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M Series Circular Metric Connector Adapters

Amphenol LTW M Series Circular Metric Connector Adapters include a wide range of I, T, and Y adapters, T cables, and Y cables. These adapters offer various codes: I adapters provide M12 A and D codes, T adapters provide M12 A and B codes, and Y adapters provide A, D, and I codes. The T and Y cables offer M12 A, B, D, and I codes. M series adapters feature a feed-through, waterproof design and are available in straight or angled versions. Additional features include a high-performance data transmission rate of up to 10Gbps and gold-plated copper alloy M12 female pin and RJ45 contacts. Amphenol LTW M Series Circular Metric Connector Adapters meet the requirements of the industrial Ethernet field and comply with IEC standards.

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Part #

Circular Metric Connectors M12 Metric Circular Connector, A-Coded, Metal Shielded, 4A, 04 pins, Female Connector, Female Contact, Ethernet, Straight, Screw Thread, IDC, Field Installable, F4.7-F5.7mm, IP68 Mated

MSAS-04BFFD-SL8001
Amphenol LTW
1: $24.36
18In Stock
New Product

Mfr. Part No.
MSAS-04BFFD-SL8001

Mouser Part No
523-MSAS04BFFDSL8001

New Product

Amphenol LTW

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Datasheet

18In Stock

$24.36

$20.69

$19.54

$18.61

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Min.: 1
Mult.: 1

Circular Metric Connectors M12 Metric Circular Connector, A-Coded, Metal Shielded, 4A, 04 pins, Female Connector, Female Contact, PROFIBUS PA, Straight, Screw Thread, IDC, Field Installable, F4.7-F5.7mm, F5.8-F7.1mm, IP68 Mated

MSAS-04BFFD-SL8004
Amphenol LTW
1: $24.54
20In Stock
New Product

Mfr. Part No.
MSAS-04BFFD-SL8004

Mouser Part No
523-MSAS04BFFDSL8004

New Product

Amphenol LTW

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Datasheet

20In Stock

$24.54

$21.40

$19.45

$18.71

View

Min.: 1
Mult.: 1

Circular Metric Connectors M12 Metric Circular Connector, A-Coded, Metal Shielded, 4A, 04 pins, Female Connector, Female Contact, Signal, Straight, Screw Thread, IDC, Field Installable, F4.7-F5.7mm, IP68 Mated

MSAS-04BFFD-SL8005
Amphenol LTW
1: $23.32
20In Stock
New Product

Mfr. Part No.
MSAS-04BFFD-SL8005

Mouser Part No
523-MSAS04BFFDSL8005

New Product

Amphenol LTW

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Datasheet

20In Stock

$23.32

$19.79

$18.56

$18.25

View

Min.: 1
Mult.: 1

Circular Metric Connectors M12 Metric Circular Connector, A-Coded, Metal Shielded, 4A, 04 pins, Female Connector, Female Contact, FOUNDATION Fieldbus, Straight, Screw Thread, IDC, Field Installable, F4.7-F5.7mm, F5.8-F7.1mm, IP68 Mated

MSAS-04BFFD-SL8010
Amphenol LTW
1: $24.54
20In Stock
New Product

Mfr. Part No.
MSAS-04BFFD-SL8010

Mouser Part No
523-MSAS04BFFDSL8010

New Product

Amphenol LTW

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Datasheet

20In Stock

$24.54

$20.84

$19.45

$18.71

View

Min.: 1
Mult.: 1

Circular Metric Connectors M12 Metric Circular Connector, A-Coded, Metal Shielded, 4A, 04 pins, Male Connector, Male Contact, Ethernet, Straight, Screw Thread, IDC, Field Installable, F4.7-F5.7mm, IP68 Mated

MSAS-04BMMD-SL8001
Amphenol LTW
1: $22.83
18In Stock
New Product

Mfr. Part No.
MSAS-04BMMD-SL8001

Mouser Part No
523-MSAS04BMMDSL8001

New Product

Amphenol LTW

Learn More

Datasheet

18In Stock

$22.83

$19.40

$18.36

$17.49

View

Min.: 1
Mult.: 1

Circular Metric Connectors M12 Metric Circular Connector, A-Coded, Metal Shielded, 4A, 04 pins, Male Connector, Male Contact, PROFIBUS PA, Straight, Screw Thread, IDC, Field Installable, F4.7-F5.7mm, F5.8-F7.1mm, IP68 Mated

MSAS-04BMMD-SL8004
Amphenol LTW
1: $22.93
20In Stock
New Product

Mfr. Part No.
MSAS-04BMMD-SL8004

Mouser Part No
523-MSAS04BMMDSL8004

New Product

Amphenol LTW

Learn More

Datasheet

20In Stock

$22.93

$19.48

$18.12

$17.56

View

Min.: 1
Mult.: 1

Circular Metric Connectors M12 Metric Circular Connector, A-Coded, Metal Shielded, 4A, 04 pins, Male Connector, Male Contact, Signal, Straight, Screw Thread, IDC, Field Installable, F4.7-F5.7mm, IP68 Mated

