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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Part #

Heavy Duty Power Connectors MultiCat Vert Header 3 Circ GRY Key B

201842-1031
Molex
1: $17.21
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

$17.21

$14.70

$13.78

$13.12

View

Min.: 1
Mult.: 1

201842

Headers

40 A

3 Position

Solder

1 kV

Pin (Male)

Polyetherimide (PEI)

Gold

Copper Alloy

MultiCat

Heavy Duty Power Connectors MultiCat Herm BCKSHL 3 Circ 12-18AWG GRY

201844-0131
Molex
1: $3.62
2,060In 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

2,060In Stock

$3.62

$3.08

$2.75

$2.62

View

Min.: 1
Mult.: 1

201844

Accessories

Backshell

3 Position

Polyetherimide (PEI)

12 AWG

18 AWG

MultiCat

Heavy Duty Power Connectors MultiCat Inline Rcpt Hsg 4Ckt Key B Gry

201841-0041
Molex
1: $12.98
354In 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

354In Stock

$12.98

$11.03

$10.34

$9.85

View

Min.: 1
Mult.: 1

201841

Housings

4 Position

Crimp

Polyetherimide (PEI)

MultiCat

Heavy Duty Power Connectors MultiCat Inline Rcpt Hsg 3Ckt Key B Gry

201841-0031
Molex
1: $11.12
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

$11.12

$9.46

$8.87

$8.44

View

Min.: 1
Mult.: 1

201841

Housings

3 Position

Crimp

Polyetherimide (PEI)

MultiCat

Heavy Duty Power Connectors MultiCat Herm BCKSHL 4 Circ 12-18AWG BLK

201844-0140
Molex
2: $3.51
1,878In 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

Datasheet

1,878In Stock

$3.51

$2.79

$2.66

$2.41

View

Min.: 2
Mult.: 2

201844

Accessories

Backshell

4 Position

Polyetherimide (PEI)

18 AWG

12 AWG

MultiCat

Heavy Duty Power Connectors MultiCat Inline Plg Hsg 4Ckt Key A Blk

201840-0040
Molex
1: $10.67
1,112In Stock
1,200Expected 27/07/2026

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

Datasheet

1,112In Stock

1,200Expected 27/07/2026

$10.67

$8.10

$7.79

$7.55

View

Min.: 1
Mult.: 1

201840

Housings

4 Position

Crimp

Polyetherimide (PEI)

MultiCat

Heavy Duty Power Connectors MultiCat Herm BCKSHL 4 Circ 8-10AWG BLK

201844-0040
Molex
1: $3.50
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

Datasheet

520In Stock

$3.50

$2.98

$2.66

$2.53

View

Min.: 1
Mult.: 1

201844

Accessories

Backshell

4 Position

Polyetherimide (PEI)

10 AWG

8 AWG

MultiCat

Heavy Duty Power Connectors MultiCat Inline Plg Hsg 3Ckt Key A Blk

201840-0030
Molex
1: $7.84
5,766In 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

Datasheet

5,766In Stock

$7.84

$6.59

$6.31

$6.12

View

Min.: 1
Mult.: 1

201840

Housings

3 Position

Crimp

Polyetherimide (PEI)

MultiCat

Heavy Duty Power Connectors MultiCat Inline Rcpt w/CPA 4P Key A BLK

201841-0140
Molex
1: $14.15
279In Stock

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

Datasheet

279In Stock

$14.15

$12.41

$11.88

$11.33

View

Min.: 1
Mult.: 1

201841

Housings

4 Position

Crimp

Polyetherimide (PEI)

MultiCat

Heavy Duty Power Connectors MultiCat Inline Plg Hsg 3Ckt Key B Gry

201840-0031
Molex
1: $8.99
1,466In 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

1,466In Stock

$8.99

$8.15

$7.76

$7.55

View

Min.: 1
Mult.: 1

201840

Housings

3 Position

Crimp

Polyetherimide (PEI)

