Circular Connectors – Mouser Singapore

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PCB Connection Technology Solutions

HARTING PCB Connection Technology Solutions include a comprehensive portfolio of connectors, terminal blocks, cordsets, and Ethernet interfaces. This HARTING product lineup for PCB Connection Technology Solutions is ideal for machinery, communications, controllers, drivers, sensors, and medical device applications.

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Types of Circular Connectors

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Part #

Circular Metric Connectors M12 SD PFT MALE A CODE 5 POL

21038211525
HARTING
1: $49.71
1,072In Stock

Mfr. Part No.
21038211525

Mouser Part No
617-21038211525

HARTING

Circular Metric Connectors M12 SD PFT MALE A CODE 5 POL

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Datasheet

1,072In Stock

$49.71

$44.35

$42.50

$38.20

View

Min.: 1
Mult.: 1

Connectors

Without Pin Contacts

Crimp

IP67

Circular Metric Connectors M12 PUSHPULL 8POLE A-CODED FEMALE

21038212830
HARTING
1: $97.08
31In Stock

Mfr. Part No.
21038212830

Mouser Part No
617-21038212830

HARTING

Circular Metric Connectors M12 PUSHPULL 8POLE A-CODED FEMALE

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Datasheet

31In Stock

$97.08

$84.12

$82.51

$74.47

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Min.: 1
Mult.: 1

Socket (Female)

Solder

IP54

Circular Metric Connectors 4P Male M12-L D-Code Straight Harax

21032811405
HARTING
1: $52.90
702In Stock

Mfr. Part No.
21032811405

Mouser Part No
617-21-03-281-1405

HARTING

Circular Metric Connectors 4P Male M12-L D-Code Straight Harax

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Datasheet

702In Stock

$52.90

$46.43

$43.53

$41.45

View

Min.: 1
Mult.: 1

Connectors

Pin (Male)

IDC

IP65, IP67

Circular Metric Connectors 4P Female M12 D-Code Panel Feed Through

21033712403
HARTING
1: $32.72
2,359In Stock
38,947On Order

Mfr. Part No.
21033712403

Mouser Part No
617-21-03-371-2403

HARTING

Circular Metric Connectors 4P Female M12 D-Code Panel Feed Through

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Datasheet

2,359In Stock

38,947On Order

$32.72

$28.49

$24.82

$23.64

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Wire

IP67

Circular Metric Connectors PFT M12 Slim Female X-coded

21038812825
HARTING
1: $66.76
817In Stock
560Expected 4/9/2026

Mfr. Part No.
21038812825

Mouser Part No
617-21038812825

HARTING

Circular Metric Connectors PFT M12 Slim Female X-coded

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Datasheet

817In Stock

560Expected 4/9/2026

$66.76

$56.75

$53.20

$50.66

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Crimp

IP67

Standard Circular Connector 4P M8 MALE STRAIGHT

21021511405
HARTING
1: $19.84
126In Stock
69Expected 8/9/2026

Mfr. Part No.
21021511405

Mouser Part No
617-21-02-151-1405

HARTING

Standard Circular Connector 4P M8 MALE STRAIGHT

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Datasheet

126In Stock

69Expected 8/9/2026

$19.84

$16.86

$15.82

$15.04

View

Min.: 1
Mult.: 1

Connectors

Crimp

IP67

Circular Metric Connectors 4P Male M12-S Straight Harax

21031111405
HARTING
1: $16.73
1,646In Stock

Mfr. Part No.
21031111405

Mouser Part No
617-21-03-111-1405

HARTING

Circular Metric Connectors 4P Male M12-S Straight Harax

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Datasheet

1,646In Stock

$16.73

$14.23

$13.34

$12.69

View

Min.: 1
Mult.: 1

Connectors

Pin (Male)

