A Series™ Connectors

Amphenol Sine Systems A Series™ family of sealed, heavy-duty, multi-pin plastic and metal connectors is made up of 20+ core product lines. The connectors within this family have been developed as a high-performance, cost-effective solution for use with heavy equipment, agricultural, automotive, military, alternate energy, and other demanding interconnect architectures. The A Series Family bridges the gap between controlled and harsh environmental conditions to keep users connected.    

Types of Circular Connectors

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Results: 120
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS Product Contact Gender Termination Style IP Rating
Amphenol SINE Systems Standard Circular Connector SZ 18 PLUG 14 POS SOCKET STND ARGMNT 170In Stock
500On Order
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector 9P JAM MNT DIAGN RCPT SZ 16 PIN CNT 955In Stock
Min.: 1
Mult.: 1

Connectors Without Pin Contacts Crimp IP67
Amphenol SINE Systems Standard Circular Connector 7 Position, Receptac al Seal, Wide Thread 135In Stock
Min.: 1
Mult.: 1

Receptacles Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 18 PLUG 20 POS PIN RED ARGMNT 115In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector 7 Position, Plug, So al Seal, Wide Threa 87In Stock
Min.: 1
Mult.: 1

Plugs Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 35 POS PIN RED ARGMNT 126In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Contacts CONTACT MALE 3.6MM Silver Plaiting 957In Stock
Min.: 1
Mult.: 1

Pin (Male)
Amphenol SINE Systems Standard Circular Connector 6 Position Plug, Pin Size 18, Wide Threa 185In Stock
Min.: 1
Mult.: 1

Plugs Pin (Male) Crimp IP67, IP69X
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 27 POS SOCKET RED ARGMNT 150In Stock
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 31 POS PIN THIN ARGMNT 324In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 27 POS PIN RED ARGMNT 157In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K


Amphenol SINE Systems Standard Circular Connector 2 Position, Plug, So al Seal, Wide Threa 187In Stock
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP69X
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 7 POS SOCKET STND ARGMNT 93In Stock
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 21 POS SOCKET RED ARGMNT 143In Stock
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 18 PLUG 8 POS SOCKET STND ARGMNT 83In Stock
200Expected 9/17/2026
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Contacts 3.6MM CONTACT SOCKT 8-10 AWG 13In Stock
Min.: 1
Mult.: 1

Contacts Pin (Male) Crimp
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 7 POS PIN STND ARGMNT 38In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 18 POS PIN RED ARGMNT 72In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 35 POS PIN RED ARGMNT 87In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector Metal Side Mounting Clip, No Hole 865In Stock
Min.: 1
Mult.: 1

Accessories
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 18 POS PIN STND ARGMNT 69In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 18 POS PIN RED ARGMNT 94In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 18 POS SOCKET RED ARGMNT 91In Stock
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 9 POS PIN RED ARGMNT 39In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K


Amphenol SINE Systems Standard Circular Connector SZ 18 Backshell 2 piece 177In Stock
Min.: 1
Mult.: 1

Accessories