MultiCat

Heavy Duty Power Connectors MultiCat Inline Plg Hsg 4Ckt Key B Gry

201840-0041
Molex
1: $11.83
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

$11.83

$10.05

$9.42

$8.98

View

Min.: 1
Mult.: 1

201840

Housings

4 Position

Crimp

Polyetherimide (PEI)

MultiCat

Heavy Duty Power Connectors MultiCat Inline Rcpt Hsg 3Ckt Key A Blk

201841-0030
Molex
1: $8.20
1,423In Stock

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

Datasheet

1,423In Stock

$8.20

$7.26

$7.19

$6.93

View

Min.: 1
Mult.: 1

201841

Housings

3 Position

Crimp

Polyetherimide (PEI)

MultiCat

Heavy Duty Power Connectors MultiCat Inline Rcpt w/CPA 3P Key B GRY

201841-0131
Molex
1: $12.56
258In Stock
2,304Expected 05/08/2026

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

258In Stock

2,304Expected 05/08/2026

$12.56

$10.68

$10.01

$9.81

View

Min.: 1
Mult.: 1

201841

Housings

3 Position

Crimp

Polyetherimide (PEI)

MultiCat

Heavy Duty Power Connectors MultiCat Inline Rcpt w/CPA 4P Key B GRY

201841-0141
Molex
1: $14.49
705In Stock
1,152Expected 10/07/2026

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

705In Stock

1,152Expected 10/07/2026

$14.49

$12.32

$11.55

$11.00

View

Min.: 1
Mult.: 1

201841

Housings

4 Position

Crimp

Polyetherimide (PEI)

MultiCat

Heavy Duty Power Connectors MultiCat Vert Header 3 Circ BLK Key A

201842-1030
Molex
1: $14.13
336In Stock
405Expected 09/10/2026

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

Datasheet

336In Stock

405Expected 09/10/2026

$14.13

$11.51

$11.05

$10.66

View

Min.: 1
Mult.: 1

201842

Headers

40 A

3 Position

Solder

1 kV

Pin (Male)

Polyetherimide (PEI)

Gold

Copper Alloy

MultiCat

Heavy Duty Power Connectors MultiCat Vert Header 4 Circ BLK Key A

201842-1040
Molex
1: $17.06
283In Stock

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

Datasheet

283In Stock

$17.06

$14.84

$14.05

$13.68

View

Min.: 1
Mult.: 1

201842

Headers

40 A

4 Position

Solder

1 kV

Pin (Male)

Polyetherimide (PEI)

Gold

Copper Alloy

MultiCat

Heavy Duty Power Connectors MultiCat R/A Header 3 Circ BLK Key A

201843-1030
Molex
1: $19.15
463In Stock
540Expected 27/07/2026

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

Datasheet

463In Stock

540Expected 27/07/2026

$19.15

$16.28

$15.18

$14.45

View

Min.: 1
Mult.: 1

201843

Headers

40 A

3 Position

Solder

1 kV

Pin (Male)

Polyetherimide (PEI)

Gold

Copper Alloy

MultiCat

Heavy Duty Power Connectors MultiCat R/A Header 4 Circ GRY Key B

201843-1041
Molex
1: $26.51
136In Stock

Mfr. Part No.
201843-1041

Mouser Part No
538-201843-1041

Molex

Heavy Duty Power Connectors MultiCat R/A Header 4 Circ GRY Key B

Datasheet

136In Stock

$26.51

$22.54

$21.13

$20.12

View

Min.: 1
Mult.: 1

201843

Headers

40 A

4 Position

Solder

1 kV

Pin (Male)

Polyetherimide (PEI)

