Heavy Duty Power Connectors – Mouser Singapore

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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 (SGD) 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: $14.09 2,220In Stock	Mfr. Part No. 201840-0040 Mouser Part No 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	2,220In Stock	$14.09 $11.98 $11.23 $10.69 View $10.19 $9.55 $9.10 $8.54 Quote	Min.: 1 Mult.: 1	201840	Connectors			4 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Receptacle Terminal 16-18 AWG 201846-0010 Molex 1: $6.84 4,768In Stock	Mfr. Part No. 201846-0010 Mouser Part No 538-201846-0010	Molex	Heavy Duty Power Connectors MultiCat Receptacle Terminal 16-18 AWG Learn More about Molex multicat power connector system	Datasheet	4,768In Stock	$6.84 $5.82 $5.45 $5.20 View $4.95 $4.64 $4.23 $3.84 $3.69	Min.: 1 Mult.: 1	201846	Contacts		16 A		Crimp	1 kVAC		Gold	Copper Alloy	18 AWG	16 AWG		MultiCat
Heavy Duty Power Connectors MultiCat Vert Header 3 Circ GRY Key B 201842-1031 Molex 1: $22.89 131In Stock	Mfr. Part No. 201842-1031 Mouser Part No 538-201842-1031	Molex	Heavy Duty Power Connectors MultiCat Vert Header 3 Circ GRY Key B	Datasheet	131In Stock	$22.89 $19.46 $19.23 $18.94 View $15.08 $14.72 $14.32	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 4 Circ 12-18AWG BLK 201844-0140 Molex 2: $4.77 1,872In Stock	Mfr. Part No. 201844-0140 Mouser Part No 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	$4.77 $4.05 $3.62 $3.28 View $3.11 $2.92 $2.71 $2.57 $2.52	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: $5.13 1,960In Stock	Mfr. Part No. 201844-0131 Mouser Part No 538-201844-0131	Molex	Heavy Duty Power Connectors MultiCat Herm BCKSHL 3 Circ 12-18AWG GRY	Datasheet	1,960In Stock	$5.13 $4.35 $3.89 $3.70 View $3.47 $3.30 $2.88 $2.79 $2.72	Min.: 1 Mult.: 1	201844	Accessories	Backshell		3 Position			Polyetherimide (PEI)			12 AWG	18 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Inline Rcpt Hsg 3Ckt Key B Gry 201841-0031 Molex 1: $14.70 689In Stock	Mfr. Part No. 201841-0031 Mouser Part No 538-201841-0031	Molex	Heavy Duty Power Connectors MultiCat Inline Rcpt Hsg 3Ckt Key B Gry	Datasheet	689In Stock	$14.70 $12.50 $11.71 $11.15 View $10.62 $9.96 $9.21 $8.74	Min.: 1 Mult.: 1	201841	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Herm BCKSHL 3 Circ 8-10AWG BLK 201844-0030 Molex 1: $2.87 830In Stock	Mfr. Part No. 201844-0030 Mouser Part No 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	830In Stock	$2.87 $2.56 $2.20 $2.18 View $2.16 $1.90 $1.86	Min.: 1 Mult.: 1	201844	Accessories	Backshell		3 Position			Polyetherimide (PEI)			10 AWG	8 AWG	+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Herm BCKSHL 4 Circ 8-10AWG BLK 201844-0040 Molex 1: $4.76 520In Stock	Mfr. Part No. 201844-0040 Mouser Part No 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	520In Stock	$4.76 $4.05 $3.62 $3.44 View $3.22 $2.94 $2.68 $2.54 $2.50	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: $10.50 4,892In Stock	Mfr. Part No. 201840-0030 Mouser Part No 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	4,892In Stock	$10.50 $8.85 $8.49 $8.23 View $7.97 $7.34 $7.15 $6.95 $6.94	Min.: 1 Mult.: 1	201840	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Inline Rcpt w/CPA 4P Key B GRY 201841-0141 Molex 1: $18.20 1,822In Stock	Mfr. Part No. 201841-0141 Mouser Part No 538-201841-0141	Molex	Heavy Duty Power Connectors MultiCat Inline Rcpt w/CPA 4P Key B GRY	Datasheet	1,822In Stock	$18.20 $16.28 $15.26 $14.52 View $13.83 $12.58 $12.57 $12.19 Quote	Min.: 1 Mult.: 1	201841	Connectors			4 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Plug Terminal 16-18 AWG 201845-0010 Molex 1: $6.07 6,328In Stock 9,000Expected 9/10/2026	Mfr. Part No. 201845-0010 Mouser Part No 538-201845-0010	Molex	Heavy Duty Power Connectors MultiCat Plug Terminal 16-18 AWG Learn More about Molex multicat power connector system	Datasheet	6,328In Stock 9,000Expected 9/10/2026	$6.07 $5.17 $4.61 $4.39 View $4.12 $3.74 $3.56 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: $4.88 1,600In Stock	Mfr. Part No. 200914-0003 Mouser Part No 538-200914-0003	Molex	Heavy Duty Power Connectors MultiCat Circular Plug Hsg 3Ckt Blk Learn More about Molex multicat power connector system	Datasheet	1,600In Stock	$4.88 $4.15 $3.71 $3.54 View $3.30 $3.16 $3.01 $2.71 $2.64	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: $12.10 1,346In Stock	Mfr. Part No. 201840-0031 Mouser Part No 538-201840-0031	Molex	Heavy Duty Power Connectors MultiCat Inline Plg Hsg 3Ckt Key B Gry	Datasheet	1,346In Stock	