RS PRO Industrial Circular Connectors, 3, 3 Contacts, Cable, In-Line, SP21 Connector, Plug and Socket, Male and Female

Bulk discount available

Subtotal (1 set)*

£18.19

(exc. VAT)

£21.83

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 09 February 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.:
304-414
Brand:
RS PRO
Find similar products by selecting one or more attributes.
Select all

Brand

RS PRO

Number of Contacts

3, 3

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

Mating Type

Threaded Coupling

Shell Size

21mm

Housing Material

Nylon 66, PC

Pole Format

3P

Contact Plating

Gold

Shielded/Unshielded

Unshielded

Strain Relief

No

Maximum Operating Temperature

85°C

Minimum Operating Temperature

-40°C

Outer Diameter

29, 29.3mm

Contact Material

Brass

COO (Country of Origin):
CN

RS PRO Industrial Circular Connector, IP68 Waterproof, 3 Contacts


This RS PRO industrial circular connector is designed for robust applications requiring high water resistance and reliable performance. With an IP68 rating, it ensures protection against dust and water ingress, making it ideal for harsh environments. The connector offers flexibility with panel mount, cable mount, and in-line cable mount options, suitable for both cable-to-cable and cable-to-panel connections.

Features and Benefits


IP68 Waterproof Rating: Provides excellent protection against dust and water, ensuring durability in harsh conditions

Threaded Coupling: Offers secure and reliable connections, preventing accidental disconnection

Multiple Mounting Options: Available in panel mount, cable mount, and in-line cable mount, providing installation flexibility

90-Degree Cable Mount Option: Enhances installation versatility in confined spaces

Gold-Plated Contacts: Ensures reliable electrical performance and corrosion resistance

High Voltage and Current Rating: Supports up to 500 V AC and 30 A, suitable for demanding applications

Applications


Industrial automation
Outdoor equipment
Marine environments
Heavy machinery

Additional Information


Housing Material: Made from durable Nylon 66 and Polycarbonate for enhanced strength and longevity

Contact Material: Brass contacts for robust electrical connectivity

Operating Temperature Range: Suitable for environments from -40 °C to 85 °C

Termination Method: Solder connections for secure and stable electrical contact

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.

Related links