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 (CAD) 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 Inline Plg Hsg 4Ckt Key A Blk 201840-0040 Molex 1: $14.92 2,175In Stock	Mfr. Part # 201840-0040 Mouser Part # 538-201840-0040	Molex	Heavy Duty Power Connectors MultiCat Inline Plg Hsg 4Ckt Key A Blk Learn More about Molex multicat power connector system	Datasheet	2,175In Stock	$14.92 $12.69 $11.88 $11.32 View $10.79 $10.11 $9.62 $9.20 Quote	Min.: 1 Mult.: 1	201840	Connectors			4 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Vert Header 3 Circ GRY Key B 201842-1031 Molex 1: $24.24 131In Stock	Mfr. Part # 201842-1031 Mouser Part # 538-201842-1031	Molex	Heavy Duty Power Connectors MultiCat Vert Header 3 Circ GRY Key B	Datasheet	131In Stock	$24.24 $20.61 $20.59 $16.06 View $16.04 $15.06 Quote	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 Inline Rcpt Hsg 3Ckt Key B Gry 201841-0031 Molex 1: $15.57 689In Stock	Mfr. Part # 201841-0031 Mouser Part # 538-201841-0031	Molex	Heavy Duty Power Connectors MultiCat Inline Rcpt Hsg 3Ckt Key B Gry	Datasheet	689In Stock	$15.57 $13.23 $12.40 $11.81 View $11.25 $10.54 $9.26 Quote	Min.: 1 Mult.: 1	201841	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Herm BCKSHL 4 Circ 12-18AWG BLK 201844-0140 Molex 2: $5.05 1,872In Stock	Mfr. Part # 201844-0140 Mouser Part # 538-201844-0140	Molex	Heavy Duty Power Connectors MultiCat Herm BCKSHL 4 Circ 12-18AWG BLK Learn More about Molex multicat power connector system	Datasheet	1,872In Stock	$5.05 $4.02 $3.83 $3.47 View $3.30 $2.98 $2.85 $2.78 $2.74	Min.: 2 Mult.: 2	201844	Backshells	Backshell		4 Position			Polyetherimide (PEI)			18 AWG	12 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Herm BCKSHL 3 Circ 12-18AWG GRY 201844-0131 Molex 1: $5.43 1,946In Stock	Mfr. Part # 201844-0131 Mouser Part # 538-201844-0131	Molex	Heavy Duty Power Connectors MultiCat Herm BCKSHL 3 Circ 12-18AWG GRY	Datasheet	1,946In Stock	$5.43 $4.61 $4.12 $3.92 View $3.67 $3.50 $3.01 $2.91 $2.84	Min.: 1 Mult.: 1	201844	Accessories	Backshell		3 Position			Polyetherimide (PEI)			12 AWG	18 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Herm BCKSHL 4 Circ 8-10AWG BLK 201844-0040 Molex 1: $5.18 488In Stock	Mfr. Part # 201844-0040 Mouser Part # 538-201844-0040	Molex	Heavy Duty Power Connectors MultiCat Herm BCKSHL 4 Circ 8-10AWG BLK Learn More about Molex multicat power connector system	Datasheet	488In Stock	$5.18 $4.41 $3.93 $3.74 View $3.51 $3.34 $3.02 $2.88 $2.81	Min.: 1 Mult.: 1	201844	Accessories	Backshell		4 Position			Polyetherimide (PEI)			10 AWG	8 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Inline Plg Hsg 3Ckt Key A Blk 201840-0030 Molex 1: $12.12 3,868In Stock	Mfr. Part # 201840-0030 Mouser Part # 538-201840-0030	Molex	Heavy Duty Power Connectors MultiCat Inline Plg Hsg 3Ckt Key A Blk Learn More about Molex multicat power connector system	Datasheet	3,868In Stock	$12.12 $10.31 $9.66 $9.20 View $8.77 $7.95 $7.57 $7.36 $7.34	Min.: 1 Mult.: 1	201840	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Plug Terminal 16-18 AWG 201845-0010 Molex 1: $6.42 12,234In Stock	Mfr. Part # 201845-0010 Mouser Part # 538-201845-0010	Molex	Heavy Duty Power Connectors MultiCat Plug Terminal 16-18 AWG Learn More about Molex multicat power connector system	Datasheet	12,234In Stock	$6.42 $5.47 $4.88 $4.65 View $4.36 $3.96 $3.77 Quote	Min.: 1 Mult.: 1	201845	Contacts		16 A		Crimp	1 kVAC		Gold	Copper Alloy	18 AWG	16 AWG		MultiCat
