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P-Series Russian Standard Circular Connector

>Number Of CoresNumber Of Cores 2-7Pin
Contact DiameterContact Diameter(mm) 1.0-1.5mm
IP RatingIP Rating IP50
Shell MaterialShell Material Aluminum Alloy
Temperature RangeTemperature Range -60 ℃ to +125 ℃
TerminationTermination Solder / Crimp / PCB Mount
Rated CurrentRated Current(A) 10A-25A
Rated VoltageRated Voltage(Ac.V) 500V
Test VoltageTest Voltage(Ac.V)1Min 1500V
Insulation ResistanceInsulation Resistance (MΩ) 2000MΩ
Contact ResistanceContact Resistance (MΩ) ≤5MΩ
CertificationCertification CE, RoHS,BASCI,ISO9001
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P‑Series Russian Standard Circular Connectors for Rail Transit Applications

Our P‑Series Russian standard circular connectors are engineered specifically for demanding rail transit and rolling stock applications. Designed for robust performance in industrial environments, these connectors deliver durable, low‑maintenance electrical connections that meet the rigorous requirements of rail systems.
P20 Connectors in Russian
Key Models in the P‑Series Connectors

P16K4P Circular Connector – Multipole connector with threaded coupling and reliable electrical contacts. Rated for up to 200 A current and with excellent contact resistance performance, it supports power and signal transmission in control modules and onboard equipment.

P16J4A Circular Connector – A rugged plug‑and‑receptacle pair built on Russian connector standards, suitable for diverse interconnection tasks in rail vehicles. It offers consistent performance across a wide operating temperature range (‑60 °C to +50 °C).

Other P‑Series Variants (e.g., P20, P28, P32, etc.) – Expandable options depending on pin count and application needs, ideal for signaling systems, instrumentation, and modular cable assemblies.

GOST Connectors


Why P‑Series Connectors Excel in Rail Transit

Robust Electrical Performance
P‑Series connectors feature reliable contact interfaces with low contact resistance and high dielectric strength, ensuring consistent power and signal distribution across train systems.

Designed for Harsh Environments
These connectors are built with threaded coupling and durable housings that maintain stable connections under vibration and mechanical stress, essential for rail vehicles that experience constant dynamic loads.

Wide Operating Conditions
Operating from extreme cold to moderate heat (e.g., −60 °C to +50 °C), P‑Series connectors handle the temperature variations encountered in tunnels, open tracks, and depot environments.

Flexible Pin Configurations
Multiple P‑Series sizes and contact arrangements allow engineers to tailor solutions for power distribution, control signals, and data link connections within locomotives, passenger cars, and infrastructure equipment.

Item

Parameters

Number of Cores

2-7Pin

Gender

Male/Female

Housing Material

Aluminum Alloy

Cores Material

Brass Plated with Silver/Gold

Insulator Material

PBT

Locking System

Screw Locking

Temperature Range

-60 ℃ to +125 ℃

Rated Current (A)

10A-25A

Rated Voltage (AC.V)

500V

Test Voltage (AV.C)1Min

1500V

Insulation Resistance ()

2000

Insulation Resistance ()

≤5

Termination

Solder/Crimp


Related Resource


P-Series Russian Standard Circular ConnectorRelated Cases

Customer Reviews

   

Score
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Review Title

Review Text

   Industrial Strength (M12)


MeridianX  2026-02-04

M12 Connectors are sturdy, secure, and perform reliably in demanding environments.
   Long-Lasting Quality


AtlasRipple  2026-02-04

M12 Connectors maintain excellent performance after repeated use.
   Reliable Mini Connector (M5)


EchoNavigator  2026-02-04

M5 Connectors are compact, well-made, and provide a very stable connection.
   Precise Fit


 2026-02-04

M8 Connectors align perfectly and ensure firm electrical contact every time.
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Manufacturer Address:Baoan District, Shenzhen City, Guangdong Province,China

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