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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 (SGD) 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: $1.48 600In Stock New Product	Mfr. Part No. 2281870001 Mouser Part No 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	$1.48 $1.26 $1.23 $0.839 $0.787	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: $1.44 600In Stock New Product	Mfr. Part No. 2281860002 Mouser Part No 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	$1.44 $1.21 $0.809 $0.759	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: $1.48 600In Stock New Product	Mfr. Part No. 2281870002 Mouser Part No 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	$1.48 $1.26 $1.23 $0.839 $0.787	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: $1.44 600In Stock New Product	Mfr. Part No. 2281860001 Mouser Part No 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	$1.44 $1.21 $0.809 $0.759	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: $20.07 360In Stock New Product	Mfr. Part No. 221887-3422 Mouser Part No 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 $20.07 $17.80 $17.12 $15.30 Reel $15.30 $15.03	Min.: 1 Mult.: 1 : 90
Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Pin, 8 AWG, Tray 2281920001 Molex 1: $7.55 900In Stock New Product	Mfr. Part No. 2281920001 Mouser Part No 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	$7.55 $6.87 $4.60	Min.: 1 Mult.: 1
Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Pin, 10 AWG, Tray 2281920002 Molex 1: $7.55 900In Stock New Product	Mfr. Part No. 2281920002 Mouser Part No 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	$7.55 $6.87 $4.60	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: $20.07 360In Stock New Product	Mfr. Part No. 221887-3421 Mouser Part No 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 $20.07 $17.80 $17.12 $15.30 Reel $15.30 $15.03	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: $15.38 360In Stock New Product	Mfr. Part No. 221888-3421 Mouser Part No 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 $15.38 $13.64 $13.11 $11.90 Reel $11.90 $11.87	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: $15.10 360In Stock New Product	Mfr. Part No. 221888-3422 Mouser Part No 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 $15.10 $12.82 $12.02 $10.88 Reel $10.88 View $10.36 $10.35 $9.23	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: $18.47 193In Stock New Product	Mfr. Part No. 221887-3322 Mouser Part No 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	$18.47 $14.77 $13.18 $13.16 View $11.90 $11.33	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: $11.76 485In Stock 648Expected 12/11/2026 New Product	Mfr. Part No. 221888-3321 Mouser Part No 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 12/11/2026	$11.76 $11.42 $9.14 $8.46 View $8.45 $8.35 $7.22	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: $11.76 411In Stock New Product	Mfr. Part No. 221888-3322 Mouser Part No 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	$11.76 $11.42 $9.14 $8.46 View $8.45 $7.58 $7.22	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: $1.25 701In Stock New Product	Mfr. Part No. 221597-3001 Mouser Part No 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	$1.25 $1.06 $0.947 $0.85 View $0.809 $0.808 $0.759 $0.711 $0.71	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: $1.25 857In Stock New Product	Mfr. Part No. 221597-3002 Mouser Part No 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	$1.25 $1.06 $0.947 $0.85 View $0.809 $0.786 $0.759 $0.711 $0.71	Min.: 1 Mult.: 1
Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Socket, 8 AWG, Tray 221616-3001 Molex 1: $11.48 68In Stock 1,344Expected 1/2/2027 New Product	Mfr. Part No. 221616-3001 Mouser Part No 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 1/2/2027	$11.48 $9.75 $9.14 $8.72 View $8.23 $7.62	Min.: 1 Mult.: 1
Terminals PwrWize 3.4mm Silver Plated Copper Alloy Crimp Socket, 10 AWG, Tray 221616-3002 Molex 1: $11.53 254In Stock New Product	Mfr. Part No. 221616-3002 Mouser Part No 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	$11.53 $9.81 $9.19 $8.76 View $8.27 $7.37 $7.07	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: $18.47 110In Stock New Product	Mfr. Part No. 221887-3321 Mouser Part No 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	$18.47 $14.77 $13.18 $13.16 View $11.90 $11.33	Min.: 1 Mult.: 1

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PowerWize 3.40mm Interconnects

Types of Connectors