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 (JPY) 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 24 RCPT 47 POS PIN RED ARGMNT 254In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
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 14 POS PIN RED ARGMNT 92In Stock
100Expected 9/25/2026
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 18 PLUG 20 POS PIN STND ARGMNT 110In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 18 POS SOCKET RED ARGMNT 202In Stock
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 31 POS PIN RED ARGMNT 136In Stock
200Expected 12/17/2026
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 31 POS SOCKET THIN ARGMNT 137In Stock
200Expected 12/1/2026
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 47 POS SOCKET RED ARGMNT 370In Stock
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector 7 Position, Plug, So al Seal, Wide Threa 267In Stock
Min.: 1
Mult.: 1

Plugs Socket (Female) Crimp IP69X
Amphenol SINE Systems Standard Circular Connector HEX NUT GREEN 406In Stock
Min.: 1
Mult.: 1

Accessories


Amphenol SINE Systems Standard Circular Connector SZ 18 Backshell 2 piece 166In Stock
Min.: 1
Mult.: 1

Accessories
Amphenol SINE Systems Standard Circular Contacts SOCKET CONTACT 2.5MM TIN PLATED 1,770In Stock
Min.: 1
Mult.: 1
: 1,000

Contacts Socket (Female) Crimp

Amphenol SINE Systems Standard Circular Connector HD Series 9 Pin PANEL NUT 293In Stock
Min.: 1
Mult.: 1

Accessories
Amphenol SINE Systems Standard Circular Connector Receptacle Cap OBD GREEN 27In Stock
Min.: 1
Mult.: 1

Accessories

Amphenol SINE Systems Standard Circular Connector HD Series 9 Pin Recp Cp w/Rbr TthrOBD BLK 44In Stock
600On Order
Min.: 1
Mult.: 1

Accessories
Amphenol SINE Systems Standard Circular Connector HD Series 9 Pin Recp Cp w/Mtl TthrOBD GRN 294In Stock
Min.: 1
Mult.: 1

Accessories
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 7 POS PIN STND ARGMNT 44In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 7 POS SOCKET STND ARGMNT 74In Stock
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 18 POS SOCKET RED ARGMNT 19In Stock
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 19 POS PIN STND ARGMNT 37In Stock
200Expected 12/15/2026
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 19 POS SOCKET STND ARGMNT 102In Stock
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 19 POS SOCKET RED ARGMNT 13In Stock
200Expected 9/17/2026
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 21 POS PIN STND ARGMNT 14In Stock
200Expected 10/21/2026
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 21 POS PIN RED ARGMNT 12In Stock
200Expected 12/14/2026
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 21 POS SOCKET STND ARGMNT 6In Stock
200On Order
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K