Circular Metric Connectors

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M12 B-Code Circular Metric Connectors

Amphenol LTW M12 B-Code Circular Metric Connectors offer 2 to 8 pins and feature a screw-thread mating style with complete 360° shielding. Compliant with IEC 61076-2-101, these connectors ensure industry-wide connector compatibility. Key features include a vibration-proof, corrosion-resistant design and a waterproof IP67/IP68/IP69K protection rating. Amphenol LTW M12 B-Code Circular Metric Connectors are suitable for wet and harsh environments, such as surveillance systems, mass rapid transit/railways, industrial automation, and broadband wireless access.

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Part #

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 03 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

M12B-03BFFA-SL8001
Amphenol LTW
1: 8,14 €
8In Stock

Mfr. Part No.
M12B-03BFFA-SL8001

Mouser Part No
523-M12B03BFFASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 03 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

8In Stock

8,14 €

7,33 €

6,91 €

6,73 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

B Coded

4 A

250 V

IP68

M12 B Code

Bulk

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 03 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

M12B-03BMMA-SL8001
Amphenol LTW
1: 7,71 €
4In Stock

Mfr. Part No.
M12B-03BMMA-SL8001

Mouser Part No
523-M12B03BMMASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 03 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

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Datasheet

4In Stock

7,71 €

6,93 €

6,54 €

6,36 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

B Coded

4 A

250 V

IP68

M12 B Code

Bulk

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 04 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

M12B-04BMMA-SL8001
Amphenol LTW
1: 8,07 €
1In Stock

Mfr. Part No.
M12B-04BMMA-SL8001

Mouser Part No
523-M12B04BMMASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 04 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

1In Stock

8,07 €

7,26 €

6,84 €

6,67 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

B Coded

M12 B Code

Bulk

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

M12B-05BMMA-SL8001
Amphenol LTW
1: 8,22 €
10In Stock

Mfr. Part No.
M12B-05BMMA-SL8001

Mouser Part No
523-M12B05BMMASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

10In Stock

8,22 €

7,40 €

6,97 €

6,79 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

B Coded

M12 B Code

Bulk

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Screw-in, Field Installable, F4.0 - F8.0mm, IP67 Mated

M12B-05BMMB-SL7001
Amphenol LTW
1: 9,04 €
9In Stock
20Expected 16/04/2026

Mfr. Part No.
M12B-05BMMB-SL7001

Mouser Part No
523-M12B05BMMBSL7001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Screw-in, Field Installable, F4.0 - F8.0mm, IP67 Mated

Learn More

Datasheet

9In Stock

20Expected 16/04/2026

9,04 €

8,14 €

7,67 €

7,47 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, PG9, Screw Thread, PCB 180 , Receptacle, Front Fastened, Panel Thickness 4.5, IP68 / IP69K

MSBS-05PFFP-SF8001
Amphenol LTW
1: 7,80 €
14In Stock

Mfr. Part No.
MSBS-05PFFP-SF8001

Mouser Part No
523-MSBS05PFFPSF8001

Amphenol LTW

Learn More

Datasheet

14In Stock

7,80 €

7,03 €

6,61 €

6,45 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, M16*1.5, Screw Thread, PCB 180 , Receptacle, Front Fastened, IP68 / IP69K

MSBS-05PFFP-SF8002
Amphenol LTW
1: 7,92 €
9In Stock

Mfr. Part No.
MSBS-05PFFP-SF8002

Mouser Part No
523-MSBS05PFFPSF8002

Amphenol LTW

Learn More

Datasheet

9In Stock

7,92 €

7,13 €

6,72 €

6,54 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Hexagonal, PG9, Screw Thread, PCB 180 , Receptacle, Front Fastened, Panel Thickness 4.5, IP68 / IP69K

MSBS-05PMMP-SF8001
Amphenol LTW
1: 6,97 €
1In Stock

Mfr. Part No.
MSBS-05PMMP-SF8001

Mouser Part No
523-MSBS05PMMPSF8001

Amphenol LTW

Learn More

Datasheet

1In Stock

6,97 €

6,31 €

5,96 €

5,81 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Hexagonal, M16*1.5, Screw Thread, PCB 180 , Receptacle, Front Fastened, Panel Thickness 4.5, IP68 / IP69K

MSBS-05PMMP-SF8002
Amphenol LTW
1: 7,24 €
10In Stock

Mfr. Part No.
MSBS-05PMMP-SF8002

Mouser Part No
523-MSBS05PMMPSF8002

Amphenol LTW

Learn More

Datasheet

10In Stock

7,24 €

6,55 €

6,19 €

6,04 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 04 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

M12B-04BFFA-SL8001
Amphenol LTW
1: 8,84 €
50Expected 17/03/2026

Mfr. Part No.
M12B-04BFFA-SL8001

Mouser Part No
523-M12B04BFFASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 04 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

50Expected 17/03/2026

8,84 €

7,51 €

7,31 €

7,12 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

B Coded

4 A

250 V

IP68

M12 B Code

Bulk

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Screw-in, Field Installable, F4.0 - F8.0mm, IP67 Mated

