Why you should swap to a 3-Pin Anderson Plug — One-Click Install with Built-In Ignition Sense
❓ You may have noticed 3-pin Anderson plugs popping up on the market — but what’s that all about?
🔧 Great question — here’s why they’re fast becoming the new go-to in auto-electrical setups:
The trusty 2-pin Anderson has always handled high-current power + earth, but modern gear (DC-DC chargers, dual-battery systems, etc.) often needs a third wire for ignition-sense or trigger.
Enter the 3-pin Anderson: one rugged housing, three contacts — power, ground, and signal all in a single quick-connect.
Why everyone’s switching to 3 pin Anderson Plugs:
✅ Simplifies installations — especially for DC-DC chargers that need an ignition trigger (smart alternators can let voltage drop below the charger’s cut-in threshold; a dedicated ignition wire keeps the charger alive while you’re driving)
🔌 Backward-compatible — it still mates with a standard 2-pin Anderson when you only need power/ground
🔐 Error-proof wiring — keyed housings and colour-coding reduce mix-ups
💦 Rugged & weather-sealed — built to survive dust, mud, and corrugations on the tracks
🔥 High-current rated — handles 50 A+ continuously without the heat-soak you get in 12-pin trailer plugs
So are you looking to upgrade to a 3-pin Anderson setup?
We’ve got you covered.
At HS Motors & Auto Electrics, we stock a full range of 3-pin Anderson plugs, accessories, and mounting solutions — Our in-house designed and fabricated stainless steel Anderson covers are built tough for outdoor use. Available in powder-coated black or stainless finish, in 2-Pin, 3-Pin, and combo variations — all as heavy-duty surface-mount options perfect for canopies and harsh conditions, all designed and built in-house right here by our small, family-run team.
We design and 3D print high-quality parts using top-of-the-line equipment, including:
- Flush mount covers
- Countersunk mounts
- Surface mount housings
- Multi plug configurations
All designed for clean, tough, professional installations.
We’ve also developed a range of custom stainless steel covers
Available in brushed stainless or powder-coated black — for a discreet look that still takes a beating in harsh conditions.
So whether you’re wiring up a caravan, 4×4, DC-DC charger or simply adding accessories , trust that you’re getting gear made by people who actually use it every day.
🛒 Check out the full range in our store
Every part we make is tried and tested in real installs
✔️ Designed by auto electricians, for auto electricians.
✔️ 100% made and fabricated in-house — which is getting rare these days.
