Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
SURE-SEAL CONNECTIONS Circular Connector: MSS-4, Receptacle, 2 Male / 2 Female, 8 A - Sure-Seal Industrial & Automotive Circular Connectors
SURE-SEAL CONNECTIONSSure-Seal Industrial & Automotive Circular Connectors

SURE-SEAL CONNECTIONS Circular Connector: MSS-4, Receptacle, 2 Male / 2 Female, 8 A

The SURE-SEAL Circular Connector: MSS-4 is a Mini Sure-Seal receptacle from SURE-SEAL CONNECTIONS, designed for industrial and automotive applications. It features a 2 Male / 2 Female contact configuration with…

SKU 3G-OTH-09107

Brand
SURE-SEAL CONNECTIONS
Item
Circular Connector: MSS-4, Receptacle, 2 Male / 2 Female, 8 A
Category
Sure-Seal Industrial & Automotive Circular Connectors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SURE-SEAL CONNECTIONS
Manufacturer Part Number
120-8551-102
Series
Mini Sure-Seal
Type
Receptacle, 2 Male / 2 Female, 8 A
IP Rating
IP67
Wire Size
20 to 18 AWG
Contact Type
Crimp
Contact Gender
Male
Voltage Rating
400V AC
Connector Design
Receptacle
Includes Contacts
Contacts Not Included
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SURE-SEAL CONNECTIONS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SURE-SEAL Circular Connector: MSS-4 is a Mini Sure-Seal receptacle from SURE-SEAL CONNECTIONS, designed for industrial and automotive applications. It features a 2 Male / 2 Female contact configuration with crimp-type contacts, rated at 8 A and 400V AC, and accepts 20 to 18 AWG wire. The connector offers an IP67 rating and is supplied without contacts.

Frequently Asked Questions

What is the SURE-SEAL MSS-4 circular connector used for?

The SURE-SEAL MSS-4 circular connector is used in industrial and automotive applications requiring a sealed, reliable connection. Its IP67 rating makes it suitable for harsh environments where dust and water ingress are concerns. 3G Electric supplies this connector globally, supporting maintenance and OEM replacement needs.

What are the specifications of the SURE-SEAL MSS-4 connector?

The SURE-SEAL MSS-4 is a Mini Sure-Seal receptacle with 2 male and 2 female contacts, rated at 8 A and 400V AC. It accepts 20 to 18 AWG wire and uses crimp-type contacts (not included). The IP67 rating ensures protection against dust and temporary water immersion.

Where to buy the SURE-SEAL MSS-4 connector worldwide?

3G Electric supplies the SURE-SEAL MSS-4 connector (MPN 120-8551-102) worldwide. As a global industrial solutions provider, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this Mini Sure-Seal receptacle.

How to install the SURE-SEAL MSS-4 connector?

Install the SURE-SEAL MSS-4 by crimping the appropriate contacts (sold separately) onto 20 to 18 AWG wire, then inserting them into the receptacle until they lock. Ensure the mating plug is fully seated and the seal is intact to maintain the IP67 rating. Always follow the manufacturer's crimp specifications.

Used in

Common applications for SURE-SEAL CONNECTIONS
Automotive wiring harnesses — Sure-Seal SS-2 flanged plug (MPN 120-8552-200) for engine compartment connections
Industrial control panels — Sure-Seal SS-6 plug (MPN 120-1842-000) for sensor and actuator interfaces
Outdoor lighting systems — Sure-Seal connectors with IP67 rating for weatherproof power connections
Heavy equipment — Power Sure-Seal contacts (MPN 030-2244-002) for 10 AWG battery or motor circuits
Marine electronics — Gold-plated crimp contacts (MPN 110238-0409) for corrosion resistance in saltwater environments
Material handling machinery — Sure-Seal boots (MPN 317-8657-002) for cable protection at connector entry points

