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PowerWize 3.40mm Interconnects

Molex PowerWize 3.40mm Interconnects leverage Coeur socket technology to deliver power efficiency crucial for cost management. This high-power series features free-hanging and panel-mount housings and right-angle or vertical pin-in-paste reflow SMT-capable headers. Two mechanically keyed color options (black and white/natural) prevent mismating, and the connectors are touch-proof per UL 60950 for safety protection during handling. These interconnects offer optimal current-carrying capacity up to 75A with multiple contact beams that ensure low contact resistance, minimal heat generation, and low voltage drop. Positive-locking headers and receptacles provide secure mating and tactile feedback, and the headers support both pin-and-paste SMT reflow and wave solder processing. Typical applications include industrial automation, telecommunications, and networking.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.
Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Mechanical Keying Option 1, Color Coded Black, Plug Housing w/ Panel Mount Ears, Bag 2281870001 Molex 1: $1.57 600In Stock New Product	Mfr. Part # 2281870001 Mouser Part # 538-2281870001 New Product	Molex	Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Mechanical Keying Option 1, Color Coded Black, Plug Housing w/ Panel Mount Ears, Bag Learn More about Molex powerwize 3 40mm interconnects	Datasheet	600In Stock	$1.57 $1.33 $1.30 $0.888 $0.834	Min.: 1 Mult.: 1
Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Mechanical Keying Option 1, Color Coded Black, Plug Housing, Bag 2281860001 Molex 1: $1.53 600In Stock New Product	Mfr. Part # 2281860001 Mouser Part # 538-2281860001 New Product	Molex	Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Mechanical Keying Option 1, Color Coded Black, Plug Housing, Bag Learn More about Molex powerwize 3 40mm interconnects	Datasheet	600In Stock	$1.53 $1.28 $0.857 $0.804	Min.: 1 Mult.: 1
Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Mechanical Keying Option 2, Color Coded Natural, Plug Housing, Bag 2281860002 Molex 1: $1.53 600In Stock New Product	Mfr. Part # 2281860002 Mouser Part # 538-2281860002 New Product	Molex	Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Mechanical Keying Option 2, Color Coded Natural, Plug Housing, Bag Learn More about Molex powerwize 3 40mm interconnects	Datasheet	600In Stock	$1.53 $1.28 $0.857 $0.804	Min.: 1 Mult.: 1
Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Mechanical Keying Option 2, Color Coded Natural, Plug Housing w/ Panel Mount Ears, Bag 2281870002 Molex 1: $1.57 600In Stock New Product	Mfr. Part # 2281870002 Mouser Part # 538-2281870002 New Product	Molex	Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Mechanical Keying Option 2, Color Coded Natural, Plug Housing w/ Panel Mount Ears, Bag Learn More about Molex powerwize 3 40mm interconnects	Datasheet	600In Stock	$1.57 $1.33 $1.30 $0.888 $0.834	Min.: 1 Mult.: 1
Power to the Board PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 2, Color Coded Natural, Right Angle Header, T/R 221887-3422 Molex 1: $21.25 360In Stock New Product	Mfr. Part # 221887-3422 Mouser Part # 538-221887-3422 New Product	Molex	Power to the Board PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 2, Color Coded Natural, Right Angle Header, T/R Learn More about Molex powerwize 3 40mm interconnects	Datasheet	360In Stock	Cut Tape $21.25 $18.85 $18.13 $16.20 Reel $16.20 $15.91	Min.: 1 Mult.: 1 : 90
Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Pin, 8 AWG, Tray 2281920001 Molex 1: $7.99 900In Stock New Product	Mfr. Part # 2281920001 Mouser Part # 538-2281920001 New Product	Molex	Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Pin, 8 AWG, Tray Learn More about Molex powerwize 3 40mm interconnects	Datasheet	900In Stock	$7.99 $7.27 $4.87	Min.: 1 Mult.: 1
Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Pin, 10 AWG, Tray 2281920002 Molex 1: $7.99 900In Stock New Product	Mfr. Part # 2281920002 Mouser Part # 538-2281920002 New Product	Molex	Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Pin, 10 AWG, Tray Learn More about Molex powerwize 3 40mm interconnects	Datasheet	900In Stock	$7.99 $7.27 $4.87	Min.: 1 Mult.: 1
Power to the Board PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 1, Color Coded Black, Right Angle Header, T/R 221887-3421 Molex 1: $21.25 360In Stock New Product	Mfr. Part # 221887-3421 Mouser Part # 538-221887-3421 New Product	Molex	Power to the Board PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 1, Color Coded Black, Right Angle Header, T/R Learn More about Molex powerwize 3 40mm interconnects	Datasheet	360In Stock	Cut Tape $21.25 $18.85 $18.13 $16.20 Reel $16.20 $15.91	Min.: 1 Mult.: 1 : 90