MSAS-04BMMD-SL8005
Amphenol LTW
1: $21.84
20In Stock
New Product

Mfr. Part No.
MSAS-04BMMD-SL8005

Mouser Part No
523-MSAS04BMMDSL8005

New Product

Amphenol LTW

Learn More

Datasheet

20In Stock

$21.84

$18.50

$17.35

$17.14

View

Min.: 1
Mult.: 1

Circular Metric Connectors M12 Metric Circular Connector, A-Coded, Metal Shielded, 4A, 04 pins, Male Connector, Male Contact, FOUNDATION Fieldbus, Straight, Screw Thread, IDC, Field Installable, F4.7-F5.7mm, F5.8-F7.1mm, IP68 Mated

MSAS-04BMMD-SL8010
Amphenol LTW
1: $22.45
20In Stock
New Product

Mfr. Part No.
MSAS-04BMMD-SL8010

Mouser Part No
523-MSAS04BMMDSL8010

New Product

Amphenol LTW

Learn More

Datasheet

20In Stock

$22.45

$19.06

$17.56

$16.72

View

Min.: 1
Mult.: 1

Circular Metric Connectors M12 Metric Circular Connector, D-Coded, Metal Shielded, 4A, 04 pins, Female Connector, Female Contact, Ethernet, Straight, Screw Thread, IDC, Field Installable, F4.7-F5.7mm, IP68 Mated

MSDS-04BFFD-SL8001
Amphenol LTW
1: $24.36
16In Stock
New Product

Mfr. Part No.
MSDS-04BFFD-SL8001

Mouser Part No
523-MSDS04BFFDSL8001

New Product

Amphenol LTW

Learn More

Datasheet

16In Stock

$24.36

$21.27

$19.54

$18.61

View

Min.: 1
Mult.: 1

Circular Metric Connectors M12 Metric Circular Connector, D-Coded, Metal Shielded, 4A, 04 pins, Female Connector, Female Contact, PROFINET EtherCAT, Straight, Screw Thread, IDC, Field Installable, F4.7-F5.7mm, IP68 Mated

MSDS-04BFFD-SL8002
Amphenol LTW
1: $24.36
16In Stock
New Product

Mfr. Part No.
MSDS-04BFFD-SL8002

Mouser Part No
523-MSDS04BFFDSL8002

New Product

Amphenol LTW

Learn More

Datasheet

16In Stock

$24.36

$21.27

$19.54

$18.61

View

Min.: 1
Mult.: 1

Circular Metric Connectors M12 Metric Circular Connector, D-Coded, Metal Shielded, 4A, 04 pins, Male Connector, Male Contact, PROFINET EtherCAT, Straight, Screw Thread, IDC, Field Installable, F4.7-F5.7mm, IP68 Mated

MSDS-04BMMD-SL8002
Amphenol LTW
1: $21.84
42In Stock
New Product

Mfr. Part No.
MSDS-04BMMD-SL8002

Mouser Part No
523-MSDS04BMMDSL8002

New Product

Amphenol LTW

Learn More

Datasheet

42In Stock

$21.84

$18.50

$18.00

$17.14

View

Min.: 1
Mult.: 1

Modular Connectors / Ethernet Connectors Circular Metric Connector, M12 To RJ Adaptor, Metal, D Coding, 4A, 04 pins, Female Connector, Female Contact, Straight

RJS-12D04FF-LS8001
Amphenol LTW
1: $15.85
2,055In Stock
1,525Expected 2026/08/07

Mfr. Part No.
RJS-12D04FF-LS8001

Mouser Part No
654-RJS12D04FFLS8001

Amphenol LTW

Modular Connectors / Ethernet Connectors Circular Metric Connector, M12 To RJ Adaptor, Metal, D Coding, 4A, 04 pins, Female Connector, Female Contact, Straight

Learn More

Datasheet

2,055In Stock

1,525Expected 2026/08/07

$15.85

$13.47

$12.47

$12.04

$11.64

Min.: 1
Mult.: 1

Circular Metric Connectors M Series Sensor Connector, M8, A Code, Metal, 3A, 06 pins, Female Connector, Female Contact, Hexagonal, M10*0.75, Screw Thread, PCB 90 , Receptacle, Front Fastened, IP68

