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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 (CLP) 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 2, Color Coded Natural, Plug Housing, Bag 2281860002 Molex 1: $1.196 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	$1.196 $1.014 $973 $910 View $828 $745 $679 $636 $622	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: $1.230 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	$1.230 $1.052 $1.008 $944 View $858 $772 $704 $660 $645	Min.: 1 Mult.: 1
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: $1.230 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	$1.230 $1.052 $1.008 $944 View $858 $772 $704 $660 $645	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: $1.196 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	$1.196 $1.014 $973 $910 View $828 $745 $679 $636 $622	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: $16.816 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 $16.816 $14.913 $14.343 $12.817 Reel $12.817 $12.589	Min.: 1 Mult.: 1 : 90
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: $16.816 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 $16.816 $14.913 $14.343 $12.817 Reel $12.817 $12.589	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: $12.885 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 $12.885 $11.427 $10.983 $9.969 Reel $9.969 $9.946	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: $12.885 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 $12.885 $11.427 $10.983 $10.550 Reel $10.550 View $9.946 $8.283	Min.: 1 Mult.: 1 : 90
Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Pin, 8 AWG, Tray 2281920001 Molex 1: $6.323 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	$6.323 $6.266 Quote Quote	Min.: 1 Mult.: 1
Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Pin, 10 AWG, Tray 2281920002 Molex 1: $6.323 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	$6.323 $6.266 Quote Quote	Min.: 1 Mult.: 1
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: $15.471 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	$15.471 $12.373 $11.040 $11.028 View $9.969 $9.490	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: $9.855 485In Stock 648Expected 11/3/2026 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	485In Stock 648Expected 11/3/2026	$9.855 $9.570 $7.656 $7.086 View $7.075 $6.995 $6.050	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: $9.855 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	$9.855 $9.570 $7.656 $7.086 View $7.075 $6.346 $6.050	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: $1.048 701In 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	701In Stock	$1.048 $889 $793 $712 View $678 $677 $636 $596 $595	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: $1.048 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	$1.048 $889 $793 $712 View $678 $659 $636 $596 $595	Min.: 1 Mult.: 1
Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Socket, 8 AWG, Tray 221616-3001 Molex 1: $9.615 68In Stock 1.344Expected 2/1/2027 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 2/1/2027	$9.615 $8.169 $7.656 $7.303 View $6.893 $6.380	Min.: 1 Mult.: 1
Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Socket, 10 AWG, Tray 221616-3002 Molex 1: $9.661 254In 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	254In Stock	$9.661 $8.214 $7.702 $7.337 View $6.927 $6.175 $5.924	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: $15.471 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	$15.471 $12.373 $11.040 $11.028 View $9.969 $9.490	Min.: 1 Mult.: 1

PowerWize 3.40mm Interconnects

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PowerWize 3.40mm Interconnects

Types of Connectors