M12 Connector Series

The industry-standard circular connector for factory automation. Available in straight, right-angle, panel-mount, and overmolded cable variants. Fully IP67/IP68 rated.

  • Thread SizeM12 × 1.0
  • Coding TypesA-Coding, B-Coding, D-Coding, X-Coding
  • Pin Count3, 4, 5, 8 (12 available)
  • IP RatingIP67 / IP68 (mated)
  • Temperature Range-25°C to +85°C
  • Cable JacketPUR (standard), PVC (optional)
  • CertificationsRoHS, REACH, UL (optional)

Technical Specifications

ParameterMale (Plug)Female (Socket)
ThreadM12 × 1.0M12 × 1.0
Mating Length42 mm45 mm
Panel CutoutØ12 mm
Straight Cable OD4–8 mm4–8 mm
Right-Angle Cable OD4–6 mm4–6 mm
Hex Nut Torque0.6 N·m0.6 N·m
Pin CountRated CurrentRated VoltageWithstand VoltageContact Resistance
3 Pin4 A250 V1500 V≤ 10 mΩ
4 Pin4 A250 V1500 V≤ 10 mΩ
5 Pin4 A60 V1500 V≤ 10 mΩ
8 Pin2 A30 V1500 V≤ 10 mΩ
12 Pin1.5 A30 V1000 V≤ 15 mΩ
CodingPin ConfigKeying PositionTypical Use
A-Coding3, 4, 5, 8, 120° (standard)Sensors, actuators, DC power
B-Coding4, 530° offsetFieldbus, Profibus
D-Coding4180° offsetIndustrial Ethernet (100 Mbps)
X-Coding8SpecialGigabit Ethernet (PoE+)

Standard Pin Assignment (A-Coding)

Pin3-Pin4-Pin5-Pin8-Pin
1BrownBrownBrownBrown
2WhiteWhiteWhiteWhite
3BlueBlueBlueBlue
4BlackBlackBlack
5GrayGray
6–8Pink / Yellow / Green
ComponentMaterialPlating / Finish
Contact PinsBrass (CuZn)Gold-plated (Au)
Housing (Male)Nickel-plated BrassNickel / Black Chrome
Housing (Female)Nickel-plated Brass / TPUNickel / Matte Black
InsulatorPA66 / TPUBlack
Seal / O-RingNBR / FKM (Viton)Black
Cable JacketPUR (default) / PVCBlack, Yellow, Gray
Coupling NutNickel-plated BrassKnurled surface

Panel Mount Receptacles

Available in front-mount and rear-mount styles for enclosure integration. Pre-wired or solder cup termination.

TypePinMountingCodingIP Rating
Front Mount Female4/5/8Panel hole Ø12mm, 2× M3 screwsA / DIP67
Rear Mount Male4/5Panel hole Ø12mm, lock nutA / BIP67
PCB Mount Female4/5/8Solder pins on PCB, 4-leg flangeA / XIP67 (with gasket)
Pre-wired (PUR 2m)3/4/5/8Flange mount, 2m pigtailAIP68

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