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 R/A Header 3 Circ GRY Key B 201843-1031 Molex 1: ¥3,551.2 31In Stock	Mfr. Part # 201843-1031 Mouser Part # 538-201843-1031	Molex	Heavy Duty Power Connectors MultiCat R/A Header 3 Circ GRY Key B	Datasheet	31In Stock	¥3,551.2 ¥3,018 ¥3,011.4 ¥2,798.8 View ¥2,458.3 ¥2,318.8 ¥2,227.4 Quote	Min.: 1 Mult.: 1	201843	Connectors		40 A	3 Position	Solder	1 kV	Polyetherimide (PEI)	Gold	Copper Alloy			+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat R/A Header 4 Circ BLK Key A Molex 201843-1040 201843-1040 Molex 1: ¥3,858.5 16In Stock	Mfr. Part # 201843-1040 Mouser Part # 538-201843-1040	Molex	Heavy Duty Power Connectors MultiCat R/A Header 4 Circ BLK Key A Learn More about Molex multicat power connector system	Datasheet	16In Stock	¥3,858.5 ¥3,278.8 ¥3,220.7 ¥3,136 View ¥2,655.9 ¥2,569.6 ¥2,474.9	Min.: 1 Mult.: 1	201843	Connectors		40 A	4 Position	Solder	1 kV	Polyetherimide (PEI)	Gold	Copper Alloy			+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Herm BCKSHL 3 Circ 8-10AWG GRY 201844-0031 Molex 1: ¥598 662In Stock	Mfr. Part # 201844-0031 Mouser Part # 538-201844-0031	Molex	Heavy Duty Power Connectors MultiCat Herm BCKSHL 3 Circ 8-10AWG GRY	Datasheet	662In Stock	¥598 ¥508.3 ¥453.5 ¥431.9 View ¥405.3 ¥385.4 ¥383.7 ¥332.2	Min.: 1 Mult.: 1	201844	Accessories	Backshell		3 Position			Polyetherimide (PEI)			8 AWG	10 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Plug Terminal 10-12 AWG 201845-0030 Molex 1: ¥848.8 24In Stock 2,000On Order	Mfr. Part # 201845-0030 Mouser Part # 538-201845-0030	Molex	Heavy Duty Power Connectors MultiCat Plug Terminal 10-12 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	¥848.8 ¥772.4 ¥730.8 ¥596.3 View ¥568.1 ¥533.2 ¥485 ¥453.5 ¥435.2	Min.: 1 Mult.: 1	201845	Contacts		30 A		Crimp	1 kVAC		Gold	Copper Alloy	12 AWG	10 AWG		MultiCat
Heavy Duty Power Connectors MultiCat Inline Rcpt w/CPA 3P Key A BLK 201841-0130 Molex 1: ¥1,667.6 3,817Expected 10/8/2026	Mfr. Part # 201841-0130 Mouser Part # 538-201841-0130	Molex	Heavy Duty Power Connectors MultiCat Inline Rcpt w/CPA 3P Key A BLK Learn More about Molex multicat power connector system	Datasheet	3,817Expected 10/8/2026	¥1,667.6 ¥1,504.9 ¥1,450.1 ¥1,383.6 View ¥1,317.2 ¥1,235.8 ¥1,141.1 ¥1,136.1 Quote	Min.: 1 Mult.: 1	201841	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Receptacle Terminal 12-14 AWG 201846-0020 Molex 1: ¥908.6 7,789On Order	Mfr. Part # 201846-0020 Mouser Part # 538-201846-0020	Molex	Heavy Duty Power Connectors MultiCat Receptacle Terminal 12-14 AWG Learn More about Molex multicat power connector system	Datasheet	7,789On Order On Order Ship Dates Mfr. #: 201846-0020 Stock: 0 On Order: 789 Expected 10/29/2026 1,500 Expected 11/12/2026 2,500 Expected 12/2/2026 3,000 Expected 2/4/2027 Factory Lead-Time: 23 Weeks	¥908.6 ¥772.4 ¥724.2 ¥689.3 View ¥656.1 ¥614.6 ¥561.4 ¥533.2 ¥518.2	Min.: 1 Mult.: 1	201846	Contacts		26 A		Crimp	1 kVAC		Gold	Copper Alloy	14 AWG	12 AWG		MultiCat
