The 4PT type electrical connector is suitable for electrical connections in both DC and AC circuits. The plug and socket can be equipped with shielded or unshielded tail caps as per requirements, and the type without tail caps can also be selected.
4PT Series 4 Way IP67 or IP68 Sealed Connector – A High-Reliability Connection Solution Designed for Extreme Environments:
Provides an "ultra-reliable, wide-adaptability, flexible-configurable" electrical connection solution for extremely harsh environments.
| Parameter | Value |
|---|---|
| Parameter | Specification |
| Ambient Temperature | -60℃ to +400℃ |
| Vibration | 1 ~ 2000 Hz, 10g |
| Shock Acceleration | 300g (single impact), 150g (multiple impacts) |
| Contact Resistance | 1.0 mΩ |
| Insulation Resistance | ≥ 1000 MΩ (under normal conditions) |
| Operating Voltage | ≥ 350V |
| Mechanical & Operational Life | 250 mating cycles, minimum 100 hours |
| Warranty Period | 12 years |
| Technical Specification | 5E0.363.121TY |
Aerospace & Aviation: Aircraft engines, airborne equipment, spacecraft; designed for extreme temperatures and high vibration.
High-Temperature Industry: Metallurgy, glass manufacturing, petrochemical facilities; operates reliably from -60°C to +400°C.
Power Distribution: AC/DC circuits, high-current applications (up to 329A); available with 2 to 47 contacts.
Military Equipment: Ground support systems, shipboard equipment; meets military standards.
Specialized Equipment: Communication devices, instrumentation, and custom non-standard applications requiring high insulation resistance and low contact resistance.
Power & Signal Transmission: Enables reliable electrical connections in both DC and AC circuits.
EMC Adaptation: Offers shielded/unshielded backshell options to meet various anti-interference requirements.
Extreme Environment Operation: Withstands temperatures from -60°C to +400°C, plus vibration and shock resistance for harsh conditions.
Flexible Configuration & Customization: Available in multiple shell sizes and contact counts, with domestic alternative (PRG Series) and custom processing support.
Contact Characteristics
| Shell Size—Number of Contacts—Group No. | Current per Contact (A) | Total Connector Current (A) | Insertion/Extraction Force (kg) |
|---|---|---|---|
| 20-2-6 | 10 | 20 | 4.0 |
| 28-4-8 | 10 | 40 | 3.5 |
| 28-7-9 | 10 | 70 | 14.5 |
| 40-16-4 | 10 | 160 | 36.0 |
| 48-26-3 | 9 | 234 | 55.0 |
| 60-47-3 | 7 | 329 | 100.0 |
Basic Circuit Connection: Used for electrical connections in DC and AC circuits to enable signal or power transmission.
Multiple Configuration Options: Plugs and sockets can be equipped with shielded or unshielded backshells, or without backshells, to meet different electromagnetic compatibility and installation requirements.
Adapts to Harsh Environments: Features high-temperature resistance (-60°C to +400°C), vibration resistance, and shock resistance, making it suitable for harsh operating conditions.
Standardization and Customization: The domestically produced model is PRG, offering multiple shell sizes and contact combinations, with support for custom processing.
The 4PT 4 Way IP67 or IP68 Sealed Connector Using high-temperature-resistant materials and threaded connection structure, with flexible selection of shielded/non-shielded tail caps, it offers 5 types of housing sizes, 2 to 47 cores, single-hole 10A, and a maximum total current of 329A. This combination ensures reliable electrical connection in extreme environments ranging from -60℃ to +400℃.
Material Design: High-temperature resistant insulator + low-resistance contacts, suitable for up to 400°C.
Structural Design: Threaded coupling + flange mounting, withstands 10g vibration / 300g shock.
Electrical Design: 10A per contact, total current up to 329A, contact resistance as low as 1.0mΩ.
Shielding Design: Optional shielded/unshielded backshells to adapt to different electromagnetic environments.
Specification Design: 5 shell sizes, 2 to 47 contacts flexible combination, supports domestic customization (PRG Series).

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Q: Where is this connector used?
A:Used in DC/AC circuits for signal or power connections, especially suitable for extreme environments such as aerospace, aviation, and high-temperature industries.
Q: What is the maximum temperature it can withstand?
A:Operating temperature range: -60°C to +400°C.
Q: How to distinguish between shielded and unshielded versions?
A:Check the backshell: A shielded backshell is used for circuits requiring electromagnetic interference protection; an unshielded backshell or without backshell is for general circuits.
Q: How many specifications are available?
A:A total of 5 shell sizes, with 2 to 47 contacts optional, and a maximum current of 10A per contact.
Ready to discuss your connector requirements? Our technical team is here to help you find the perfect solution for your application.
The 4PT 4 Way IP67 or IP68 Sealed Connector is mainly used in aerospace, military equipment, high-temperature industries and special electrical circuits. It is particularly suitable for scenarios that require high reliability connections in extreme temperatures ranging from -60℃ to +400℃ and in environments with strong vibration and shock.Welcome your inquiry!
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