M8S-06PFFR-SF8001
Amphenol LTW
1: $16.92
65In Stock

Mfr. Part No.
M8S-06PFFR-SF8001

Mouser Part No
523-M8S06PFFRSF8001

Amphenol LTW

Circular Metric Connectors M Series Sensor Connector, M8, A Code, Metal, 3A, 06 pins, Female Connector, Female Contact, Hexagonal, M10*0.75, Screw Thread, PCB 90 , Receptacle, Front Fastened, IP68

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Datasheet

65In Stock

$16.92

$14.37

$13.78

$11.83

View

Min.: 1
Mult.: 1

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

M12A-05BMMA-SL8001
Amphenol LTW
1: $7.26
1,190In Stock

Mfr. Part No.
M12A-05BMMA-SL8001

Mouser Part No
523-M12A05BMMASL8001

Amphenol LTW

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

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Datasheet

1,190In Stock

$7.26

$6.16

$5.71

$5.50

View

Min.: 1
Mult.: 1

Circular Metric Connectors M12 Circular Metric Connector, A Code, Metal, 2A, 08 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

M12A-08BFFA-SL8001
Amphenol LTW
1: $10.85
759In Stock
550Expected 2026/10/01

Mfr. Part No.
M12A-08BFFA-SL8001

Mouser Part No
523-M12A08BFFASL8001

Amphenol LTW

Circular Metric Connectors M12 Circular Metric Connector, A Code, Metal, 2A, 08 pins, Female Connector, Female Contact, Straight, Screw Thread, Solder, Field Installable, F4.5 - F6.5mm, IP68 Mated

Learn More

Datasheet

759In Stock

550Expected 2026/10/01

$10.85

$9.52

$8.82

$8.50

View

Min.: 1
Mult.: 1

Circular Metric Connectors M12 Circular Metric Connector, A Code, Metal, 2A, 08 pins, Male Connector, Male Contact, Hexagonal, PG9, Screw Thread, Solder, Receptacle, Front Fastened, Panel Thickness 4.5, IP68 / IP69K

M12A-08PMMS-SF8001
Amphenol LTW
1: $7.30
1,088In Stock
1,700On Order

Mfr. Part No.
M12A-08PMMS-SF8001

Mouser Part No
523-M12A08PMMSSF8001

Amphenol LTW

Learn More

Datasheet

1,088In Stock

1,700On Order

$7.30

$6.21

$5.75

$5.54

View

Min.: 1
Mult.: 1

Circular Metric Connectors M12 Circular Metric Connector, A Code, Metal, 2A, 08 pins, Female Connector, Female Contact, Hexagonal, PG9, Screw Thread, Solder, Receptacle, Front Fastened, Panel Thickness 4.5, IP68 / IP69K

M12A-08PFFS-SF8001
Amphenol LTW
1: $8.11
575In Stock
5,080On Order

Mfr. Part No.
M12A-08PFFS-SF8001

Mouser Part No
654-M12A08PFFSSF8001

Amphenol LTW

Learn More

Datasheet

575In Stock

5,080On Order

$8.11

$6.88

$6.37

$6.15

View

Min.: 1
Mult.: 1

Modular Connectors / Ethernet Connectors Circular Metric Connector, M12 To RJ Adaptor, Metal, D Coding, 4A, 04 pins, Female Connector, Female Contact, Right Angle

RJS-12D04FF-RS8001
Amphenol LTW
1: $15.69
819In Stock
200Expected 2026/08/10

Mfr. Part No.
RJS-12D04FF-RS8001

Mouser Part No
654-RJS12D04FFRS8001

Amphenol LTW

Modular Connectors / Ethernet Connectors Circular Metric Connector, M12 To RJ Adaptor, Metal, D Coding, 4A, 04 pins, Female Connector, Female Contact, Right Angle

Learn More

Datasheet

819In Stock

200Expected 2026/08/10

$15.69

$13.60

$12.58

$12.13

View

Min.: 1
Mult.: 1

Modular Connectors / Ethernet Connectors Circular Metric Connector, M12 To RJ Adaptor, Metal, D Coding, 4A, 04 pins, Male Connector, Male Contact, Straight

RJS-12D04FM-LS8001
Amphenol LTW
1: $16.40
689In Stock
430On Order

Mfr. Part No.
RJS-12D04FM-LS8001

Mouser Part No
654-RJS12D04FMLS8001

Amphenol LTW

Modular Connectors / Ethernet Connectors Circular Metric Connector, M12 To RJ Adaptor, Metal, D Coding, 4A, 04 pins, Male Connector, Male Contact, Straight

Learn More

Datasheet

689In Stock

430On Order

$16.40

$15.08

$14.18

$13.87

View

Min.: 1
Mult.: 1

Circular Metric Connectors Circular Metric Connector, I Adaptor, Metal, A Coding, 4A, 04 pins, (End 1) Female Female, (End 2) Female Female, Screw Thread, IP68 Mated