M12B-05BFFB-SL7001
Amphenol LTW
1: 9,56 €
9Expected 20/02/2026

Mfr. Part No.
M12B-05BFFB-SL7001

Mouser Part No
523-M12B05BFFBSL7001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Screw-in, Field Installable, F4.0 - F8.0mm, IP67 Mated

Learn More

Datasheet

9Expected 20/02/2026

9,56 €

8,61 €

8,11 €

7,90 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Hexagonal, M12*1.0, Screw Thread, PCB 90 , Receptacle, Front Fastened, IP67 Mated

MSBS-05PMMR-SF7003
Amphenol LTW
1: 7,98 €
10Expected 31/03/2026

Mfr. Part No.
MSBS-05PMMR-SF7003

Mouser Part No
523-MSBS05PMMRSF7003

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Hexagonal, M12*1.0, Screw Thread, PCB 90 , Receptacle, Front Fastened, IP67 Mated

Learn More

Datasheet

10Expected 31/03/2026

7,98 €

7,19 €

6,77 €

6,60 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

5 Contact

M12

Through Hole

B Coded

4 A

60 V

IP67

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Male Connector, Male Contact, SMT 180

MSBS-05PMMT-EE0001
Amphenol LTW
1: 5,54 €
10Expected 31/03/2026

Mfr. Part No.
MSBS-05PMMT-EE0001

Mouser Part No
523-MSBS05PMMTEE8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Male Connector, Male Contact, SMT 180

Learn More

Datasheet

10Expected 31/03/2026

5,54 €

5,01 €

4,73 €

4,62 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

B Coded

4 A

60 V

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

MSBP-05BFFA-SL8001
Amphenol LTW
1: 8,58 €
10Expected 08/04/2026

Mfr. Part No.
MSBP-05BFFA-SL8001

Mouser Part No
523-SBP05BFFASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

10Expected 08/04/2026

8,58 €

7,72 €

7,28 €

7,10 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

5 Contact

M12

Solder

B Coded

4 A

60 V

IP68

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

M12B-05BFFA-SL8001
Amphenol LTW
1: 9,12 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
M12B-05BFFA-SL8001

Mouser Part No
523-M12B05BFFASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

9,12 €

8,21 €

7,73 €

7,53 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

B Coded

4 A

60 V

IP68

M12 B Code

Bulk

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP67 Mated

M12B-05BFFA-SR7001
Amphenol LTW
1: 8,72 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
M12B-05BFFA-SR7001

Mouser Part No
523-M12B05BFFASR7001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP67 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

8,72 €

7,85 €

7,40 €

7,21 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Screw-in, Field Installable, F4.0 - F8.0mm, IP67 Mated

M12B-05BFFB-SR7001
Amphenol LTW
1: 9,66 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
M12B-05BFFB-SR7001

Mouser Part No
523-M12B05BFFBSR7001

Amphenol LTW

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

9,66 €

8,69 €

8,20 €

7,98 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP67 Mated

M12B-05BMMA-SR7001
Amphenol LTW
1: 8,28 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
M12B-05BMMA-SR7001

Mouser Part No
523-M12B05BMMASR7001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP67 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

8,28 €

7,46 €

7,03 €

6,85 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Screw-in, Field Installable, F4.0 - F8.0mm, IP67 Mated

M12B-05BMMB-SR7001
Amphenol LTW
1: 9,16 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
M12B-05BMMB-SR7001

Mouser Part No
523-M12B05BMMBSR7001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Screw-in, Field Installable, F4.0 - F8.0mm, IP67 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

9,16 €

8,25 €

7,77 €

7,57 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 03 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

MSBP-03BFFA-SL8001
Amphenol LTW
1: 7,60 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
MSBP-03BFFA-SL8001

Mouser Part No
523-MSBP03BFFASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 03 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

7,60 €

6,85 €

6,45 €

6,29 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 03 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

MSBP-03BMMA-SL8001
Amphenol LTW
1: 7,24 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
MSBP-03BMMA-SL8001

Mouser Part No
523-MSBP03BMMASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 03 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

7,24 €

6,52 €

6,14 €

5,99 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 04 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

MSBP-04BFFA-SL8001
Amphenol LTW
1: 8,10 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
MSBP-04BFFA-SL8001

Mouser Part No
523-MSBP04BFFASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 04 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

8,10 €

7,29 €

6,87 €

6,69 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 04 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

MSBP-04BMMA-SL8001
Amphenol LTW
1: 7,59 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
MSBP-04BMMA-SL8001

Mouser Part No
523-MSBP04BMMASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 04 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

7,59 €

6,83 €

6,43 €

6,27 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

4 Contact

M12

Solder

B Coded

4 A

250 V

IP68

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP67 Mated

MSBP-05BFFA-SR7001
Amphenol LTW
1: 7,36 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
MSBP-05BFFA-SR7001

Mouser Part No
523-MSBP05BFFASR7001

Amphenol LTW

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

7,36 €

6,63 €

6,24 €

6,08 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

MSBP-05BMMA-SL8001
Amphenol LTW
1: 7,77 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
MSBP-05BMMA-SL8001

Mouser Part No
523-MSBP05BMMASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

7,77 €

6,99 €

6,59 €

6,42 €

View

Min.: 1
Mult.: 1

Circular Metric Connectors

M12 B Code

M12 B-Code Circular Metric Connectors

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