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
Change category view
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 24 PLUG 9 POS PIN RED ARGMNT
Datasheet
39In Stock
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 23 POS PIN RED ARGMNT
Datasheet
176Expected 09/03/2026
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 31 POS SOCKET RED ARGMNT
Datasheet
194Expected 10/03/2026
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 18 PLUG 8 POS SOCKET RED ARGMNT
Datasheet
199Expected 21/05/2026
Min.: 1
Mult.: 1

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 18 PLUG 14 POS PIN STND ARGMNT
Datasheet
185Expected 10/04/2026
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 31 POS PIN RED ARGMNT
Datasheet
399On Order
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Circular Metric Connectors MULTI-HUB TEE NMEA 2000
Datasheet
49Expected 08/06/2026
Min.: 1
Mult.: 1

IP67
Amphenol SINE Systems Standard Circular Connector SZ 24 RCPT 18 POS PIN STND ARGMNT
Datasheet
6In Stock
More Info Available
Min.: 1
Mult.: 1

Connectors Pin (Male) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 18 PLUG 20 POS SOCKET RED ARGMNT
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 200
Mult.: 200

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 19 POS SOCKET RED ARGMNT
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 200
Mult.: 200

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Connector SZ 24 PLUG 23 POS SOCKET STND ARGMNT
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 200
Mult.: 200

Connectors Socket (Female) Crimp IP67, IP69K
Amphenol SINE Systems Standard Circular Contacts CONTACT FEMALE 3.6MM Silver Plaiting
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1 000
Mult.: 1 000

Contacts Socket (Female) Crimp
Amphenol SINE Systems Standard Circular Contacts PIN CONTACT 2.5MM 10U GOLD PLATING
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1
Reel: 1 000

Contacts Pin (Male) Crimp
Amphenol SINE Systems Standard Circular Contacts PIN CONTACT 2.5MM 15U GOLD PLATING
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1
Reel: 1 000

Contacts Pin (Male) Crimp
Amphenol SINE Systems Standard Circular Contacts PIN CONTACT 2.5MM 30U GOLD PLATING
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1
Reel: 1 000

Contacts Pin (Male) Crimp
Amphenol SINE Systems Standard Circular Contacts SOCKET CONTACT 2.5MM 10U GOLD PLATING
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1
Reel: 1 000

Contacts Socket (Female) Crimp
Amphenol SINE Systems Standard Circular Contacts SOCKET CONTACT 2.5MM 15U GOLD PLATING
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1
Reel: 1 000

Contacts Socket (Female) Crimp
Amphenol SINE Systems Standard Circular Contacts SOCKET CONTACT 2.5MM 15U GOLD PLATING
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1
Reel: 1 000

Contacts Socket (Female) Crimp
Amphenol SINE Systems Standard Circular Contacts SOCKET CONTACT 2.5MM 30U GOLD PLATING
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1 000
Mult.: 1 000
Reel: 1 000

Contacts Socket (Female) Crimp
Amphenol SINE Systems Standard Circular Contacts SOCKET CONTACT 2.5MM 30U GOLD PLATING
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1 000
Mult.: 1 000
Reel: 1 000

Contacts Socket (Female) Crimp