LEMO Circular Connector, 4 Contacts, Cable Mount, Socket, Female, IP50, 1S Series
- RS Stock No.:
- 173-2180
- Mfr. Part No.:
- PCA.1S.304.CLLC52
- Brand:
- LEMO
Bulk discount available
Subtotal (1 unit)*
£33.76
(exc. VAT)
£40.51
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- Plus 115 unit(s) shipping from 27 October 2025
- Plus 20 unit(s) shipping from 27 October 2025
- Plus 25 unit(s) shipping from 04 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 - 4 | £33.76 |
| 5 - 9 | £32.75 |
| 10 - 19 | £31.73 |
| 20 - 49 | £30.72 |
| 50 + | £29.04 |
*price indicative
- RS Stock No.:
- 173-2180
- Mfr. Part No.:
- PCA.1S.304.CLLC52
- Brand:
- LEMO
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | LEMO | |
| Number of Contacts | 4 | |
| Mounting Type | Cable Mount | |
| Plug/Socket | Socket | |
| Contact Gender | Female | |
| Termination Method | Solder | |
| IP Rating | IP50 | |
| Current Rating | 10.0A | |
| Body Orientation | Straight | |
| Series | 1S | |
| Shell Size | 1 | |
| Housing Material | Brass | |
| Minimum Operating Temperature | -55°C | |
| Maximum Operating Temperature | +250°C | |
Select all | ||
|---|---|---|
Brand LEMO | ||
Number of Contacts 4 | ||
Mounting Type Cable Mount | ||
Plug/Socket Socket | ||
Contact Gender Female | ||
Termination Method Solder | ||
IP Rating IP50 | ||
Current Rating 10.0A | ||
Body Orientation Straight | ||
Series 1S | ||
Shell Size 1 | ||
Housing Material Brass | ||
Minimum Operating Temperature -55°C | ||
Maximum Operating Temperature +250°C | ||
- COO (Country of Origin):
- CH

Lemo Circular Connector
The Lemo 1S series 4-contacts circular connector receptacle has a female socket and male pins solder cup. This cable mount connector has a current rating of up to 10A. This connector features a highly precise push-pull latching system with high durability strain relief collets and in-built keying to prevent mismating. It has a rugged and robust design for every environmental and mechanical requirement in indoor and outdoor applications. It is made from chrome-plated brass with a collet nut and nickel-plated brass latch sleeve. This range offers three sizes of fully populated cable mount plugs and panel/PCB mount sockets with optional collets and strain reliefs to cover a wide range of cable sizes.
S series cylindrical connectors
Series of metal multi-pin connectors with very compact dimensions
Fitted with a push-pull locking system, for great speed of use. Absolute protection against vibration, shock and accidental pulling on the cable
Available in 3 different sizes (0S, 1S and 2S) with different contact layouts
The correct keyway is ensured by an insulating unit (both male and female)
S series cylindrical connectors
Series of metal multi-pin connectors with very compact dimensions
Fitted with a push-pull locking system, for great speed of use. Absolute protection against vibration, shock and accidental pulling on the cable
Available in 3 different sizes (0S, 1S and 2S) with different contact layouts
The correct keyway is ensured by an insulating unit (both male and female)
Features and Benefits
Straight body orientation
Solder termination
Cable acceptance ranges between 4.20mm and 5.20mm
Easy cable assembly
EMC shielding of 360°
Endurance is 5000 mating cycles
High vibration and shock resistance
Impedance is 50ohm
Operating temperature ranges between -55°C and 250°C
Waterproof and UV resistance capabilities
Solder termination
Cable acceptance ranges between 4.20mm and 5.20mm
Easy cable assembly
EMC shielding of 360°
Endurance is 5000 mating cycles
High vibration and shock resistance
Impedance is 50ohm
Operating temperature ranges between -55°C and 250°C
Waterproof and UV resistance capabilities
Applications
Audio/video application
Medical devices
Research
Test and measurement instrumentation
Medical devices
Research
Test and measurement instrumentation
Certifications
IP50 rated
UL approved
UL approved
Related links
- LEMO Circular Connector Cable Mount Female 1S Series
- LEMO Circular Connector Cable Mount Female 1S Series
- LEMO Circular Connector Cable Mount Female 1S Series
- LEMO Circular Connector Cable Mount Female 2S Series
- LEMO Circular Connector Cable Mount Female 1S Series
- LEMO Circular Connector Panel Mount Female 1S Series
- LEMO Circular Connector Cable Mount Male and Female Contacts 1S Series
- LEMO Circular Connector Cable Mount Female 2S Series
