RS PRO Industrial Circular Connectors, 4, 4 Contacts, Cable, In-Line, SP21 Connector, Plug and Socket, Male and Female
- RS Stock No.:
- 304-418
- Brand:
- RS PRO
Bulk discount available
Subtotal (1 set)*
£18.19
(exc. VAT)
£21.83
(inc. VAT)
FREE delivery for orders over £50.00
Temporarily out of stock
- 5 unit(s) shipping from 20 November 2025
- Plus 20 unit(s) shipping from 22 January 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Set(s) | Per Set |
|---|---|
| 1 - 9 | £18.19 |
| 10 + | £16.74 |
*price indicative
- RS Stock No.:
- 304-418
- Brand:
- RS PRO
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| 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 | Screw | |
| IP Rating | IP68 | |
| Current Rating | 10A | |
| Body Orientation | Straight | |
| Voltage Rating | 500V ac | |
| Mating Type | Threaded Coupling | |
| Shell Size | 21mm | |
| Housing Material | Nylon 66, PC | |
| Pole Format | 4P | |
| Shielded/Unshielded | Unshielded | |
| Contact Plating | Gold | |
| Strain Relief | No | |
| Minimum Operating Temperature | -40°C | |
| Outer Diameter | 29, 29.3mm | |
| Contact Material | Brass | |
| Maximum Operating Temperature | 85°C | |
Select all | ||
|---|---|---|
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 Screw | ||
IP Rating IP68 | ||
Current Rating 10A | ||
Body Orientation Straight | ||
Voltage Rating 500V ac | ||
Mating Type Threaded Coupling | ||
Shell Size 21mm | ||
Housing Material Nylon 66, PC | ||
Pole Format 4P | ||
Shielded/Unshielded Unshielded | ||
Contact Plating Gold | ||
Strain Relief No | ||
Minimum Operating Temperature -40°C | ||
Outer Diameter 29, 29.3mm | ||
Contact Material Brass | ||
Maximum Operating Temperature 85°C | ||
- COO (Country of Origin):
- CN
RS PRO Industrial Circular Connector, IP68 Waterproof, 4 Contacts
The RS PRO Industrial Circular Connector is designed for robust applications requiring high water resistance and reliable performance. With an IP68 rating, it is ideal for environments where protection against dust and water ingress is critical. This connector offers flexibility with options for panel mount, cable mount, and in-line cable mount configurations, making it suitable for a variety of installation needs.
Features and Benefits
IP68 Waterproof Connector: Ensures high water resistance for use in 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 flexibility for installation in tight spaces
Gold-Plated Contacts: Enhances conductivity and reduces corrosion
Durable Housing Material: Made from Nylon 66 and Polycarbonate for long-lasting performance
High Voltage Rating: Supports up to 500 V AC for demanding applications
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 flexibility for installation in tight spaces
Gold-Plated Contacts: Enhances conductivity and reduces corrosion
Durable Housing Material: Made from Nylon 66 and Polycarbonate for long-lasting performance
High Voltage Rating: Supports up to 500 V AC for demanding applications
Applications
Industrial machinery
Outdoor equipment
Marine environments
Automotive systems
Outdoor equipment
Marine environments
Automotive systems
Additional Information
Available in both male and female configurations
Screw termination method for secure connections
Operating temperature range from -40 °C to 85 °C
Unshielded design suitable for various applications
Connector size SP21 with a shell size of 21 mm
Screw termination method for secure connections
Operating temperature range from -40 °C to 85 °C
Unshielded design suitable for various applications
Connector size SP21 with a shell size of 21 mm
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.