IA-A04F-A04F-0000-01
Amphenol LTW
1: $15.67
20In Stock

Mfr. Part No.
IA-A04F-A04F-0000-01

Mouser Part No
523-IAA04FA04F000001

Amphenol LTW

Circular Metric Connectors Circular Metric Connector, I Adaptor, Metal, A Coding, 4A, 04 pins, (End 1) Female Female, (End 2) Female Female, Screw Thread, IP68 Mated

Learn More

Datasheet

20In Stock

$15.67

$13.30

$13.29

$10.90

View

Min.: 1
Mult.: 1

Circular Metric Connectors Circular Metric Connector, I Adaptor, Metal, A Coding, 4A, 05 pins, (End 1) Female Female, (End 2) Female Female, Screw Thread, IP68 Mated

IA-A05F-A05F-0000-01
Amphenol LTW
1: $11.97
19In Stock
90On Order

Mfr. Part No.
IA-A05F-A05F-0000-01

Mouser Part No
523-IAA05FA05F000001

Amphenol LTW

Circular Metric Connectors Circular Metric Connector, I Adaptor, Metal, A Coding, 4A, 05 pins, (End 1) Female Female, (End 2) Female Female, Screw Thread, IP68 Mated

Learn More

Datasheet

19In Stock

90On Order

$11.97

$11.32

$10.61

$10.11

$9.93

Min.: 1
Mult.: 1

Circular Metric Connectors Circular Metric Connector, I Adaptor, Metal, A Coding, 4A, 05 pins, (End 1) Male Male, (End 2) Male Male, Screw Thread, IP68 Mated

IA-A05M-A05M-0000-01
Amphenol LTW
1: $12.13
63In Stock
80Expected 2026/10/01

Mfr. Part No.
IA-A05M-A05M-0000-01

Mouser Part No
523-IAA05MA05M000001

Amphenol LTW

Circular Metric Connectors Circular Metric Connector, I Adaptor, Metal, A Coding, 4A, 05 pins, (End 1) Male Male, (End 2) Male Male, Screw Thread, IP68 Mated

Learn More

Datasheet

63In Stock

80Expected 2026/10/01

$12.13

$10.32

$9.69

Min.: 1
Mult.: 1

Circular Metric Connectors Circular Metric Connector, I Adaptor, Metal, A Coding, 2A, 08 pins, (End 1) Female Female, (End 2) Female Female, Screw Thread, IP68 Mated

IA-A08F-A08F-0000-01
Amphenol LTW
1: $17.71
9In Stock

Mfr. Part No.
IA-A08F-A08F-0000-01

Mouser Part No
523-IAA08FA08F000001

Amphenol LTW

Circular Metric Connectors Circular Metric Connector, I Adaptor, Metal, A Coding, 2A, 08 pins, (End 1) Female Female, (End 2) Female Female, Screw Thread, IP68 Mated

Learn More

Datasheet

9In Stock

$17.71

$15.05

$14.11

$13.43

$12.96

Min.: 1
Mult.: 1

Circular Metric Connectors Circular Metric Connector, I Adaptor, Metal, A Coding, 2A, 08 pins, (End 1) Male Male, (End 2) Male Male, Screw Thread, IP68 Mated

IA-A08M-A08M-0000-01
Amphenol LTW
1: $17.78
2In Stock

Mfr. Part No.
IA-A08M-A08M-0000-01

Mouser Part No
523-IAA08MA08M000001

Amphenol LTW

Circular Metric Connectors Circular Metric Connector, I Adaptor, Metal, A Coding, 2A, 08 pins, (End 1) Male Male, (End 2) Male Male, Screw Thread, IP68 Mated

Learn More

Datasheet

2In Stock

$17.78

$15.18

$14.22

$13.55

View

Min.: 1
Mult.: 1

Circular Metric Connectors Circular Metric Connector, I Adaptor, Metal, A Coding, 1.5A, 12 pins, (End 1) Female Female, (End 2) Female Female, Screw Thread, IP68 Mated

IA-A12F-A12F-0000-01
Amphenol LTW
1: $29.34
3In Stock
20Expected 2026/09/24

Mfr. Part No.
IA-A12F-A12F-0000-01

Mouser Part No
523-IAA12FA12F000001

Amphenol LTW

Circular Metric Connectors Circular Metric Connector, I Adaptor, Metal, A Coding, 1.5A, 12 pins, (End 1) Female Female, (End 2) Female Female, Screw Thread, IP68 Mated

Learn More

Datasheet

3In Stock

20Expected 2026/09/24

$29.34

$24.93

$22.91

$21.04

View

Min.: 1
Mult.: 1

M Series Circular Metric Connector Adapters

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M Series Circular Metric Connector Adapters

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