RS PRO Industrial Circular Connectors, 4, 4 Contacts, Cable, In-Line, SP21 Connector, Plug and Socket, Male and Female

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Subtotal (1 set)*

£18.19

(exc. VAT)

£21.83

(inc. VAT)

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  • Plus 10 unit(s) shipping from 27 October 2025
  • Plus 30 unit(s) shipping from 13 November 2025
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Set(s)
Per Set
1 - 9£18.19
10 +£16.74

*price indicative

RS Stock No.:
304-417
Brand:
RS PRO
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Brand

RS PRO

Number of Contacts

4, 4

Mounting Type

Cable, In-Line

Connector Size

SP21

Plug/Socket

Plug, Socket

Contact Gender

Female, Male

Termination Method

Solder

IP Rating

IP68

Current Rating

30A

Body Orientation

Straight

Voltage Rating

500V ac

Shell Size

21mm

Mating Type

Threaded Coupling

Housing Material

Nylon 66, PC

Pole Format

4P

Shielded/Unshielded

Unshielded

Contact Plating

Gold

Strain Relief

No

Contact Material

Brass

Outer Diameter

29, 29.3mm

Maximum Operating Temperature

85°C

Minimum Operating Temperature

-40°C

COO (Country of Origin):
CN

RS PRO Industrial Circular Connector, 4 Contacts, IP68 Waterproof, Threaded Coupling


The RS PRO Industrial Circular Connector is designed for robust applications requiring high water resistance and reliable performance. With an IP68 rating, this connector is ideal for environments where moisture protection is critical. It offers flexibility with options for panel mount, cable mount, and in-line cable mount configurations, making it suitable for both cable-to-cable and cable-to-panel connections.

Features and Benefits


IP68 Waterproof Connector: Ensures high water resistance for use in wet or harsh environments

Threaded Coupling: Provides secure and reliable connections

Multiple Mounting Options: Available in panel mount, cable mount, and in-line cable mount for versatile installation

90-Degree Cable Mount Option: Offers additional installation flexibility

Gold-Plated Contacts: Enhances conductivity and reduces corrosion

High Voltage Rating of 500 V AC: Suitable for demanding electrical applications

Durable Housing Material: Made from Nylon 66 and Polycarbonate for long-lasting use

Applications


Industrial automation
Marine equipment
Outdoor lighting
Heavy machinery

Additional Information


Available in male and female contact genders
Contact material: Brass
Operating temperature range: -40 °C to 85 °C
Current rating: 30 A
Termination method: Solder

Why RS PRO?


RS PRO is the own brand of RS, offering professional quality products and solutions across all industries and technologies. Our product range is rigorously tested, inspected, and audited against demanding international standards to provide you with industrial-grade quality, at the right price. Making RS PRO your smart choice.

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