Heavy Duty Power Connectors MultiCat Circular Plug Hsg 3Ckt Blk 200914-0003 Molex 1: $5.17 1,588In Stock	Mfr. Part # 200914-0003 Mouser Part # 538-200914-0003	Molex	Heavy Duty Power Connectors MultiCat Circular Plug Hsg 3Ckt Blk Learn More about Molex multicat power connector system	Datasheet	1,588In Stock	$5.17 $4.39 $3.93 $3.74 View $3.50 $3.34 $3.18 $2.89 $2.82	Min.: 1 Mult.: 1	200914	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Inline Plg Hsg 3Ckt Key B Gry 201840-0031 Molex 1: $14.85 1,343In Stock	Mfr. Part # 201840-0031 Mouser Part # 538-201840-0031	Molex	Heavy Duty Power Connectors MultiCat Inline Plg Hsg 3Ckt Key B Gry	Datasheet	1,343In Stock	$14.85 $12.63 $11.84 $11.28 View $10.74 $9.73 $9.27 $9.00	Min.: 1 Mult.: 1	201840	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Inline Plg Hsg 4Ckt Key B Gry 201840-0041 Molex 1: $17.31 556In Stock	Mfr. Part # 201840-0041 Mouser Part # 538-201840-0041	Molex	Heavy Duty Power Connectors MultiCat Inline Plg Hsg 4Ckt Key B Gry	Datasheet	556In Stock	$17.31 $15.35 $14.76 $14.17 View $13.38 $12.20 $11.40 $10.21 Quote	Min.: 1 Mult.: 1	201840	Connectors			4 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Inline Rcpt Hsg 3Ckt Key A Blk 201841-0030 Molex 1: $13.13 375In Stock 1,536Expected 2026-12-31	Mfr. Part # 201841-0030 Mouser Part # 538-201841-0030	Molex	Heavy Duty Power Connectors MultiCat Inline Rcpt Hsg 3Ckt Key A Blk Learn More about Molex multicat power connector system	Datasheet	375In Stock 1,536Expected 2026-12-31	$13.13 $11.40 $10.70 $10.18 View $9.71 $9.09 $8.40 $7.99	Min.: 1 Mult.: 1	201841	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Inline Rcpt Hsg 4Ckt Key B Gry 201841-0041 Molex 1: $18.14 195In Stock	Mfr. Part # 201841-0041 Mouser Part # 538-201841-0041	Molex	Heavy Duty Power Connectors MultiCat Inline Rcpt Hsg 4Ckt Key B Gry	Datasheet	195In Stock	$18.14 $15.42 $14.46 $13.77 View $13.10 $11.72 $10.89 $10.53 Quote	Min.: 1 Mult.: 1	201841	Connectors			4 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Inline Rcpt w/CPA 3P Key B GRY 201841-0131 Molex 1: $18.24 1,656In Stock	Mfr. Part # 201841-0131 Mouser Part # 538-201841-0131	Molex	Heavy Duty Power Connectors MultiCat Inline Rcpt w/CPA 3P Key B GRY	Datasheet	1,656In Stock	$18.24 $15.51 $14.54 $13.85 View $13.19 $12.36 $11.65 Quote	Min.: 1 Mult.: 1	201841	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Vert Header 3 Circ BLK Key A 201842-1030 Molex 1: $20.92 270In Stock 540On Order	Mfr. Part # 201842-1030 Mouser Part # 538-201842-1030	Molex	Heavy Duty Power Connectors MultiCat Vert Header 3 Circ BLK Key A Learn More about Molex multicat power connector system	Datasheet	270In Stock 540On Order On Order Ship Dates Mfr. #: 201842-1030 Stock: 270 Can Ship Immediately On Order: 135 Expected 2026-11-02 405 Expected 2027-01-25 Factory Lead-Time: 16 Weeks	$20.92 $20.89 $16.59 $15.05 View $15.03 $13.46 $12.92	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 Herm BCKSHL 3 Circ 8-10AWG GRY 201844-0031 Molex 1: $5.21 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	$5.21 $4.58 $4.09 $3.89 View $3.64 $3.57 $3.10 $2.92 $2.85	Min.: 1 Mult.: 1	201844	Accessories	Backshell		3 Position			Polyetherimide (PEI)			8 AWG	10 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Herm BCKSHL 4 Circ 8-10AWG GRY 201844-0041 Molex 1: $7.21 666In Stock	Mfr. Part # 201844-0041 Mouser Part # 538-201844-0041	Molex	Heavy Duty Power Connectors MultiCat Herm BCKSHL 4 Circ 8-10AWG GRY	Datasheet	666In Stock	$7.21 $6.57 $6.22 $5.79 View $5.07 $4.51 $3.83 $3.72	Min.: 1 Mult.: 1	201844	Accessories	Backshell		4 Position			Polyetherimide (PEI)			8 AWG	10 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Herm BCKSHL 3 Circ 12-18AWG BLK 201844-0130 Molex 1: $4.23 3,161In Stock 18,000On Order	Mfr. Part # 201844-0130 Mouser Part # 538-201844-0130	Molex	