Heavy Duty Power Connectors

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MultiCat High-Power Connector System

Molex MultiCat Power Connector System with precision machined contacts quickly mate and ensure superior durability and proper connection via connector position assurance (CPA). This CPA makes the MultiCat System effective in multiple industries. The MultiCat Power Connector System features lightweight and compact wire-to-wire and wire-to-board configurations while accommodating 18AWG to 8AWG wires.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Product	Accessory Type	Current Rating	Number of Positions	Termination Style	Voltage Rating	Housing Material	Contact Plating	Contact Material	Wire Gauge Min	Wire Gauge Max	Maximum Operating Temperature	Tradename
Heavy Duty Power Connectors MultiCat High-Pwr Inline Plug Housing, 4 Pos., Black, Key A 201840-0040 Molex 1: ¥1,720.8 2,165In Stock	Mfr. Part # 201840-0040 Mouser Part # 538-201840-0040	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Inline Plug Housing, 4 Pos., Black, Key A Learn More about Molex multicat power connector system	Datasheet	2,165In Stock	¥1,720.8 ¥1,338.8 ¥1,280.6 ¥1,232.5 View ¥1,179.3 ¥1,129.5 ¥1,092.9 ¥1,021.5 Quote	Min.: 1 Mult.: 1	201840	Connectors			4 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Vert. Header, 3 Pos., Key B, Gray 201842-1031 Molex 1: ¥2,795.5 131In Stock	Mfr. Part # 201842-1031 Mouser Part # 538-201842-1031	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Vert. Header, 3 Pos., Key B, Gray	Datasheet	131In Stock	¥2,795.5 ¥2,376.9 ¥2,375.2 ¥1,772.3 View ¥1,770.6 ¥1,727.4 ¥1,702.5	Min.: 1 Mult.: 1	201842	Connectors		40 A	3 Position	Solder	1 kV	Polyetherimide (PEI)	Gold	Copper Alloy			+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Inline Plug Housing, 4 Pos., Gray, Key B 201840-0041 Molex 1: ¥1,996.5 556In Stock	Mfr. Part # 201840-0041 Mouser Part # 538-201840-0041	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Inline Plug Housing, 4 Pos., Gray, Key B	Datasheet	556In Stock	¥1,996.5 ¥1,770.6 ¥1,702.5 ¥1,634.4 View ¥1,543.1 ¥1,406.9 ¥1,315.5 ¥1,177.6 Quote	Min.: 1 Mult.: 1	201840	Connectors			4 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Hermaphroditic Backshell, 3 Pos., 18-12 AWG, Gray 201844-0131 Molex 1: ¥631.2 1,952In Stock	Mfr. Part # 201844-0131 Mouser Part # 538-201844-0131	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Hermaphroditic Backshell, 3 Pos., 18-12 AWG, Gray	Datasheet	1,952In Stock	¥631.2 ¥536.5 ¥480 ¥456.8 View ¥428.5 ¥406.9 ¥348.8 ¥340.5 ¥332.2	Min.: 1 Mult.: 1	201844	Accessories	Backshell		3 Position			Polyetherimide (PEI)			12 AWG	18 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Inline Recept. Housing, 3 Pos., Gray, Key B 201841-0031 Molex 1: ¥1,795.5 685In Stock	Mfr. Part # 201841-0031 Mouser Part # 538-201841-0031	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Inline Recept. Housing, 3 Pos., Gray, Key B	Datasheet	685In Stock	¥1,795.5 ¥1,526.5 ¥1,430.1 ¥1,362 View ¥1,297.2 ¥1,215.9 ¥1,068 Quote	Min.: 1 Mult.: 1	201841	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Hermaphroditic Backshell, 4 Pos., 10-8 AWG, Black 201844-0040 Molex 1: ¥598 488In Stock	Mfr. Part # 201844-0040 Mouser Part # 538-201844-0040	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Hermaphroditic Backshell, 4 Pos., 10-8 AWG, Black Learn More about Molex multicat power connector system	Datasheet	488In Stock	¥598 ¥508.3 ¥453.5 ¥431.9 View ¥405.3 ¥385.4 ¥325.6 ¥310.6 ¥307.3	Min.: 1 Mult.: 1	201844	Accessories	Backshell		4 Position			Polyetherimide (PEI)			10 AWG	8 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Hermaphroditic Backshell, 4 Pos., 18-12 AWG, Black 201844-0140 Molex 2: ¥583 1,872In Stock	Mfr. Part # 201844-0140 Mouser Part # 538-201844-0140	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Hermaphroditic Backshell, 4 Pos., 18-12 AWG, Black Learn More about Molex multicat power connector system	Datasheet	1,872In Stock	¥583 ¥463.4 ¥441.8 ¥400.3 View ¥380.4 ¥337.2 ¥317.3 ¥308.9 ¥304	Min.: 2 Mult.: 2	201844	Backshells	Backshell		4 Position			Polyetherimide (PEI)			18 AWG	12 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Inline Plug Housing, 3 Pos., Black, Key A 201840-0030 Molex 1: ¥1,398.6 3,863In Stock	Mfr. Part # 201840-0030 Mouser Part # 538-201840-0030	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Inline Plug Housing, 3 Pos., Black, Key A Learn More about Molex multicat power connector system	Datasheet	3,863In Stock	¥1,398.6 ¥1,189.3 ¥1,114.5 ¥1,061.4 View ¥1,011.5 ¥916.9 ¥873.7 ¥848.8 ¥847.1	Min.: 1 Mult.: 1	201840	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Plug Terminal, Gold over Nickel Phosphorus Pltg, 18-16 AWG 201845-0010 Molex 1: ¥740.8 10,188In Stock	Mfr. Part # 201845-0010 Mouser Part # 538-201845-0010	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Plug Terminal, Gold over Nickel Phosphorus Pltg, 18-16 AWG Learn More about Molex multicat power connector system	Datasheet	10,188In Stock	¥740.8 ¥631.2 ¥563.1 ¥536.5 View ¥503.3 ¥456.8 ¥435.2	Min.: 1 Mult.: 1	201845	Contacts		16 A		Crimp	1 kVAC		Gold	Copper Alloy	18 AWG	16 AWG		MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Circular Plug Housing, 3 Pos., Black 200914-0003 Molex 1: ¥596.3 1,587In Stock	Mfr. Part # 200914-0003 Mouser Part # 538-200914-0003	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Circular Plug Housing, 3 Pos., Black Learn More about Molex multicat power connector system	Datasheet	1,587In Stock	¥596.3 ¥506.6 ¥453.5 ¥431.9 View ¥403.6 ¥385.4 ¥367.1 ¥333.9 ¥325.6	Min.: 1 Mult.: 1	200914	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Inline Plug Housing, 3 Pos., Gray, Key B 201840-0031 Molex 1: ¥1,712.5 1,343In Stock	Mfr. Part # 201840-0031 Mouser Part # 538-201840-0031	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Inline Plug Housing, 3 Pos., Gray, Key B	Datasheet	1,343In Stock	¥1,712.5 ¥1,456.7 ¥1,365.3 ¥1,300.6 View ¥1,239.1 ¥1,122.8 ¥1,069.7 ¥1,038.1	Min.: 1 Mult.: 1	201840	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Inline Recept. Housing, 3 Pos., Black, Key A 201841-0030 Molex 1: ¥1,548.1 275In Stock 1,536Expected 12/31/2026	Mfr. Part # 201841-0030 Mouser Part # 538-201841-0030	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Inline Recept. Housing, 3 Pos., Black, Key A Learn More about Molex multicat power connector system	Datasheet	275In Stock 1,536Expected 12/31/2026	¥1,548.1 ¥1,315.5 ¥1,234.1 ¥1,174.3 View ¥1,119.5 ¥1,048.1 ¥968.4 ¥921.9	Min.: 1 Mult.: 1	201841	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Inline Recept. Housing, 4 Pos., Gray, Key B 201841-0041 Molex 1: ¥2,092.9 195In Stock	Mfr. Part # 201841-0041 Mouser Part # 538-201841-0041	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Inline Recept. Housing, 4 Pos., Gray, Key B	Datasheet	195In Stock	¥2,092.9 ¥1,778.9 ¥1,667.6 ¥1,587.9 View ¥1,511.5 ¥1,352.1 ¥1,255.7 ¥1,214.2 Quote	Min.: 1 Mult.: 1	201841	Connectors			4 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Inline Recept. Housing w/ CPA, 3 Pos., Gray, Key B 201841-0131 Molex 1: ¥2,104.5 1,509In Stock	Mfr. Part # 201841-0131 Mouser Part # 538-201841-0131	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Inline Recept. Housing w/ CPA, 3 Pos., Gray, Key B	Datasheet	1,509In Stock	¥2,104.5 ¥1,788.9 ¥1,677.6 ¥1,597.9 View ¥1,521.5 ¥1,425.1 ¥1,343.7 Quote	Min.: 1 Mult.: 1	201841	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Vert. Header, 3 Pos., Key A, Black 201842-1030 Molex 1: ¥2,413.4 404In Stock 405Expected 1/25/2027	Mfr. Part # 201842-1030 Mouser Part # 538-201842-1030	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Vert. Header, 3 Pos., Key A, Black Learn More about Molex multicat power connector system	Datasheet	404In Stock 405Expected 1/25/2027	¥2,413.4 ¥2,410.1 ¥1,913.5 ¥1,735.7 View ¥1,734.1 ¥1,553 ¥1,489.9	Min.: 1 Mult.: 1	201842	Connectors		40 A	3 Position	Solder	1 kV	Polyetherimide (PEI)	Gold	Copper Alloy			+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Hermaphroditic Backshell, 3 Pos., 10-8 AWG, Gray 201844-0031 Molex 1: ¥601.3 662In Stock	Mfr. Part # 201844-0031 Mouser Part # 538-201844-0031	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Hermaphroditic Backshell, 3 Pos., 10-8 AWG, Gray	Datasheet	662In Stock	¥601.3 ¥528.2 ¥471.7 ¥448.5 View ¥420.2 ¥411.9 ¥357.1 ¥337.2 ¥328.9	Min.: 1 Mult.: 1	201844	Accessories	Backshell		3 Position			Polyetherimide (PEI)			8 AWG	10 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Hermaphroditic Backshell, 4 Pos., 10-8 AWG, Gray 201844-0041 Molex 1: ¥832.2 666In Stock	Mfr. Part # 201844-0041 Mouser Part # 538-201844-0041	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Hermaphroditic Backshell, 4 Pos., 10-8 AWG, Gray	Datasheet	666In Stock	¥832.2 ¥757.4 ¥717.6 ¥667.7 View ¥584.7 ¥496.6 ¥455.1 ¥440.2 Quote	Min.: 1 Mult.: 1	201844	Accessories	Backshell		4 Position			Polyetherimide (PEI)			8 AWG	10 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Hermaphroditic Backshell, 3 Pos., 18-12 AWG, Black 201844-0130 Molex 1: ¥460.1 2,136In Stock 18,000On Order	Mfr. Part # 201844-0130 Mouser Part # 538-201844-0130	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Hermaphroditic Backshell, 3 Pos., 18-12 AWG, Black Learn More about Molex multicat power connector system	Datasheet	2,136In Stock 18,000On Order On Order Ship Dates Mfr. #: 201844-0130 Stock: 2,136 Can Ship Immediately On Order: 6,000 Expected 11/6/2026 12,000 Expected 1/28/2027 Factory Lead-Time: 18 Weeks	¥460.1 ¥406.9 ¥363.8 ¥347.1 View ¥325.6 ¥308.9 ¥300.6 ¥265.8 ¥262.4	Min.: 1 Mult.: 1	201844	Accessories	Backshell		3 Position			Polyetherimide (PEI)			18 AWG	12 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Plug Terminal, Gold over Nickel Phosphorus Pltg, 10-8 AWG 201845-0040 Molex 1: ¥900.3 2,100In Stock 2,500Expected 1/18/2027	Mfr. Part # 201845-0040 Mouser Part # 538-201845-0040	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Plug Terminal, Gold over Nickel Phosphorus Pltg, 10-8 AWG Learn More about Molex multicat power connector system	Datasheet	2,100In Stock 2,500Expected 1/18/2027	¥900.3 ¥765.7 ¥717.6 ¥682.7 View ¥651.1 ¥602.9 ¥581.4 ¥553.1 ¥551.5	Min.: 1 Mult.: 1	201845	Contacts		40 A		Crimp	1 kVAC		Gold	Copper Alloy	10 AWG	8 AWG		MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Circular