Sensor Cables / Actuator Cables

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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, Female Connector, Female Contact, Straight-to-Straight, Screw Thread, Overmolded Double Ended, Length 5000mm, IP68 / IP69K

MSBS05FL-SBSFL-SD005
Amphenol LTW
1: $54.64
7In Stock

Mfr. Part #
MSBS05FL-SBSFL-SD005

Mouser Part #
523-BS05FLSBSFLSD005

Amphenol LTW

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Datasheet

7In Stock

$54.64

$48.44

$48.41

$42.52

View

Min.: 1
Mult.: 1

M12

5 Position

M12

5 Position

Female / Female

B Coded

5 m (16.404 ft)

4 A

60 V

22 AWG

Black

IP68, IP69K

M12 B Code

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 04 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

M12B-04BFFM-SL8A01
Amphenol LTW
1: $12.26
9In Stock

Mfr. Part #
M12B-04BFFM-SL8A01

Mouser Part #
523-M12B04BFFMSL8A01

Amphenol LTW

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 04 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

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Datasheet

9In Stock

$12.26

$10.41

$9.75

$9.28

View

Min.: 1
Mult.: 1

M12

4 Position

Pigtail

Female

B Coded

1 m (3.281 ft)

4 A

250 V

22 AWG

Yellow

IP68

M12 B Code

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

M12B-05BFFM-SL8B01
Amphenol LTW
1: $14.17
172In Stock

Mfr. Part #
M12B-05BFFM-SL8B01

Mouser Part #
523-M12B05BFFMSL8B01

Amphenol LTW

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

Learn More

Datasheet

172In Stock

$14.17

$12.29

$12.27

$12.09

View

Min.: 1
Mult.: 1

M12

5 Position

Pigtail

Female

B Coded

1 m (3.281 ft)

4 A

60 V

22 AWG

Black

IP68

M12 B Code

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: $20.63
42In Stock
230On Order

Mfr. Part #
M12B-05BMMM-SL8D04

Mouser Part #
523-M12B05BMMMSL8D04

Amphenol LTW

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

Learn More

Datasheet

42In Stock

230On Order

$20.63

$17.12

$16.51

$15.46

View

Min.: 1
Mult.: 1

M12

5 Position

Pigtail

Male

B Coded

4 m (13.123 ft)

4 A

60 V

22 AWG

Black

IP68

M12 B Code

M12B05FL-12BFL-SD001
Amphenol LTW
1: $23.82
8In Stock

Mfr. Part #
M12B05FL-12BFL-SD001

Mouser Part #
523-M12B05FL12BFLSD1

Amphenol LTW

Learn More

Datasheet

8In Stock

$23.82

$20.23

$18.38

$17.24

View

Min.: 1
Mult.: 1

M12

5 Position

M12

5 Position

Female / Female

B Coded

1 m (3.281 ft)

4 A

60 V

M12 B Code

Bulk

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-12BFL-SB002
Amphenol LTW
1: $24.88
12In Stock

Mfr. Part #
M12B05ML-12BFL-SB002

Mouser Part #
523-M12B05ML12BFLSB2

Amphenol LTW

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Datasheet

12In Stock

$24.88

$21.18

$19.60

$18.34

View

Min.: 1
Mult.: 1

M12

5 Position

M12

5 Position

Male / Female

B Coded

2 m (6.562 ft)

4 A

60 V

M12 B Code

Bulk

M12B05ML-12BFL-SD001
Amphenol LTW
1: $20.58
25In Stock

Mfr. Part #
M12B05ML-12BFL-SD001

Mouser Part #
523-M12B05ML12BFLSD1

Amphenol LTW

Learn More

Datasheet

25In Stock

$20.58

$17.80

$16.68

$15.89

View

Min.: 1
Mult.: 1

M12

5 Position

M12

5 Position

Male / Female

B Coded

1 m (3.281 ft)

4 A

60 V

M12 B Code

Bulk

M12B05ML-12BFL-SD002
Amphenol LTW
1: $21.00
10In Stock

Mfr. Part #
M12B05ML-12BFL-SD002

Mouser Part #
523-M12B05ML12BFLSD2

Amphenol LTW

Learn More

Datasheet

10In Stock

$21.00

$17.84

$16.51

$15.93

View

Min.: 1
Mult.: 1

M12

5 Position

M12

5 Position

Male / Female

B Coded

2 m (6.562 ft)