Power to the Board PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 1, Color Coded Black, Vert. Header, T/R 221888-3421 Molex 1: $16.29 360In Stock New Product	Mfr. Part # 221888-3421 Mouser Part # 538-221888-3421 New Product	Molex	Power to the Board PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 1, Color Coded Black, Vert. Header, T/R Learn More about Molex powerwize 3 40mm interconnects	Datasheet	360In Stock	Cut Tape $16.29 $14.44 $13.88 $12.60 Reel $12.60 $12.57	Min.: 1 Mult.: 1 : 90
Power to the Board PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 2, Color Coded Natural, Vert. Header, T/R 221888-3422 Molex 1: $15.98 360In Stock New Product	Mfr. Part # 221888-3422 Mouser Part # 538-221888-3422 New Product	Molex	Power to the Board PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 2, Color Coded Natural, Vert. Header, T/R Learn More about Molex powerwize 3 40mm interconnects	Datasheet	360In Stock	Cut Tape $15.98 $13.58 $12.73 $11.52 Reel $11.52 View $10.97 $10.96 $9.78	Min.: 1 Mult.: 1 : 90
Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 2, Color Coded Natural, Right Angle Header, Tray 221887-3322 Molex 1: $19.56 193In Stock New Product	Mfr. Part # 221887-3322 Mouser Part # 538-221887-3322 New Product	Molex	Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 2, Color Coded Natural, Right Angle Header, Tray Learn More about Molex powerwize 3 40mm interconnects	Datasheet	193In Stock	$19.56 $15.64 $13.95 $13.94 View $12.60 $12.00	Min.: 1 Mult.: 1
Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 1, Color Coded Black, Vert. Header, Tray 221888-3321 Molex 1: $12.46 1,133In Stock New Product	Mfr. Part # 221888-3321 Mouser Part # 538-221888-3321 New Product	Molex	Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 1, Color Coded Black, Vert. Header, Tray Learn More about Molex powerwize 3 40mm interconnects	Datasheet	1,133In Stock	$12.46 $12.10 $9.68 $8.96 View $8.94 $8.84 $7.65	Min.: 1 Mult.: 1
Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 2, Color Coded Natural, Vert. Header, Tray 221888-3322 Molex 1: $12.46 411In Stock New Product	Mfr. Part # 221888-3322 Mouser Part # 538-221888-3322 New Product	Molex	Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 2, Color Coded Natural, Vert. Header, Tray Learn More about Molex powerwize 3 40mm interconnects	Datasheet	411In Stock	$12.46 $12.10 $9.68 $8.96 View $8.94 $8.02 $7.65	Min.: 1 Mult.: 1
Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Mechanical Keying Option 1, Color Coded Black, Recept. Housing, Bag 221597-3001 Molex 1: $1.32 700In Stock New Product	Mfr. Part # 221597-3001 Mouser Part # 538-221597-3001 New Product	Molex	Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Mechanical Keying Option 1, Color Coded Black, Recept. Housing, Bag Learn More about Molex powerwize 3 40mm interconnects	Datasheet	700In Stock	$1.32 $1.12 $1.00 $0.90 View $0.857 $0.855 $0.804 $0.753 $0.752	Min.: 1 Mult.: 1
Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Mechanical Keying Option 2, Color Coded Natural, Recept. Housing, Bag 221597-3002 Molex 1: $1.32 857In Stock New Product	Mfr. Part # 221597-3002 Mouser Part # 538-221597-3002 New Product	Molex	Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Mechanical Keying Option 2, Color Coded Natural, Recept. Housing, Bag Learn More about Molex powerwize 3 40mm interconnects	Datasheet	857In Stock	$1.32 $1.12 $1.00 $0.90 View $0.857 $0.832 $0.804 $0.753 $0.752	Min.: 1 Mult.: 1
Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Socket, 8 AWG, Tray 221616-3001 Molex 1: $12.15 68In Stock 1,344Expected 2027-02-01 New Product	Mfr. Part # 221616-3001 Mouser Part # 538-221616-3001 New Product	Molex	Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Socket, 8 AWG, Tray Learn More about Molex powerwize 3 40mm interconnects	Datasheet	68In Stock 1,344Expected 2027-02-01	$12.15 $10.32 $9.68 $9.23 View $8.71 $8.06	Min.: 1 Mult.: 1
Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Socket, 10 AWG, Tray 221616-3002 Molex 1: $12.21 252In Stock New Product	Mfr. Part # 221616-3002 Mouser Part # 538-221616-3002 New Product	Molex	Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Socket, 10 AWG, Tray Learn More about Molex powerwize 3 40mm interconnects	Datasheet	252In Stock	$12.21 $10.38 $9.73 $9.27 View $8.76 $7.80 $7.49	Min.: 1 Mult.: 1
Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 1, Color Coded Black, Right Angle Header, Tray 221887-3321 Molex 1: $19.56 110In Stock New Product	Mfr. Part # 221887-3321 Mouser Part # 538-221887-3321 New Product	Molex	Headers & Wire Housings PwrWize 3.4mm, 2-circuit, Solder Tail, Mechanical Keying Option 1, Color Coded Black, Right Angle Header, Tray Learn More about Molex powerwize 3 40mm interconnects	Datasheet	110In Stock	$19.56 $15.64 $13.95 $13.94 View $12.60 $12.00	Min.: 1 Mult.: 1

PowerWize 3.40mm Interconnects

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PowerWize 3.40mm Interconnects

Types of Connectors