SURE-SEAL CONNECTIONS Products

3G Electric supplies SURE-SEAL CONNECTIONS sure-seal industrial & automotive circular connectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
SURE-SEAL Circular Connector: MSS-3, Receptacle, 1 Male / 2 Female, 8 A, 20 to 18 AWG Wire Size (MPN 120-8551-101). Key specifications — Wire Size: 20 to 18 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Mini Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL CONNECTIONS
SURE-SEAL Circular Connector: MSS-3, Receptacle, 1 Male / 2 Female, 8 A, 20 to 18 AWG Wire Size (MPN 120-8551-101). Key specifications — Wire Size: 20 to 18 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Mini Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL Circular Connector: MSS-4, Plug, 2 Male / 2 Female, 8 A, 20 to 18 AWG Wire Size, IP67 (MPN 120-8552-102). Key specifications — Wire Size: 20 to 18 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Mini Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL CONNECTIONS
SURE-SEAL Circular Connector: MSS-4, Plug, 2 Male / 2 Female, 8 A, 20 to 18 AWG Wire Size, IP67 (MPN 120-8552-102). Key specifications — Wire Size: 20 to 18 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Mini Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL Circular Connector: MSS-3, Plug, 2 Male / 1 Female, 8 A, 20 to 18 AWG Wire Size, IP67 (MPN 120-8552-101). Key specifications — Wire Size: 20 to 18 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Mini Sure-Seal; Contact Gender: Female; Voltage Rating: 400V AC.
SURE-SEAL CONNECTIONS
SURE-SEAL Circular Connector: MSS-3, Plug, 2 Male / 1 Female, 8 A, 20 to 18 AWG Wire Size, IP67 (MPN 120-8552-101). Key specifications — Wire Size: 20 to 18 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Mini Sure-Seal; Contact Gender: Female; Voltage Rating: 400V AC.
SURE-SEAL Circular Connector: MSS-2, Plug, 1 Male / 1 Female, 8 A, 20 to 18 AWG Wire Size, IP67 (MPN 120-8552-100). Key specifications — Wire Size: 20 to 18 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Mini Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL CONNECTIONS
SURE-SEAL Circular Connector: MSS-2, Plug, 1 Male / 1 Female, 8 A, 20 to 18 AWG Wire Size, IP67 (MPN 120-8552-100). Key specifications — Wire Size: 20 to 18 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Mini Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL CONNECTIONS
SURE-SEAL CONNECTIONS
SURE-SEAL Circular Connector: SS-8, Receptacle, 4 Male / 4 Female, 15 A, 18 to 14 AWG Wire Size (MPN 120-1866-000). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL Circular Connector: SS-3, Receptacle, 2 Male / 1 Female, 8 A, 18 to 14 AWG Wire Size, IP67 (MPN 120-8551-001). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Female; Voltage Rating: 400V AC.
SURE-SEAL CONNECTIONS
SURE-SEAL Circular Connector: SS-3, Receptacle, 2 Male / 1 Female, 8 A, 18 to 14 AWG Wire Size, IP67 (MPN 120-8551-001). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Female; Voltage Rating: 400V AC.

More from SURE-SEAL CONNECTIONS

View all SURE-SEAL CONNECTIONS parts →
SURE-SEAL Circular Connector: SS-2, Plug, 1 Male / 1 Female, 15 A, 18 to 14 AWG Wire Size, IP67 (MPN 120-1807-000). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Female; Voltage Rating: 400V AC.
SURE-SEAL CONNECTIONS
SURE-SEAL Circular Connector: SS-2, Plug, 1 Male / 1 Female, 15 A, 18 to 14 AWG Wire Size, IP67 (MPN 120-1807-000). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Female; Voltage Rating: 400V AC.
SURE-SEAL Circular Connector: SS-3, Plug, 1 Male / 2 Female, 8 A, 18 to 14 AWG Wire Size, IP67 (MPN 120-8552-001). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL CONNECTIONS
SURE-SEAL Circular Connector: SS-3, Plug, 1 Male / 2 Female, 8 A, 18 to 14 AWG Wire Size, IP67 (MPN 120-8552-001). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL Circular Connector: SS-10, Flanged Plug, 5 Male / 5 Female, 15 A, 18 to 14 AWG Wire Size (MPN 120-8552-307). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL CONNECTIONS
SURE-SEAL Circular Connector: SS-10, Flanged Plug, 5 Male / 5 Female, 15 A, 18 to 14 AWG Wire Size (MPN 120-8552-307). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL Circular Connector: SS-3, Receptacle, 1 Male / 2 Female, 15 A, 18 to 14 AWG Wire Size (MPN 120-1805-000). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL CONNECTIONS
SURE-SEAL Circular Connector: SS-3, Receptacle, 1 Male / 2 Female, 15 A, 18 to 14 AWG Wire Size (MPN 120-1805-000). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL Circular Connector: SS-7, Plug, 3 Male / 4 Female, 15 A, 18 to 14 AWG Wire Size, IP67 (MPN 120-1873-000). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL CONNECTIONS
SURE-SEAL Circular Connector: SS-7, Plug, 3 Male / 4 Female, 15 A, 18 to 14 AWG Wire Size, IP67 (MPN 120-1873-000). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL Circular Connector: SS-10, Plug, 5 Male / 5 Female, 15 A, 18 to 14 AWG Wire Size, IP67 (MPN 120-1869-000). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL CONNECTIONS
SURE-SEAL Circular Connector: SS-10, Plug, 5 Male / 5 Female, 15 A, 18 to 14 AWG Wire Size, IP67 (MPN 120-1869-000). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL Circular Connector: MSS-2, Receptacle, 1 Male / 1 Female, 8 A, 20 to 18 AWG Wire Size (MPN 120-8551-100). Key specifications — Wire Size: 20 to 18 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Mini Sure-Seal; Contact Gender: Female; Voltage Rating: 400V AC.
SURE-SEAL CONNECTIONS
SURE-SEAL Circular Connector: MSS-2, Receptacle, 1 Male / 1 Female, 8 A, 20 to 18 AWG Wire Size (MPN 120-8551-100). Key specifications — Wire Size: 20 to 18 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Mini Sure-Seal; Contact Gender: Female; Voltage Rating: 400V AC.
SURE-SEAL Circular Connector: SS-9, Receptacle, 4 Male / 5 Female, 15 A, 18 to 14 AWG Wire Size (MPN 120-1868-000). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.
SURE-SEAL CONNECTIONS
SURE-SEAL Circular Connector: SS-9, Receptacle, 4 Male / 5 Female, 15 A, 18 to 14 AWG Wire Size (MPN 120-1868-000). Key specifications — Wire Size: 18 to 14 AWG; Includes Contacts: Contacts Not Included; Contact Type: Crimp; Brand: SURE-SEAL CONNECTIONS; IP Rating: IP67; Series: Sure-Seal; Contact Gender: Male; Voltage Rating: 400V AC.