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 Inline Plg Hsg 4Ckt Key A Blk

201840-0040
Molex
1: $10.67
1,122In 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

1,122In Stock

1,200Expected 27/07/2026

$10.67

$9.07

$8.50

$8.10

View

Min.: 1
Mult.: 1

201840

Housings

4 Position

Crimp

Polyetherimide (PEI)

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
358In 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

358In 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 Vert Header 3 Circ BLK Key A

201842-1030
Molex
1: $11.19
639In Stock

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

639In Stock

$11.19

$10.04

$9.67

$9.40

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 3 Circ GRY Key B

201842-1031
Molex
1: $17.21
151In 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

151In Stock

$17.21

$14.73

$13.81

$13.15

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 4 Circ 12-18AWG BLK

201844-0140
Molex
2: $3.51
1,892In 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

1,892In Stock

$3.51

$2.98

$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 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: $6.81
2,999In Stock
3,200Expected 27/05/2026

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

2,999In Stock

3,200Expected 27/05/2026

$6.81

$6.22

$5.98

$5.84

View

Min.: 1
Mult.: 1

201840

Housings

3 Position

Crimp

Polyetherimide (PEI)

MultiCat

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

201840-0031
Molex
1: $8.99
1,676In 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

1,676In 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
1,433In 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

1,433In Stock

$8.20

$7.60

$7.28

$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 A BLK

201841-0130
Molex
1: $8.60
1,527In Stock
768On Order

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

1,527In Stock

768On Order

$8.60

$8.20

$8.07

$7.93

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: $12.69
530In 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

530In Stock

2,304Expected 05/08/2026

$12.69

$11.25

$10.81

$10.38

View

Min.: 1
Mult.: 1

201841

Housings

3 Position

Crimp

Polyetherimide (PEI)

MultiCat

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

201842-1040
Molex
1: $18.76
158In Stock
135Expected 20/05/2026

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

Datasheet

158In Stock

135Expected 20/05/2026

$18.76

$15.95

$14.87

$14.16

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 Herm BCKSHL 3 Circ 8-10AWG GRY

201844-0031
Molex
1: $3.51
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

$3.51

$3.16

$2.91

$2.74

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: $2.71
3,704In Stock
7,000On 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

3,704In Stock

7,000On Order

$2.71

$2.40

$2.19

$2.09

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: $4.87
760In 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

760In Stock

$4.87

$4.14

$3.88

$3.70

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 Receptacle Terminal 12-14 AWG

201846-0020
Molex
1: $4.88
1,651In Stock
3,500On Order

Mfr. Part No.
201846-0020

Mouser Part No
538-201846-0020

Molex

Heavy Duty Power Connectors MultiCat Receptacle Terminal 12-14 AWG

Learn More

Datasheet

1,651In Stock

3,500On Order

$4.88

$4.56

$4.42

$4.19

View

Min.: 1
Mult.: 1

201846

Contacts

26 A

Crimp

1 kVAC

Socket (Female)

Gold

Copper Alloy

14 AWG

12 AWG

MultiCat

Heavy Duty Power Connectors MultiCat Circular Plug Hsg 3Ckt Blk

200914-0003
Molex
1: $3.55
262In 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

262In Stock

2,000Expected 05/08/2026

$3.55

$3.02

$2.70

$2.57

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: $11.97
108In 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

108In Stock

$11.97

$10.61

$10.21

$9.80

View

Min.: 1
Mult.: 1

201841

Housings

4 Position

Crimp

Polyetherimide (PEI)

MultiCat

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

201843-1041
Molex
1: $26.08
7In Stock
135Expected 27/05/2026

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

7In Stock

135Expected 27/05/2026

$26.08

$22.17

$20.78

$19.79

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 4 Circ 8-10AWG GRY

201844-0041
Molex
1: $4.81
131In Stock
800Expected 27/07/2026

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

131In Stock

800Expected 27/07/2026

$4.81

$4.38

$4.15

$3.86

View

Min.: 1
Mult.: 1

201844

Accessories

Backshell

4 Position

Polyetherimide (PEI)

8 AWG

10 AWG

MultiCat

Heavy Duty Power Connectors MultiCat Plug Terminal 8-10 AWG

201845-0040
Molex
1: $5.02
43In Stock
4,000On 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

Datasheet

43In Stock

4,000On Order

$5.02

$4.75

$4.54

$4.18

View

Min.: 1
Mult.: 1

201845

Contacts

40 A

Crimp

1 kVAC

Pin (Male)

Gold

Copper Alloy

10 AWG

8 AWG

MultiCat

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

201841-0141
Molex
1: $14.49
1,904On Order

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

1,904On Order

$14.49

$12.32

$11.55

$11.00

View

Min.: 1
Mult.: 1

201841

Housings

4 Position

Crimp

Polyetherimide (PEI)

MultiCat

MultiCat High-Power Connector System

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