Gold

Copper Alloy

MultiCat

Heavy Duty Power Connectors MultiCat Herm BCKSHL 3 Circ 8-10AWG GRY

201844-0031
Molex
1: $3.52
762In Stock

Mfr. Part No.
201844-0031

Mouser Part No
538-201844-0031

Molex

Heavy Duty Power Connectors MultiCat Herm BCKSHL 3 Circ 8-10AWG GRY

Datasheet

762In Stock

$3.52

$3.06

$2.73

$2.60

View

Min.: 1
Mult.: 1

201844

Accessories

Backshell

3 Position

Polyetherimide (PEI)

8 AWG

10 AWG

MultiCat

Heavy Duty Power Connectors MultiCat Herm BCKSHL 3 Circ 12-18AWG BLK

201844-0130
Molex
1: $2.75
2,517In Stock
11,000On Order

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

Datasheet

2,517In Stock

11,000On Order

$2.75

$2.45

$2.07

$1.98

View

Min.: 1
Mult.: 1

201844

Accessories

Backshell

3 Position

Polyetherimide (PEI)

18 AWG

12 AWG

MultiCat

Heavy Duty Power Connectors MultiCat Plug Terminal 10-12 AWG

201845-0030
Molex
1: $5.11
680In Stock

Mfr. Part No.
201845-0030

Mouser Part No
538-201845-0030

Molex

Heavy Duty Power Connectors MultiCat Plug Terminal 10-12 AWG

Learn More

Datasheet

680In Stock

$5.11

$4.65

$4.40

$4.30

View

Min.: 1
Mult.: 1

201845

Contacts

30 A

Crimp

1 kVAC

Pin (Male)

Gold

Copper Alloy

12 AWG

10 AWG

MultiCat

Heavy Duty Power Connectors MultiCat Circular Plug Hsg 3Ckt Blk

200914-0003
Molex
1: $3.55
202In Stock
2,000Expected 05/08/2026

Mfr. Part No.
200914-0003

Mouser Part No
538-200914-0003

Molex

Heavy Duty Power Connectors MultiCat Circular Plug Hsg 3Ckt Blk

Learn More

Datasheet

202In Stock

2,000Expected 05/08/2026

$3.55

$3.02

$2.70

$2.41

View

Min.: 1
Mult.: 1

200914

Housings

3 Position

Crimp

Polyetherimide (PEI)

MultiCat

Heavy Duty Power Connectors MultiCat Inline Rcpt Hsg 4Ckt Key A Blk

201841-0040
Molex
1: $11.91
98In Stock

Mfr. Part No.
201841-0040

Mouser Part No
538-201841-0040

Molex

Heavy Duty Power Connectors MultiCat Inline Rcpt Hsg 4Ckt Key A Blk

Datasheet

98In Stock

$11.91

$10.13

$9.49

$9.04

View

Min.: 1
Mult.: 1

201841

Housings

4 Position

Crimp

Polyetherimide (PEI)

MultiCat

Heavy Duty Power Connectors MultiCat Inline Rcpt w/CPA 3P Key A BLK

201841-0130
Molex
1: $9.39
20In Stock
3,840Expected 08/10/2026

Mfr. Part No.
201841-0130

Mouser Part No
538-201841-0130

Molex

Heavy Duty Power Connectors MultiCat Inline Rcpt w/CPA 3P Key A BLK

Learn More

Datasheet

20In Stock

3,840Expected 08/10/2026

$9.39

$8.52

$8.27

$8.05

View

Min.: 1
Mult.: 1

201841

Housings

3 Position

Crimp

Polyetherimide (PEI)

MultiCat

Heavy Duty Power Connectors MultiCat Herm BCKSHL 3 Circ 8-10AWG BLK

201844-0030
Molex
1: $2.61
833In 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

Datasheet

833In Stock

$2.61

$2.32

$1.96

$1.87

View

Min.: 1
Mult.: 1

201844

Accessories

Backshell

3 Position

Polyetherimide (PEI)

10 AWG

8 AWG

MultiCat

MultiCat High-Power Connector System

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