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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 #

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 500mm, IP68 / IP69K

M12B05ML-12BML-SDA05
Amphenol LTW
1: £11.03
12In Stock

Mfr. Part No.
M12B05ML-12BML-SDA05

Mouser Part No
523-M12B05MLBMLSDA05

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 500mm, IP68 / IP69K

Datasheet

12In Stock

£11.03

£9.79

£9.41

£9.04

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, Screw Thread, Crimp, Receptacle With Cable/Wire, Length 150mm, IP68 / IP69K

M12B-05PFFC-SH8C15
Amphenol LTW
1: £8.03
6In Stock

Mfr. Part No.
M12B-05PFFC-SH8C15

Mouser Part No
523-M12B05PFFCSH8C15

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, Screw Thread, Crimp, Receptacle With Cable/Wire, Length 150mm, IP68 / IP69K

Datasheet

6In Stock

£8.03

£7.23

£6.81

£6.63

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, Screw Thread, Crimp, Receptacle With Cable/Wire, Length 500mm, IP68 / IP69K

M12B-05PFFC-SH8C50
Amphenol LTW
1: £8.61
1In Stock

Mfr. Part No.
M12B-05PFFC-SH8C50

Mouser Part No
523-M12B05PFFCSH8C50

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, Screw Thread, Crimp, Receptacle With Cable/Wire, Length 500mm, IP68 / IP69K

Datasheet

1In Stock

£8.61

£7.75

£7.30

£7.11

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, Screw Thread, Crimp, Receptacle With Cable/Wire, Length 1000mm, IP68 / IP69K

M12B-05PFFC-SH8CA0
Amphenol LTW
1: £9.41
9In Stock

Mfr. Part No.
M12B-05PFFC-SH8CA0

Mouser Part No
523-M12B05PFFCSH8CA0

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, Screw Thread, Crimp, Receptacle With Cable/Wire, Length 1000mm, IP68 / IP69K

Datasheet

9In Stock

£9.41

£8.35

£8.02

£7.71

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, PG9, Screw Thread, Solder, Receptacle, Front Fastened, Panel Thickness 4.5, IP68 / IP69K

M12B-05PFFS-SF8001
Amphenol LTW
1: £6.72
27In Stock

Mfr. Part No.
M12B-05PFFS-SF8001

Mouser Part No
523-M12B05PFFSSF8001

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, PG9, Screw Thread, Solder, Receptacle, Front Fastened, Panel Thickness 4.5, IP68 / IP69K

Datasheet

27In Stock

£6.72

£5.71

£5.55

£5.41

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables 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

M12B-05PMMP-SF8001
Amphenol LTW
1: £5.69
16In Stock

Mfr. Part No.
M12B-05PMMP-SF8001

Mouser Part No
523-M12B05PMMPSF8001

Sensor Cables / Actuator Cables 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

Datasheet

16In Stock

£5.69

£5.14

£4.86

£4.75

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables 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

M12B-05PMMR-SF7003
Amphenol LTW
1: £6.60
9In Stock

Mfr. Part No.
M12B-05PMMR-SF7003

Mouser Part No
523-M12B05PMMRSF7003

Sensor Cables / Actuator Cables 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

Datasheet

9In Stock

£6.60

£5.95

£5.60

£5.46

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Hexagonal, PG9, Screw Thread, Solder, Receptacle, Front Fastened, Panel Thickness 4.5, IP68 / IP69K

M12B-05PMMS-SF8001
Amphenol LTW
1: £5.85
5In Stock

Mfr. Part No.
M12B-05PMMS-SF8001

Mouser Part No
523-M12B05PMMSSF8001

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Hexagonal, PG9, Screw Thread, Solder, Receptacle, Front Fastened, Panel Thickness 4.5, IP68 / IP69K

Datasheet

5In Stock

£5.85

£5.29

£5.00

£4.88

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

MSBP-05BFFM-SR8A01
Amphenol LTW
1: £7.80
9In Stock

Mfr. Part No.
MSBP-05BFFM-SR8A01

Mouser Part No
523-MSBP05BFFMSR8A01

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

Datasheet

9In Stock

£7.80

£7.03

£6.63

£6.45

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Female Connector, Female Contact, Right Angle-to-Right Angle, Screw Thread, Overmolded Double Ended, Length 1000mm, IP68 / IP69K

MSBP05FR-SBPFR-SD001
Amphenol LTW
1: £12.63
10In Stock

Mfr. Part No.
MSBP05FR-SBPFR-SD001

Mouser Part No
523-MSBP05FRSBPFRSD1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Female Connector, Female Contact, Right Angle-to-Right Angle, Screw Thread, Overmolded Double Ended, Length 1000mm, IP68 / IP69K

Datasheet

10In Stock

£12.63

£10.96

£10.38

£10.23

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Male Connector, Male Contact, Right Angle-to-Right Angle, Screw Thread, Overmolded Double Ended, Length 1000mm, IP68 / IP69K

MSBP05MR-SBPMR-SB001
Amphenol LTW
1: £11.36
6In Stock

Mfr. Part No.
MSBP05MR-SBPMR-SB001

Mouser Part No
523-MSBP05MRSBPMRSB1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Plastic, 4A, 05 pins, Male Connector, Male Contact, Right Angle-to-Right Angle, Screw Thread, Overmolded Double Ended, Length 1000mm, IP68 / IP69K

