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ERA.2S.304.CLL LEMO ERA.2S.304.CLL is a 4-position circular receptacle with gold-plated contacts, solder cup termination, and push-pull locking. Rated for 15A, it features a shielded brass shell with chrome finish and IP50 ingress protection.
Mfr Part #:

ERA.2S.304.CLL

Available from 1 distributors
Mfr Name: Lemo
Lemo
LEMO ERA.2S.304.CLL is a 4-position circular receptacle with gold-plated contacts, solder cup termination, and push-pull locking. Rated for 15A, it features a shielded brass shell with chrome finish and IP50 ingress protection.
Total Stock: 44 pcs

ERA.2S.304.CLL Available from 1 distributor

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44 pcs On Request 1 On Request On Request On Request On Request On Request

ERA.2S.304.CLL Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Bucket Diameter
Cable Outer Diameter
Climatical Category
Color
Connector Type
Contact Diameter
Contact Finish
Contact Resistance
Current Rating
Current Rating (Amps)
Dimensions (mm)
Failure Rate
Fastening Type
Humidity
Ingress Protection
Insulator Material
Keying
Material Flammability Rating
Mating Cycles
Max Conductor Size
Mounting Feature
Mounting Type
Number of Positions
Operating Temperature
Orientation
Primary Material
Salt Spray Corrosion
Shell Finish
Shell Material
Shell Size
Shielding
Shielding Effectiveness (Minimum @ 1 GHz)
Shielding Effectiveness (Minimum @ 10 MHz)
Shock
Termination
Test Voltage
Thread Size
Vibration
Weight
Wire Gauge

ERA.2S.304.CLL Description

Short technical summary and product information.

The LEMO ERA.2S.304.CLL is a 4-position circular receptacle from the S Series (Indoor Stepped Insert). It features a fixed panel front mount with bulkhead rear side nut fixing. The connector uses a push-pull locking mechanism and hermaphroditic keying with a half-moon insert and female pin 1 for orientation.

 

Electrical specifications include a current rating of 15 A, contact resistance of 3.6 mOhm maximum, and test voltage of 1700 V AC / 2400 V DC. The contacts are gold-plated and terminated via solder cups, accepting wire gauges from 28 AWG to 20 AWG (max conductor 0.5 mm²). The insulator is made of PEEK with UL94 V-0 flammability rating.

 

The shell is machined from brass with chrome plating per SAE AMS 2460, and the latch sleeve and mid pieces are nickel-plated brass. The connector is shielded with 75 dB attenuation at 10 MHz and 40 dB at 1 GHz. Environmental ratings include IP50 dust protection, operating temperature range -55°C to 250°C, and 5000 mating cycles endurance.

ERA.2S.304.CLL Quick Information

Product Type: Circular Connector Assembly
Series: S - Indoor Stepped Insert
Canonical Name: LEMO S Series 2S Size 4-Position Circular Receptacle with Solder Cup Termination
Subcategory: Receptacle

ERA.2S.304.CLL Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ERA.2S.304.CLL Features

  • 4-position circular receptacle with gold contacts.
  • Push-pull locking for quick and secure mating.
  • Rated for 15 A continuous current.
  • Shielded brass shell with chrome finish.
  • IP50 dust protected and -55°C to 250°C range.

ERA.2S.304.CLL Applications

  • Suitable for indoor signal and power connections.
  • Used in test and measurement equipment.
  • Ideal for medical device interconnects.
  • Applied in industrial control systems.

ERA.2S.304.CLL FAQs

6 frequently asked questions generated from this part’s specifications.
How many positions does the ERA.2S.304.CLL have?

It has 4 positions (low voltage contacts).

What is the current rating of this connector?

The current rating is 15 A.

What type of termination does it use?

It uses solder cup termination.

What is the operating temperature range?

-55°C to 250°C.

What is the ingress protection rating?

IP50 (dust protected).

What wire gauge does it accept?

28 AWG to 20 AWG (max conductor 0.5 mm²).

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