Waterproof Connectors Manufacturer - Holin

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Waterproof Connector - M Connector

Waterproof Connector: M series (as known as M Connector) is compact and lightweight designed, which is suited to withstand harsh industrial environments while providing reliable data and power transmission to automated machinery. M Connector protects against dirt, water, vibration/shock, and temperature extremes, sealed up to IP68 when mated. Available in 3 different sizes M5: 5mm, M8: 8mm, and M12: 12mm connectors.
M waterproof connectors are offered in a variety of mounting options, gender orientations, and connector coding allowing them to satisfy complex design requirements. They are intermateable with a wide variety of competitive products. M Connectors are available in Panel Mount, Overmolded, Attachable, and Receptacle combined with a diversity of cables. Holin's waterproof connectors: M type is the ideal solution for nearly all markets and applications.

M Connector Existing code:

  • M5 A code.
  • M8 A code, B code, K code.
  • M12 AA code, M12 B code, M12 C code, M12 D code, M12 K code, M12 L code, M12 M code, M12 P code, M12 S code, M12 T code, M12 X code.
  • M23


Existing number of pins of Holin's Waterproof Connectors:

2 pin connector, 3 pin connector, 4 pin connector, 5 pin connector, 6 pin connector, 7 pin connector, 8 pin connector, 9 pin connector, 10 pin connector, 11 pin connector, 12 pin connector, 13 pin connector, 14 pin connector, 15 pin connector, 16 pin connector, 17 pin connector.


M Waterproof Connectors Applications

  • Automation
  • Industrial computer
  • Wireless outdoor access point
  • Testing and measurement equipment
  • Electric bike
  • Network camera
  • Military computer
  • Metal detector
  • Advanced metering infrastructure, etc
Waterproof Connector Size & Code
Size Coding
M5 A
M8 A, B, K
M12 A, B, C, D, K, L, M, P, S, T, X
M23 ---


Contact : Brass,

Gold Plated.

Connector Insert :

Nylon + GF.

Connector Housing :

Nylon + GF or Brass, Nickel Plated.

Screw Nut :

Nylon +GF or Brass, Nickel Plated.

Cable :

PVC, PU or Customized.
Connector Size M5 M8 M12
IEC Standard No. 61076-2-105. 61076-2-104

A, B, C, D, P code : 61076-2-101

K, L, M, S, T code: 61076-2-111

X coding : 61076-2-109

IP Rating (IEC60529) 66 to 68 65 to 68 66 to 68
M12 Waterproof Connectors
M12 Signal code
Code A Code B Code C Code D Code P Code X Code
Shape of Connector
Number of Poles 2, 3, 4, 5, 6, 8, 12 3, 4, 5 3, 4, 5, 6 3, 4, 5 3, 4, 5 8
Currenting Rating 4A, 2A, 1A 5A 4A, 2A 4A 4A 0.5A
IP Rating IP66~68

M12 Power code
Code Code Code M Code S Code T Code
Shape of Connector
Number of Poles 3, 4, 5 3, 4, 5 3, 4, 5, 6 3, 4 2, 3, 4
Currenting Rating 12A 12A 8A 12A 12A
IP Rating IP66~68
M8 Waterproof Connectors
Coding A Coding B Coding K Coding
Shape of Connector
Number of Poles 2, 3, 4, 5, 6 5 2, 3, 4, 5, 6
Currenting Rating 3A, 1.5A 3A 3A, 1.5A
IP Rating IP66~68
M5 Waterproof Connectors
Coding A Coding
Shape of Connector
Number of Poles 3, 4
Currenting Rating 1A
IP Rating IP66~67