IDC

IP65, IP67

Circular Metric Connectors 4P Female M12-S Straight Harax

21031112405
HARTING
1: $21.71
309In Stock

Mfr. Part No.
21031112405

Mouser Part No
617-21-03-111-2405

HARTING

Circular Metric Connectors 4P Female M12-S Straight Harax

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Datasheet

309In Stock

$21.71

$19.30

$18.10

$17.23

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

IDC

IP65, IP67

Circular Metric Connectors BlindingCapfor Fw/CblClip

21010000031
HARTING
1: $15.74
966In Stock

Mfr. Part No.
21010000031

Mouser Part No
617-21010000031

HARTING

Circular Metric Connectors BlindingCapfor Fw/CblClip

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Datasheet

966In Stock

$15.74

$13.37

$12.54

$11.93

View

Min.: 1
Mult.: 1

Accessories

Circular Metric Connectors M12 HOUSING FEMALE FRONT MNT PACKED

21033012003
HARTING
1: $18.28
191In Stock
110Expected 4/9/2026

Mfr. Part No.
21033012003

Mouser Part No
617-21033012003

HARTING

Circular Metric Connectors M12 HOUSING FEMALE FRONT MNT PACKED

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Datasheet

191In Stock

110Expected 4/9/2026

$18.28

$15.53

$14.95

$14.12

View

Min.: 1
Mult.: 1

Hardware

Circular Metric Connectors 4p Male M12 A-Code Panel Feed through

21033111402
HARTING
1: $34.38
182In Stock
351On Order

Mfr. Part No.
21033111402

Mouser Part No
617-21033111402

HARTING

Circular Metric Connectors 4p Male M12 A-Code Panel Feed through

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Datasheet

182In Stock

351On Order

$34.38

$29.23

$27.39

$26.08

View

Min.: 1
Mult.: 1

Connectors

Pin (Male)

Wire

IP65, IP67

Circular Metric Connectors 4P Female M12 A-Code Panel Feed through

21033112400
HARTING
1: $53.24
281In Stock
638On Order

Mfr. Part No.
21033112400

Mouser Part No
617-21033112400

HARTING

Circular Metric Connectors 4P Female M12 A-Code Panel Feed through

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Datasheet

281In Stock

638On Order

$53.24

$45.25

$43.00

$41.62

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Wire

IP67

Circular Metric Connectors M12 D 4p fml angled pcb mount, shielded

21033814440
HARTING
1: $21.50
902In Stock
610Expected 15/9/2026

Mfr. Part No.
21033814440

Mouser Part No
617-21033814440

HARTING

Circular Metric Connectors M12 D 4p fml angled pcb mount, shielded

Learn More

Datasheet

902In Stock

610Expected 15/9/2026

$21.50

$18.26

$16.92

$16.31

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Through Hole

IP20

Circular Metric Connectors M12 GENDER CHANGER X/D CODED PUSH PULL

21033816404
HARTING
1: $109.44
41In Stock
115On Order

Mfr. Part No.
21033816404

Mouser Part No
617-21033816404

HARTING

Circular Metric Connectors M12 GENDER CHANGER X/D CODED PUSH PULL

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Datasheet

41In Stock

115On Order

$109.44

$98.60

$94.36

$88.54

$79.08

Min.: 1
Mult.: 1

Adapters

Socket (Female), Socket (Female)

Pluggable Screw

IP67

Circular Metric Connectors M12 A 4p male angled pcb mount, shielded

21033213401
HARTING
1: $21.83
252In Stock

Mfr. Part No.
21033213401

Mouser Part No
617-21033213401

HARTING

Circular Metric Connectors M12 A 4p male angled pcb mount, shielded

Learn More

Datasheet

252In Stock

$21.83

$18.55

$17.18

$16.56

View

Min.: 1
Mult.: 1

Connectors

Pin (Male)

Through Hole

Circular Metric Connectors M12 A 5p male angled pcb mount, shielded

21033213501
HARTING
1: $22.70
3,067In Stock
6,340On Order

Mfr. Part No.
21033213501

Mouser Part No
617-21033213501

HARTING

Circular Metric Connectors M12 A 5p male angled pcb mount, shielded

Learn More

Datasheet

3,067In Stock

6,340On Order

$22.70

$18.02

$17.33

$16.63

View

Min.: 1
Mult.: 1

Connectors

Pin (Male)