4 A

60 V

M12 B Code

Bulk

M12B05ML-12BFL-SBA05
Amphenol LTW
1: $17.32
10In Stock
40Expected 10/5/2026

Mfr. Part #
M12B05ML-12BFL-SBA05

Mouser Part #
523-M12B05MLBFLSBA05

Amphenol LTW

Learn More

Datasheet

10In Stock

40Expected 10/5/2026

$17.32

$16.50

$15.90

$13.65

$13.48

Min.: 1
Mult.: 1

M12

5 Position

M12

5 Position

Male / Female

B Coded

500 mm (19.685 in)

4 A

60 V

M12 B Code

Bulk

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: $11.34
19In Stock

Mfr. Part #
M12B-05PFFS-SF8001

Mouser Part #
523-M12B05PFFSSF8001

Amphenol LTW

Learn More

Datasheet

19In Stock

$11.34

$9.62

$8.88

$8.59

View

Min.: 1
Mult.: 1

M12 B Code

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: $16.32
3Expected 8/31/2026

Mfr. Part #
M12B-05PFFC-SH8CA0

Mouser Part #
523-M12B05PFFCSH8CA0

Amphenol LTW

Learn More

Datasheet

3Expected 8/31/2026

$16.32

$13.68

$13.22

$12.84

View

Min.: 1
Mult.: 1

M12

5 Position

Pigtail

Female

B Coded

1 m (3.281 ft)

4 A

60 V

22 AWG

Black

IP68

M12 B Code

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Hexagonal, M12*1.0, Screw Thread, PCB 90 , Receptacle, Front Fastened, IP67 Mated

M12B-05PFFR-SF7003
Amphenol LTW
1: $12.79
30Expected 10/12/2026

Mfr. Part #
M12B-05PFFR-SF7003

Mouser Part #
523-M12B05PFFRSF7003

Amphenol LTW

Learn More

Datasheet

30Expected 10/12/2026

$12.79

$11.32

$10.08

$9.70

View

Min.: 1
Mult.: 1

Female

B Coded

IP67

M12 B Code

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 04 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

M12B-04BMMM-SL8A01
Amphenol LTW
1: $9.88
3Expected 9/29/2026

Mfr. Part #
M12B-04BMMM-SL8A01

Mouser Part #
523-M12B04BMMMSL8A01

Amphenol LTW

Sensor Cables / Actuator Cables M12 Circular Metric Connector, B Code, Metal, 4A, 04 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

Learn More

Datasheet

3Expected 9/29/2026

$9.88

$8.46

$7.90

$7.42

View

Min.: 1
Mult.: 1

M12

4 Position

Pigtail

Male

B Coded

1 m (3.281 ft)

4 A

250 V

22 AWG

Yellow

IP68

M12 B Code

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

M12B-05BFFM-SL8B05
Amphenol LTW
1: $27.18
9Expected 9/21/2026

Mfr. Part #
M12B-05BFFM-SL8B05

Mouser Part #
523-M12B05BFFMSL8B05

Amphenol LTW

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

Learn More

Datasheet

9Expected 9/21/2026

$27.18

$22.76

$20.70

$19.54

View

Min.: 1
Mult.: 1

M12

5 Position

Pigtail

Female

B Coded

5 m (16.404 ft)

4 A

60 V

22 AWG

Black

IP68

M12 B Code

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

M12B-05BFFM-SL8D05
Amphenol LTW
1: $22.78
5Expected 10/5/2026

Mfr. Part #
M12B-05BFFM-SL8D05

Mouser Part #
523-M12B05BFFMSL8D05

Amphenol LTW

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

Learn More

Datasheet

5Expected 10/5/2026

$22.78

$19.38

$19.16

$17.33

View

Min.: 1
Mult.: 1

M12

5 Position

Pigtail

Female

B Coded

5 m (16.404 ft)

4 A

60 V

22 AWG

Black

IP68

M12 B Code

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: $8.84
10Expected 8/21/2026

Mfr. Part #
M12B-05PMMP-SF8001

Mouser Part #
523-M12B05PMMPSF8001

Amphenol LTW

Learn More

Datasheet

10Expected 8/21/2026

$8.84

$8.14

$7.53

$7.27

View

Min.: 1
Mult.: 1

M12 B Code

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