$12.10 $10.98 $10.47 $10.17 View $9.76 $8.85 $8.43 $8.20 $8.05	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: $15.63 571In Stock	Mfr. Part No. 201840-0041 Mouser Part No 538-201840-0041	Molex	Heavy Duty Power Connectors MultiCat Inline Plg Hsg 4Ckt Key B Gry	Datasheet	571In Stock	$15.63 $13.29 $12.46 $11.86 View $11.29 $10.44 $9.96 $9.48 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: $12.40 469In Stock 1,536Expected 29/12/2026	Mfr. Part No. 201841-0030 Mouser Part No 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	469In Stock 1,536Expected 29/12/2026	$12.40 $10.77 $10.10 $9.62 View $9.17 $8.58 $7.93 $7.55	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: $17.14 270In Stock	Mfr. Part No. 201841-0041 Mouser Part No 538-201841-0041	Molex	Heavy Duty Power Connectors MultiCat Inline Rcpt Hsg 4Ckt Key B Gry	Datasheet	270In Stock	$17.14 $14.57 $13.65 $13.00 View $12.38 $11.07 $10.28 $9.94 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: $16.05 1,734In Stock 768Expected 1/10/2026	Mfr. Part No. 201841-0131 Mouser Part No 538-201841-0131	Molex	Heavy Duty Power Connectors MultiCat Inline Rcpt w/CPA 3P Key B GRY	Datasheet	1,734In Stock 768Expected 1/10/2026	$16.05 $14.12 $13.23 $12.59 View $12.00 $11.25 $10.39 $10.38 Quote	Min.: 1 Mult.: 1	201841	Connectors			3 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat Inline Rcpt w/CPA 4P Key A BLK 201841-0140 Molex 1: $19.23 169In Stock 384Expected 5/11/2026	Mfr. Part No. 201841-0140 Mouser Part No 538-201841-0140	Molex	Heavy Duty Power Connectors MultiCat Inline Rcpt w/CPA 4P Key A BLK Learn More about Molex multicat power connector system	Datasheet	169In Stock 384Expected 5/11/2026	$19.23 $16.88 $16.16 $15.41 View $14.20 $12.05 $11.45 $11.14	Min.: 1 Mult.: 1	201841	Connectors			4 Position	Crimp		Polyetherimide (PEI)					+ 150 C	MultiCat
Heavy Duty Power Connectors MultiCat R/A Header 3 Circ BLK Key A 201843-1030 Molex 1: $25.30 609In Stock	Mfr. Part No. 201843-1030 Mouser Part No 538-201843-1030	Molex	Heavy Duty Power Connectors MultiCat R/A Header 3 Circ BLK Key A Learn More about Molex multicat power connector system	Datasheet	609In Stock	$25.30 $23.83 $20.06 $18.18 View $17.84 $17.03 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 Herm BCKSHL 4 Circ 8-10AWG GRY 201844-0041 Molex 1: $6.54 698In Stock	Mfr. Part No. 201844-0041 Mouser Part No 538-201844-0041	Molex	Heavy Duty Power Connectors MultiCat Herm BCKSHL 4 Circ 8-10AWG GRY	Datasheet	698In Stock	$6.54 $5.96 $5.64 $5.25 View $4.60 $4.46 $3.47 $3.39 Quote	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: $3.74 6,961In Stock 6,000Expected 3/12/2026	Mfr. Part No. 201844-0130 Mouser Part No 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	6,961In Stock 6,000Expected 3/12/2026	$3.74 $3.33 $2.98 $2.84 View $2.67 $2.53 $2.45 $2.18 $2.12	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: $7.37 1,775In Stock 3,500On Order	Mfr. Part No. 201845-0040 Mouser Part No 538-201845-0040	Molex	Heavy Duty Power Connectors MultiCat Plug Terminal 8-10 AWG Learn More about Molex multicat power connector system	Datasheet	1,775In Stock 3,500On Order On Order Ship Dates Mfr. No: 201845-0040 Stock: 1,775 Can Dispatch Immediately On Order: 1,000 Expected 8/10/2026 2,500 Expected 18/1/2027 Factory Lead Time: 23 Weeks	$7.37 $6.27 $5.88 $5.59 View $5.33 $4.94 $4.92 $4.52 $4.23	Min.: 1 Mult.: 1	201845	Contacts		40 A		Crimp	1 kVAC		Gold	Copper Alloy	10 AWG	8 AWG		MultiCat
Heavy Duty Power Connectors MultiCat Circular Rcpt Hsg 3Ckt Blk 200915-0003 Molex 1: $5.02 536In Stock 1,536Expected 5/11/2026	Mfr. Part No. 200915-0003 Mouser Part No 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 5/11/2026	$5.02 $4.27 $3.81 $3.63 View $3.40 $3.24 $3.09 $2.72	Min.: 1 Mult.: 1	200915	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: $18.99 98In Stock 405Expected 9/10/2026	Mfr. Part No. 201842-1030 Mouser Part No 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	98In Stock 405Expected 9/10/2026	$18.99 $17.87 $15.67 $15.63 View $14.21 $14.20 $12.72 $12.10	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 Vert Header 4 Circ BLK Key A 201842-1040 Molex 1: $22.24 64In Stock 270Expected 21/10/2026	Mfr. Part No. 201842-1040 Mouser Part No 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	64In Stock 270Expected 21/10/2026	$22.24 $20.81 $18.36 $18.13 $16.52	Min.: 1 Mult.: 1	201842	Connectors		40 A	4 Position	Solder	1 kV	Polyetherimide (PEI)	Gold	Copper Alloy			+ 150 C	MultiCat

MultiCat High-Power Connector System

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