SmartPlug

SmartPlug Coupler - 50A 240V

£110.40
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BF50
Field-wireable 50A/125-250V boat-side connector that upgrades an existing shore power cord to the SmartPlug system. Retrofits 125V or 250V cords with seals for either diameter, and locks into a SmartPlug 50A inlet for a cooler, more secure high-current connection.
✓ Collection or delivery in 1-2 weeks

Pickup available at Mercury Yacht Harbour

Usually ready in 2-4 days

Description

The SmartPlug 50A connector converts an existing 50A shore power cord to the SmartPlug system. Cut off the old twist-type plug, strip the conductors and fasten them into the colour-coded guides to give a large-current cord a safe, push-in boat-side connection.

It retrofits either a 125V or 250V cord, with cord seals included for either cable diameter, and uses large nickel-plated brass contacts for over 27 times the metal-to-metal area of a twist-type plug. Dual stainless side levers lock it into a SmartPlug 50A inlet so movement of the cord cannot loosen the pins. Certified ETL to ABYC E-11; requires a SmartPlug 50A inlet.

PRODUCT DETAILS

  • Retrofits any 50A cord: cut off the old plug and wire in the SmartPlug connector
  • Suits 125V or 250V cords, with cord seals for either cable diameter included
  • Large nickel-plated brass contacts for over 27x the metal-to-metal area of a twist plug
  • Dual stainless side levers lock into the inlet so cord movement never loosens the pins
  • Colour-coded wire guides and mechanical cord restraint for a reliable termination
  • Requires a SmartPlug 50A inlet (BM50S)
  • Certified ETL and built to ABYC E-11
  • Backed by a 7-year limited warranty

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SmartPlug Stainless Steel shorepower inlet. 240V - 50A - IP56

SmartPlug Stainless Steel shorepower inlet. 240V - 50A - IP56

Key specifications

Amperage50 A
Voltage125/250 V AC
ConfigurationBoat-side female connector (field-wireable cordset end)
CertificationETL listed; meets ABYC E-11
Warranty7-year limited

Construction & materials

Body materialUV- and heat-resistant TP-FR-G30 (PBT)
Electrical contactsNickel-plated brass
Side leversStainless steel
Cord sealsIncluded for 125V and 250V cord diameters
Wire guidesColour-coded

Compatibility

Requires inletSmartPlug 50A inlet (BM50S)

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What makes SmartPlug safer than a twist-type shore power connector?
Most shore power failures and fires are caused by overheating, not electrical shorting. A twist-type plug relies on a few curved pins that also carry the weight of the cord, so they work loose, arc and overheat. SmartPlug uses a push-in sleeve so the plug body takes the cord's load, provides over 27 times the pin contact area, and seals the connection behind three weatherproof gaskets.
How do I fit the connector to my cord?
Cut the old twist-type plug off your existing shore power cord, strip the conductors and secure them into the colour-coded wire guides, then close the cord seal. No special tools are needed beyond basic wiring tools.
Which inlet does it need?
It plugs into a SmartPlug 50A inlet (BM50S) fitted to the boat, and suits either a 125V or 250V cord.