Heavy Duty Power Connectors MultiCat Receptacle Terminal 10-12 AWG 201846-0030 Molex 1: ¥966.7 6,567On Order	Mfr. Part # 201846-0030 Mouser Part # 538-201846-0030	Molex	Heavy Duty Power Connectors MultiCat Receptacle Terminal 10-12 AWG Learn More about Molex multicat power connector system	Datasheet	6,567On Order On Order Ship Dates Mfr. #: 201846-0030 Stock: 0 On Order: 67 Expected 10/6/2026 1,500 Expected 10/13/2026 1,000 Expected 11/27/2026 1,500 Expected 12/14/2026 2,500 Expected 1/18/2027 Factory Lead-Time: 23 Weeks	¥966.7 ¥822.2 ¥770.7 ¥734.2 View ¥699.3 ¥654.4 ¥596.3 ¥561.4 ¥546.5	Min.: 1 Mult.: 1	201846	Contacts		30 A		Crimp	1 kVAC		Gold	Copper Alloy	12 AWG	10 AWG		MultiCat
Heavy Duty Power Connectors MultiCat Receptacle Terminal 8-10 AWG 201846-0040 Molex 1: ¥905.2 43,500On Order	Mfr. Part # 201846-0040 Mouser Part # 538-201846-0040	Molex	Heavy Duty Power Connectors MultiCat Receptacle Terminal 8-10 AWG Learn More about Molex multicat power connector system	Datasheet	43,500On Order On Order Ship Dates Mfr. #: 201846-0040 Stock: 0 On Order: 10,000 Expected 12/1/2026 18,000 Expected 12/8/2026 15,500 Expected 12/31/2026 Factory Lead-Time: 14 Weeks	¥905.2 ¥800.6 ¥739.1 ¥715.9 View ¥681 ¥631.2 ¥606.3 ¥578 ¥541.5	Min.: 1 Mult.: 1	201846	Contacts		40 A		Crimp	1 kVAC		Gold	Copper Alloy	10 AWG	8 AWG		MultiCat
Heavy Duty Power Connectors MultiCat Inline Rcpt Hsg 4Ckt Key A Blk 201841-0040 Molex 1: ¥1,921.8 375Expected 11/19/2026	Mfr. Part # 201841-0040 Mouser Part # 538-201841-0040	Molex	Heavy Duty Power Connectors MultiCat Inline Rcpt Hsg 4Ckt Key A Blk	Datasheet	375Expected 11/19/2026	¥1,921.8 ¥1,634.4 ¥1,531.4 ¥1,458.4 View ¥1,388.6 ¥1,264 ¥1,202.6 ¥1,161	Min.: 1 Mult.: 1	201841	Connectors			4 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat R/A Header 4 Circ GRY Key B 201843-1041 Molex 1: ¥4,277.1 135Expected 12/25/2026	Mfr. Part # 201843-1041 Mouser Part # 538-201843-1041	Molex	Heavy Duty Power Connectors MultiCat R/A Header 4 Circ GRY Key B	Datasheet	135Expected 12/25/2026	¥4,277.1 ¥3,720.6 ¥3,709 ¥2,959.9 View ¥2,861.9 ¥2,744	Min.: 1 Mult.: 1	201843	Connectors		40 A	4 Position	Solder	1 kV	Polyetherimide (PEI)	Gold	Copper Alloy			+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Plug Terminal 12-14 AWG 201845-0020 Molex 1: ¥818.9 2,343On Order	Mfr. Part # 201845-0020 Mouser Part # 538-201845-0020	Molex	Heavy Duty Power Connectors MultiCat Plug Terminal 12-14 AWG Learn More about Molex multicat power connector system	Datasheet	2,343On Order On Order Ship Dates Mfr. #: 201845-0020 Stock: 0 On Order: 843 Expected 12/2/2026 1,500 Expected 12/31/2026 Factory Lead-Time: 24 Weeks	¥818.9 ¥696 ¥652.8 ¥621.2 View ¥591.3 ¥554.8 ¥526.5 ¥500 ¥441.8	Min.: 1 Mult.: 1	201845	Contacts		26 A		Crimp	1 kVAC		Gold	Copper Alloy	14 AWG	12 AWG		MultiCat
Heavy Duty Power Connectors MultiCat Vert Header 4 Circ GRY Key B 201842-1041 Molex 135: ¥2,290.5 Non-Stocked	Mfr. Part # 201842-1041 Mouser Part # 538-201842-1041	Molex	Heavy Duty Power Connectors MultiCat Vert Header 4 Circ GRY Key B	Datasheet	Non-Stocked	¥2,290.5 ¥2,170.9 ¥2,132.7 Quote Quote	Min.: 135 Mult.: 135	201842	Connectors		40 A	4 Position	Through Hole	1 kVAC/DC	Polyetherimide (PEI)	Gold	Tin			+ 150 C	MultiCat