Heavy Duty Power Connectors MultiCat Herm BCKSHL 3 Circ 12-18AWG BLK Learn More about Molex multicat power connector system	Datasheet	3,161In Stock 18,000On Order On Order Ship Dates Mfr. #: 201844-0130 Stock: 3,161 Can Ship Immediately On Order: 6,000 Expected 2026-12-03 12,000 Expected 2027-01-28 Factory Lead-Time: 20 Weeks	$4.23 $3.84 $3.64 $3.40 View $2.97 $2.94 $2.48 $2.39 $2.23	Min.: 1 Mult.: 1	201844	Accessories	Backshell		3 Position			Polyetherimide (PEI)			18 AWG	12 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Plug Terminal 8-10 AWG 201845-0040 Molex 1: $7.80 2,100In Stock 2,500Expected 2027-01-18	Mfr. Part # 201845-0040 Mouser Part # 538-201845-0040	Molex	Heavy Duty Power Connectors MultiCat Plug Terminal 8-10 AWG Learn More about Molex multicat power connector system	Datasheet	2,100In Stock 2,500Expected 2027-01-18	$7.80 $6.64 $6.22 $5.92 View $5.64 $5.23 $5.04 $4.80 $4.78	Min.: 1 Mult.: 1	201845	Contacts		40 A		Crimp	1 kVAC		Gold	Copper Alloy	10 AWG	8 AWG		MultiCat
Heavy Duty Power Connectors MultiCat Receptacle Terminal 16-18 AWG 201846-0010 Molex 1: $7.32 2,949In Stock 2,500Expected 2027-03-25	Mfr. Part # 201846-0010 Mouser Part # 538-201846-0010	Molex	Heavy Duty Power Connectors MultiCat Receptacle Terminal 16-18 AWG Learn More about Molex multicat power connector system	Datasheet	2,949In Stock 2,500Expected 2027-03-25	$7.32 $6.93 $6.22 $6.06 View $5.82 $5.79 $4.90 $4.59	Min.: 1 Mult.: 1	201846	Contacts		16 A		Crimp	1 kVAC		Gold	Copper Alloy	18 AWG	16 AWG		MultiCat
Heavy Duty Power Connectors MultiCat Circular Rcpt Hsg 3Ckt Blk 200915-0003 Molex 1: $5.31 536In Stock 1,536Expected 2026-11-05	Mfr. Part # 200915-0003 Mouser Part # 538-200915-0003	Molex	Heavy Duty Power Connectors MultiCat Circular Rcpt Hsg 3Ckt Blk Learn More about Molex multicat power connector system	Datasheet	536In Stock 1,536Expected 2026-11-05	$5.31 $4.52 $4.03 $3.84 View $3.60 $3.43 $3.27 $2.88	Min.: 1 Mult.: 1	200915	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Vert Header 4 Circ BLK Key A 201842-1040 Molex 1: $24.85 101In Stock 270Expected 2026-10-21	Mfr. Part # 201842-1040 Mouser Part # 538-201842-1040	Molex	Heavy Duty Power Connectors MultiCat Vert Header 4 Circ BLK Key A Learn More about Molex multicat power connector system	Datasheet	101In Stock 270Expected 2026-10-21	$24.85 $23.13 $19.70 $18.75 View $17.86 $16.69	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 R/A Header 4 Circ GRY Key B 201843-1041 Molex 1: $37.08 60In Stock 405Expected 2026-11-02	Mfr. Part # 201843-1041 Mouser Part # 538-201843-1041	Molex	Heavy Duty Power Connectors MultiCat R/A Header 4 Circ GRY Key B	Datasheet	60In Stock 405Expected 2026-11-02	$37.08 $33.02 $32.16 $26.24 View $25.83 $23.79	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 BLK 201844-0030 Molex 1: $4.19 640In Stock	Mfr. Part # 201844-0030 Mouser Part # 538-201844-0030	Molex	Heavy Duty Power Connectors MultiCat Herm BCKSHL 3 Circ 8-10AWG BLK Learn More about Molex multicat power connector system	Datasheet	640In Stock	$4.19 $3.57 $3.18 $3.04 View $2.85 $2.71 $2.55 $2.23 $2.17	Min.: 1 Mult.: 1	201844	Accessories	Backshell		3 Position			Polyetherimide (PEI)			10 AWG	8 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Plug Terminal 10-12 AWG 201845-0030 Molex 1: $8.22 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 2026-12-08 1,000 Expected 2027-01-18 Factory Lead-Time: 23 Weeks	$8.22 $7.49 $7.08 $6.93 View $6.60 $6.12 $5.18 $4.77 $4.44	Min.: 1 Mult.: 1	201845	Contacts		30 A		Crimp	1 kVAC		Gold	Copper Alloy	12 AWG	10 AWG		MultiCat

MultiCat High-Power Connector System

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