Datasheet

6In Stock

£11.36

£9.85

£9.33

£9.20

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, PROFIBUS, Metal, 4A, 02 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

MSBS-02BMMM-SL8M01
Amphenol LTW
1: £12.97
5In Stock

Mfr. Part No.
MSBS-02BMMM-SL8M01

Mouser Part No
523-MSBS02BMMMSL8M01

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, PROFIBUS, Metal, 4A, 02 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

Datasheet

5In Stock

£12.97

£11.24

£10.65

£10.50

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, PROFIBUS, Metal, 4A, 02 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 5000mm, IP68 / IP69K

MSBS-02BMMM-SL8M05
Amphenol LTW
1: £27.17
4In Stock

Mfr. Part No.
MSBS-02BMMM-SL8M05

Mouser Part No
523-MSBS02BMMMSL8M05

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, PROFIBUS, Metal, 4A, 02 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 5000mm, IP68 / IP69K

Datasheet

4In Stock

£27.17

£23.37

£22.37

£21.64

View

Min.: 1
Mult.: 1

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: £6.81
14In Stock

Mfr. Part No.
MSBS-05PFFP-SF8001

Mouser Part No
523-MSBS05PFFPSF8001

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

Datasheet

14In Stock

£6.81

£6.14

£5.77

£5.63

View

Min.: 1
Mult.: 1

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: £6.91
9In Stock

Mfr. Part No.
MSBS-05PFFP-SF8002

Mouser Part No
523-MSBS05PFFPSF8002

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

Datasheet

9In Stock

£6.91

£6.22

£5.87

£5.71

View

Min.: 1
Mult.: 1

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: £6.08
1In Stock

Mfr. Part No.
MSBS-05PMMP-SF8001

Mouser Part No
523-MSBS05PMMPSF8001

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

Datasheet

1In Stock

£6.08

£5.51

£5.20

£5.07

View

Min.: 1
Mult.: 1

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: £6.32
10In Stock

Mfr. Part No.
MSBS-05PMMP-SF8002

Mouser Part No
523-MSBS05PMMPSF8002

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

Datasheet

10In Stock

£6.32

£5.72

£5.40

£5.27

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 4000mm, IP68 / IP69K

M12B-05BMMM-SL8D04
Amphenol LTW
1: £11.34
228Expected 17/03/2026

Mfr. Part No.
M12B-05BMMM-SL8D04

Mouser Part No
523-M12B05BMMMSL8D04

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 4000mm, IP68 / IP69K

Datasheet

228Expected 17/03/2026

£11.34

£9.63

£9.23

£9.10

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Right Angle, Screw Thread, Overmolded Double Ended, Length 1000mm, IP68 / IP69K

M12B05ML-12BFR-SB001
Amphenol LTW
1: £12.40
5Expected 17/03/2026

Mfr. Part No.
M12B05ML-12BFR-SB001

Mouser Part No
523-2B05ML12BFRSB001

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Right Angle, Screw Thread, Overmolded Double Ended, Length 1000mm, IP68 / IP69K

Datasheet

5Expected 17/03/2026

£12.40

£10.75

£10.19

£10.04

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 5000mm, IP68 / IP69K

MSBS05FL-SBSFL-SD005
Amphenol LTW
1: £31.55
10Expected 03/03/2026

Mfr. Part No.
MSBS05FL-SBSFL-SD005

Mouser Part No
523-BS05FLSBSFLSD005

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 5000mm, IP68 / IP69K

Datasheet

10Expected 03/03/2026

£31.55

£27.64

£26.44

£25.59

View

Min.: 1
Mult.: 1

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: £7.72
50Expected 17/03/2026

Mfr. Part No.
M12B-04BFFA-SL8001

Mouser Part No
523-M12B04BFFASL8001

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

Datasheet

50Expected 17/03/2026

£7.72

£6.56

£6.38

£6.22

View

Min.: 1
Mult.: 1

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: £8.35
9Expected 10/03/2026

Mfr. Part No.
M12B-05BFFB-SL7001

Mouser Part No
523-M12B05BFFBSL7001

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

Datasheet

9Expected 10/03/2026

£8.35

£7.52

£7.08

£6.90

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 10000mm, IP68 / IP69K

M12B-05BFFM-SL8D10
Amphenol LTW
1: £19.30
8Expected 03/03/2026

Mfr. Part No.
M12B-05BFFM-SL8D10

Mouser Part No
523-M12B05BFFMSL8D10

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 10000mm, IP68 / IP69K

Datasheet

8Expected 03/03/2026

£19.30

£16.39

£15.43

£14.94

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 2000mm, IP68 / IP69K

M12B05ML-12BML-SD002
Amphenol LTW
1: £13.13
50Expected 17/03/2026

Mfr. Part No.
M12B05ML-12BML-SD002

Mouser Part No
523-M12B05ML12BMLSD2

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 2000mm, IP68 / IP69K

Datasheet

50Expected 17/03/2026

£13.13

£11.16

£10.70

£10.54

View

Min.: 1
Mult.: 1

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 500mm, IP68 / IP69K

M12B05ML-12BFL-SBA05
Amphenol LTW
1: £11.29
40On Order

Mfr. Part No.
M12B05ML-12BFL-SBA05

Mouser Part No
523-M12B05MLBFLSBA05

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 500mm, IP68 / IP69K

Datasheet

40On Order

£11.29

£9.59

£9.19

£9.05

View

Min.: 1
Mult.: 1