Through Hole

Circular Metric Connectors M12-SD-CC-IDC-4P- ACOD-F-STR-SHLD

21033222410
HARTING
1: $53.01
87In Stock

Mfr. Part No.
21033222410

Mouser Part No
617-21033222410

HARTING

Circular Metric Connectors M12-SD-CC-IDC-4P- ACOD-F-STR-SHLD

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Datasheet

87In Stock

$53.01

$46.29

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Crimp

IP67

Circular Metric Connectors M12 PFT Crmp SD Fmle 4+5pole A-Coded

21038212525
HARTING
1: $49.03
173In Stock
100Expected 4/9/2026

Mfr. Part No.
21038212525

Mouser Part No
617-21038212525

HARTING

Circular Metric Connectors M12 PFT Crmp SD Fmle 4+5pole A-Coded

Learn More

Datasheet

173In Stock

100Expected 4/9/2026

$49.03

$47.57

Min.: 1
Mult.: 1

Connectors

Socket (Female)

Crimp

IP67

Circular Metric Connectors M12 SD PFT MALE D CODE 4 POL

21038811426
HARTING
1: $53.16
272In Stock

Mfr. Part No.
21038811426

Mouser Part No
617-21038811426

HARTING

Circular Metric Connectors M12 SD PFT MALE D CODE 4 POL

Learn More

Datasheet

272In Stock

$53.16

$49.60

$45.25

$43.83

View

Min.: 1
Mult.: 1

Connectors

Without Pin Contacts

Crimp

IP67

Circular Metric Connectors 4P Female M12 A-Code R/A Harax

21011405091
HARTING
1: $45.44
33In Stock

Mfr. Part No.
21011405091

Mouser Part No
617-21-01-140-5091

HARTING

Circular Metric Connectors 4P Female M12 A-Code R/A Harax

Learn More

Datasheet

33In Stock

$45.44

$39.51

$38.87

$34.46

View

Min.: 1
Mult.: 1

Connectors

Socket (Female)

IDC

IP65, IP67

Circular Metric Connectors BlindingCapfor Fw/eyelet

21010000030
HARTING
1: $17.95
10In Stock
5Expected 1/9/2026

Mfr. Part No.
21010000030

Mouser Part No
617-21010000030

HARTING

Circular Metric Connectors BlindingCapfor Fw/eyelet

Learn More

Datasheet

10In Stock

5Expected 1/9/2026

$17.95

$15.25

$14.29

$13.61

View

Min.: 1
Mult.: 1

Accessories

Circular Metric Connectors har-speed wall bracket

21010000036
HARTING
1: $9.00
139In Stock

Mfr. Part No.
21010000036

Mouser Part No
617-21010000036

HARTING

Circular Metric Connectors har-speed wall bracket

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Datasheet

139In Stock

$9.00

$7.64

$6.98

$6.81

View

Min.: 1
Mult.: 1

Hardware

Circular Metric Connectors 4P Male M12 A-Code R/A Harax

21011405081
HARTING
1: $41.18
9In Stock

Mfr. Part No.
21011405081

Mouser Part No
617-21011405081

HARTING

Circular Metric Connectors 4P Male M12 A-Code R/A Harax

Learn More

Datasheet

9In Stock

$41.18

$37.21

$35.35

$33.85

View

Min.: 1
Mult.: 1

Connectors

Pin (Male)

IDC

IP65, IP67

Circular Metric Connectors M12 D-CODED GENDER CHANGER PUSH PULL

21033816403
HARTING
1: $95.55
2In Stock

Mfr. Part No.
21033816403

Mouser Part No
617-21033816403

HARTING

Circular Metric Connectors M12 D-CODED GENDER CHANGER PUSH PULL

Learn More

Datasheet

2In Stock

$95.55

$85.56

$80.20

$76.38

$72.73

Min.: 1
Mult.: 1

Adapters

Socket (Female), Socket (Female)

Pluggable Screw

IP67

Circular Metric Connectors M12 SD PFT MALE A CODE 8 POL

21038211825
HARTING
1: $53.92
44In Stock
30Expected 15/9/2026

Mfr. Part No.
21038211825

Mouser Part No
617-21038211825

HARTING

Circular Metric Connectors M12 SD PFT MALE A CODE 8 POL

Learn More

Datasheet

44In Stock

30Expected 15/9/2026

$53.92

$48.46

$46.39

$43.26

View

Min.: 1
Mult.: 1

Connectors

Without Pin Contacts

Crimp

IP67

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