A 12V/24V Voltage Sensitive Relay

The Enerdrive ePOWER 140A voltage sensitive relay (VSR) connects your auxiliary battery to the starter battery for charging once the starter battery reaches 13.2V, and disconnects the two below 12.8V so the starter battery keeps enough charge to crank the engine. It automatically detects 12V or 24V systems and suits caravans, camper vans, RVs and marine use.

Features

• 140A rating for 12V and 24V systems with automatic voltage detection
• Starter battery priority
• No voltage loss across the relay
• Intelligent battery monitoring to prevent unwanted switching
• 10-bit precise microprocessor controller
• IP54 rated
• Low standby draw — 1.5mA when off

Note: the manufacturer's current model code for this relay is EN-VSR1224-140.

Brand: Enerdrive ePOWER

Model / MPN: EN61001 (also listed as EN-VSR1224-140)

Rating: 140A

System voltage: 12V or 24V (auto-detect)

Connects at: 13.2V (12V system)

Disconnects at: Below 12.8V (12V system)

Fast off: Below 11.8V (12V) / 23.6V (24V) after 4 seconds

Minimum charge time: 60 seconds

Current draw when off: 1.5mA

Current draw when on: 360mA at 13.5V, 160mA at 27V

Battery connections: M6

Suggested cable: 20mm²

IP rating: IP54

Dimensions (L x W x H): 46 x 46 x 80mm

Weight: 0.11kg

What does a voltage sensitive relay do?

It joins the auxiliary battery to the starter battery for charging when the starter battery voltage rises (engine running), and separates them when it falls, so you do not flatten the starter battery.

Will it work on 24V systems?

Yes, this relay automatically detects 12V or 24V systems.

What cable size should I use?

The suggested cable size is 20mm². Contact us if you would like help planning your dual battery setup.

Does the price include GST?

Yes, all prices shown on the site include GST.

Do you ship NZ-wide?

Yes, we ship throughout New Zealand.