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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 (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
Power to the Board PowerWize 3.40mm, 2-circuit, Solder Tail, Mechanical Keying Option 1, Color Coded Black, Right Angle Header, Tape and Reel 221887-3421 Molex 1: HK$121.33 360In Stock New Product	Mfr. Part No. 221887-3421 Mouser Part No 538-221887-3421 New Product	Molex	Power to the Board PowerWize 3.40mm, 2-circuit, Solder Tail, Mechanical Keying Option 1, Color Coded Black, Right Angle Header, Tape and Reel Learn More about Molex powerwize 3 40mm interconnects	Datasheet	360In Stock	Cut Tape HK$121.33 HK$107.60 HK$103.49 HK$92.48 Reel HK$92.48 HK$90.83	Min.: 1 Mult.: 1 : 90
Power to the Board PowerWize 3.40mm, 2-circuit, Solder Tail, Mechanical Keying Option 2, Color Coded Natural, Right Angle Header, Tape and Reel 221887-3422 Molex 1: HK$121.33 360In Stock New Product	Mfr. Part No. 221887-3422 Mouser Part No 538-221887-3422 New Product	Molex	Power to the Board PowerWize 3.40mm, 2-circuit, Solder Tail, Mechanical Keying Option 2, Color Coded Natural, Right Angle Header, Tape and Reel Learn More about Molex powerwize 3 40mm interconnects	Datasheet	360In Stock	Cut Tape HK$121.33 HK$107.60 HK$103.49 HK$92.48 Reel HK$92.48 HK$90.83	Min.: 1 Mult.: 1 : 90
Power to the Board PowerWize 3.40mm, 2-circuit, Solder Tail, Mechanical Keying Option 1, Color Coded Black, Vertical Header, Tape and Reel 221888-3421 Molex 1: HK$92.97 360In Stock New Product	Mfr. Part No. 221888-3421 Mouser Part No 538-221888-3421 New Product	Molex	Power to the Board PowerWize 3.40mm, 2-circuit, Solder Tail, Mechanical Keying Option 1, Color Coded Black, Vertical Header, Tape and Reel Learn More about Molex powerwize 3 40mm interconnects	Datasheet	360In Stock	Cut Tape HK$92.97 HK$82.45 HK$79.24 HK$71.93 Reel HK$71.93 HK$71.76	Min.: 1 Mult.: 1 : 90
Power to the Board PowerWize 3.40mm, 2-circuit, Solder Tail, Mechanical Keying Option 2, Color Coded Natural, Vertical Header, Tape and Reel 221888-3422 Molex 1: HK$92.97 360In Stock New Product	Mfr. Part No. 221888-3422 Mouser Part No 538-221888-3422 New Product	Molex	Power to the Board PowerWize 3.40mm, 2-circuit, Solder Tail, Mechanical Keying Option 2, Color Coded Natural, Vertical Header, Tape and Reel Learn More about Molex powerwize 3 40mm interconnects	Datasheet	360In Stock	Cut Tape HK$92.97 HK$82.45 HK$79.24 HK$76.12 Reel HK$76.12 View HK$71.76 HK$59.76	Min.: 1 Mult.: 1 : 90
Terminals PowerWize 3.40mm Silver Plated Copper Alloy Crimp Pin, 8 AWG, Tray 2281920001 Molex 1: HK$45.62 900In Stock New Product	Mfr. Part No. 2281920001 Mouser Part No 538-2281920001 New Product	Molex	Terminals PowerWize 3.40mm Silver Plated Copper Alloy Crimp Pin, 8 AWG, Tray Learn More about Molex powerwize 3 40mm interconnects	Datasheet	900In Stock	HK$45.62 HK$45.21 Quote Quote	Min.: 1 Mult.: 1
Terminals PowerWize 3.40mm Silver Plated Copper Alloy Crimp Pin, 10 AWG, Tray 2281920002 Molex 1: HK$45.62 900In Stock New Product	Mfr. Part No. 2281920002 Mouser Part No 538-2281920002 New Product	Molex	Terminals PowerWize 3.40mm Silver Plated Copper Alloy Crimp Pin, 10 AWG, Tray Learn More about Molex powerwize 3 40mm interconnects	Datasheet	900In Stock	HK$45.62 HK$45.21 Quote Quote	Min.: 1 Mult.: 1
Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Mechanical Keying Option 1, Color Coded Black, Plug Housing, Bag 2281860001 Molex 1: HK$8.63 600In Stock New Product	Mfr. Part No. 2281860001 Mouser Part No 538-2281860001 New Product	Molex	Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Mechanical Keying Option 1, Color Coded Black, Plug Housing, Bag Learn More about Molex powerwize 3 40mm interconnects	Datasheet	600In Stock	HK$8.63 HK$7.32 HK$7.02 HK$6.57 View HK$5.98 HK$5.38 HK$4.90 HK$4.59 HK$4.49	Min.: 1 Mult.: 1
Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Mechanical Keying Option 2, Color Coded Natural, Plug Housing, Bag 2281860002 Molex 1: HK$8.63 600In Stock New Product	Mfr. Part No. 2281860002 Mouser Part No 538-2281860002 New Product	Molex	Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Mechanical Keying Option 2, Color Coded Natural, Plug Housing, Bag Learn More about Molex powerwize 3 40mm interconnects	Datasheet	600In Stock	HK$8.63 HK$7.32 HK$7.02 HK$6.57 View HK$5.98 HK$5.38 HK$4.90 HK$4.59 HK$4.49	Min.: 1 Mult.: 1
Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Mechanical Keying Option 1, Color Coded Black, Plug Housing with Panel Mount Ears, Bag 2281870001 Molex 1: HK$8.88 600In Stock New Product	Mfr. Part No. 2281870001 Mouser Part No 538-2281870001 New Product	Molex	Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Mechanical Keying Option 1, Color Coded Black, Plug Housing with Panel Mount Ears, Bag Learn More about Molex powerwize 3 40mm interconnects	Datasheet	600In Stock	HK$8.88 HK$7.59 HK$7.27 HK$6.81 View HK$6.19 HK$5.57 HK$5.08 HK$4.76 HK$4.65	Min.: 1 Mult.: 1
Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Mechanical Keying Option 2, Color Coded Natural, Plug Housing with Panel Mount Ears, Bag 2281870002 Molex 1: HK$8.88 600In Stock New Product	Mfr. Part No. 2281870002 Mouser Part No 538-2281870002 New Product	Molex	Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Mechanical Keying Option 2, Color Coded Natural, Plug Housing with Panel Mount Ears, Bag Learn More about Molex powerwize 3 40mm interconnects	Datasheet	600In Stock	HK$8.88 HK$7.59 HK$7.27 HK$6.81 View HK$6.19 HK$5.57 HK$5.08 HK$4.76 HK$4.65	Min.: 1 Mult.: 1
Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Solder Tail, Mechanical Keying Option 2, Color Coded Natural, Right Angle Header, Tray 221887-3322 Molex 1: HK$111.63 193In Stock New Product	Mfr. Part No. 221887-3322 Mouser Part No 538-221887-3322 New Product	Molex	Headers & Wire Housings PowerWize 3.40mm, 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	HK$111.63 HK$89.27 HK$79.65 HK$79.57 View HK$71.93 HK$68.47	Min.: 1 Mult.: 1
Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Solder Tail, Mechanical Keying Option 1, Color Coded Black, Vertical Header, Tray 221888-3321 Molex 1: HK$71.10 485In Stock 648Expected 3/11/2026 New Product	Mfr. Part No. 221888-3321 Mouser Part No 538-221888-3321 New Product	Molex	Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Solder Tail, Mechanical Keying Option 1, Color Coded Black, Vertical Header, Tray Learn More about Molex powerwize 3 40mm interconnects	Datasheet	485In Stock 648Expected 3/11/2026	HK$71.10 HK$69.05 HK$55.24 HK$51.13 View HK$51.05 HK$50.47 HK$43.65	Min.: 1 Mult.: 1
Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Solder Tail, Mechanical Keying Option 2, Color Coded Natural, Vertical Header, Tray 221888-3322 Molex 1: HK$71.10 411In Stock New Product	Mfr. Part No. 221888-3322 Mouser Part No 538-221888-3322 New Product	Molex	Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Solder Tail, Mechanical Keying Option 2, Color Coded Natural, Vertical Header, Tray Learn More about Molex powerwize 3 40mm interconnects	Datasheet	411In Stock	HK$71.10 HK$69.05 HK$55.24 HK$51.13 View HK$51.05 HK$45.79 HK$43.65	Min.: 1 Mult.: 1
Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Mechanical Keying Option 1, Color Coded Black, Receptacle Housing, Bag 221597-3001 Molex 1: HK$7.56 701In Stock New Product	Mfr. Part No. 221597-3001 Mouser Part No 538-221597-3001 New Product	Molex	Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Mechanical Keying Option 1, Color Coded Black, Receptacle Housing, Bag Learn More about Molex powerwize 3 40mm interconnects	Datasheet	701In Stock	HK$7.56 HK$6.41 HK$5.72 HK$5.14 View HK$4.89 HK$4.75 HK$4.59 HK$4.30 HK$4.29	Min.: 1 Mult.: 1
Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Mechanical Keying Option 2, Color Coded Natural, Receptacle Housing, Bag 221597-3002 Molex 1: HK$7.56 864In Stock New Product	Mfr. Part No. 221597-3002 Mouser Part No 538-221597-3002 New Product	Molex	Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Mechanical Keying Option 2, Color Coded Natural, Receptacle Housing, Bag Learn More about Molex powerwize 3 40mm interconnects	Datasheet	864In Stock	HK$7.56 HK$6.41 HK$5.72 HK$5.14 View HK$4.89 HK$4.75 HK$4.59 HK$4.30 HK$4.29	Min.: 1 Mult.: 1
Terminals PowerWize 3.40mm Silver Plated Copper Alloy Crimp Socket, 8 AWG, Tray 221616-3001 Molex 1: HK$69.38 116In Stock 1,344Expected 1/2/2027 New Product	Mfr. Part No. 221616-3001 Mouser Part No 538-221616-3001 New Product	Molex	Terminals PowerWize 3.40mm Silver Plated Copper Alloy Crimp Socket, 8 AWG, Tray Learn More about Molex powerwize 3 40mm interconnects	Datasheet	116In Stock 1,344Expected 1/2/2027	HK$69.38 HK$58.94 HK$55.24 HK$52.69 View HK$49.73 HK$46.03	Min.: 1 Mult.: 1
Terminals PowerWize 3.40mm Silver Plated Copper Alloy Crimp Socket, 10 AWG, Tray 221616-3002 Molex 1: HK$69.71 254In Stock New Product	Mfr. Part No. 221616-3002 Mouser Part No 538-221616-3002 New Product	Molex	Terminals PowerWize 3.40mm Silver Plated Copper Alloy Crimp Socket, 10 AWG, Tray Learn More about Molex powerwize 3 40mm interconnects	Datasheet	254In Stock	HK$69.71 HK$59.27 HK$55.57 HK$52.94 View HK$49.98 HK$44.55 HK$42.74	Min.: 1 Mult.: 1
Headers & Wire Housings PowerWize 3.40mm, 2-circuit, Solder Tail, Mechanical Keying Option 1, Color Coded Black, Right Angle Header, Tray 221887-3321 Molex 1: HK$111.63 110In Stock New Product	Mfr. Part No. 221887-3321 Mouser Part No 538-221887-3321 New Product	Molex	Headers & Wire Housings PowerWize 3.40mm, 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	HK$111.63 HK$89.27 HK$79.65 HK$79.57 View HK$71.93 HK$68.47	Min.: 1 Mult.: 1

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