Recept. Housing, 3 Pos., Black 200915-0003 Molex 1: ¥612.9 536In Stock 1,536Expected 11/5/2026	Mfr. Part # 200915-0003 Mouser Part # 538-200915-0003	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Circular Recept. Housing, 3 Pos., Black Learn More about Molex multicat power connector system	Datasheet	536In Stock 1,536Expected 11/5/2026	¥612.9 ¥521.6 ¥465.1 ¥443.5 View ¥415.3 ¥395.3 ¥377 ¥332.2	Min.: 1 Mult.: 1	200915	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Vert. Header, 4 Pos., Key A, Black 201842-1040 Molex 1: ¥2,866.9 85In Stock 270On Order	Mfr. Part # 201842-1040 Mouser Part # 538-201842-1040	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Vert. Header, 4 Pos., Key A, Black Learn More about Molex multicat power connector system	Datasheet	85In Stock 270On Order	¥2,866.9 ¥2,667.6 ¥2,272.2 ¥2,162.6 View ¥2,059.6 ¥1,925.1	Min.: 1 Mult.: 1	201842	Connectors		40 A	4 Position	Solder	1 kV	Polyetherimide (PEI)	Gold	Copper Alloy			+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Hermaphroditic Backshell, 3 Pos., 10-8 AWG, Black 201844-0030 Molex 1: ¥483.4 635In Stock	Mfr. Part # 201844-0030 Mouser Part # 538-201844-0030	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Hermaphroditic Backshell, 3 Pos., 10-8 AWG, Black Learn More about Molex multicat power connector system	Datasheet	635In Stock	¥483.4 ¥411.9 ¥367.1 ¥350.5 View ¥328.9 ¥312.3 ¥294 ¥257.5 ¥250.8	Min.: 1 Mult.: 1	201844	Accessories	Backshell		3 Position			Polyetherimide (PEI)			10 AWG	8 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Plug Terminal, Gold over Nickel Phosphorus Pltg, 12-10 AWG 201845-0030 Molex 1: ¥785.7 24In Stock 2,000On Order	Mfr. Part # 201845-0030 Mouser Part # 538-201845-0030	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Plug Terminal, Gold over Nickel Phosphorus Pltg, 12-10 AWG Learn More about Molex multicat power connector system	Datasheet	24In Stock 2,000On Order On Order Ship Dates Mfr. #: 201845-0030 Stock: 24 Can Ship Immediately On Order: 1,000 Expected 12/8/2026 1,000 Expected 1/18/2027 Factory Lead-Time: 23 Weeks	¥785.7 ¥667.7 ¥626.2 ¥596.3 View ¥568.1 ¥533.2 ¥485 ¥461.8	Min.: 1 Mult.: 1	201845	Contacts		30 A		Crimp	1 kVAC		Gold	Copper Alloy	12 AWG	10 AWG		MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr Inline Recept. Housing w/ CPA, 3 Pos., Black, Key A 201841-0130 Molex 1: ¥1,757.3 3,817Expected 12/10/2026	Mfr. Part # 201841-0130 Mouser Part # 538-201841-0130	Molex	Heavy Duty Power Connectors MultiCat High-Pwr Inline Recept. Housing w/ CPA, 3 Pos., Black, Key A Learn More about Molex multicat power connector system	Datasheet	3,817Expected 12/10/2026	¥1,757.3 ¥1,493.2 ¥1,400.2 ¥1,333.8 View ¥1,269 ¥1,190.9 ¥1,099.6 ¥1,097.9	Min.: 1 Mult.: 1	201841	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat High-Pwr R/A Header, 3 Pos., Key A, Black 201843-1030 Molex 1: ¥3,310.4 1,080Expected 1/7/2027	Mfr. Part # 201843-1030 Mouser Part # 538-201843-1030	Molex	Heavy Duty Power Connectors MultiCat High-Pwr R/A Header, 3 Pos., Key A, Black Learn More about Molex multicat power connector system	Datasheet	1,080Expected 1/7/2027	¥3,310.4 ¥3,081.2 ¥2,622.7 ¥2,225.7 View ¥2,161 ¥2,104.5	Min.: 1 Mult.: 1	201843	Connectors		40 A	3 Position	Solder	1 kV	Polyetherimide (PEI)	Gold	Copper Alloy			+ 150 C	MultiCat

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MultiCat High-Power Connector System

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