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 7 Position, Plug, So al Seal, Wide Threa 92In Stock
200Expected 03/09/2026
Min.: 1
Mult.: 1

Plugs Socket (Female) Crimp IP69X
Amphenol SINE Systems Circular Metric Connectors MULTI-HUB TEE NMEA 2000 44In Stock
105On Order
Min.: 1
Mult.: 1

IP67
Amphenol SINE Systems Standard Circular Connector Metal Side Mounting Clip, 13mm Hole 960In Stock
Min.: 1
Mult.: 1

Accessories
Amphenol SINE Systems Standard Circular Contacts 3.6MM CONTACT PIN 8-10 AWG 59In Stock
Min.: 1
Mult.: 1

Contacts Pin (Male) Crimp
Amphenol SINE Systems Standard Circular Contacts PIN CONTACT 2.5MM GOLD FLASH PLATED 1 095In Stock
Min.: 1
Mult.: 1
: 1 000

Contacts Pin (Male) Crimp
Amphenol SINE Systems Standard Circular Contacts PIN CONTACT 2.5MM GOLD FLASH PLATED 885In Stock
Min.: 1
Mult.: 1
: 1 000

Contacts Pin (Male) Crimp
Amphenol SINE Systems Standard Circular Contacts PIN CONTACT 2.5MM 10U GOLD PLATING 207In Stock
1 000Expected 26/11/2026
Min.: 1
Mult.: 1
: 1 000

Contacts Pin (Male) Crimp
Amphenol SINE Systems Standard Circular Contacts PIN CONTACT 2.5MM 15U GOLD PLATING 643In Stock
Min.: 1
Mult.: 1
: 1 000

Contacts Pin (Male) Crimp
Amphenol SINE Systems Standard Circular Contacts PIN CONTACT 2.5MM 30U GOLD PLATING 721In Stock
Min.: 1
Mult.: 1
: 1 000

Contacts Pin (Male) Crimp


Amphenol SINE Systems Standard Circular Contacts PIN CONTACT 2.5MM TIN PLATED 1 660In Stock
Min.: 1
Mult.: 1
: 2 000

Contacts Pin (Male) Crimp
Amphenol SINE Systems Standard Circular Contacts SOCKET CONTACT 2.5MM GOLD FLASH PLATED 1 114In Stock
Min.: 1
Mult.: 1
: 1 000

Contacts Socket (Female) Crimp
Amphenol SINE Systems Standard Circular Contacts SOCKET CONTACT 2.5MM GOLD FLASH PLATED 937In Stock
Min.: 1
Mult.: 1
: 1 000

Contacts Socket (Female) Crimp
Amphenol SINE Systems Standard Circular Contacts SOCKET CONTACT 2.5MM 10U GOLD PLATING 417In Stock
Min.: 1
Mult.: 1
: 1 000

Contacts Socket (Female) Crimp
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 35 POS SOCKET RED ARGMNT
800On Order
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 21 POS SOCKET RED ARGMNT
198Expected 24/09/2026
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 23 POS PIN STND ARGMNT
200Expected 12/11/2026
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 29 POS PIN RED ARGMNT
319On Order
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 31 POS SOCKET RED ARGMNT
393On Order
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 47 POS SOCKET RED ARGMNT
197Expected 08/09/2026
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp
Amphenol SINE Systems Standard Circular Connector SZ 18 PLUG 8 POS SOCKET RED ARGMNT
200Expected 14/10/2026
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 18 PLUG 14 POS PIN STND ARGMNT
375On Order
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 18 PLUG 14 POS PIN RED ARGMNT
200Expected 02/09/2026
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 18 PLUG 20 POS SOCKET STND ARGMNT
480On Order
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 18 PLUG 20 POS SOCKET RED ARGMNT
200Expected 13/10/2026
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 21 POS PIN STND ARGMNT
198Expected 23/10/2026
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K