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China M40 Cable Circular Power Plug Waterproof Connector - IP67 Bayonet Coupling Suppliers & Factory
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China M40 Cable Circular Power Plug Waterproof Connector - IP67 Bayonet Coupling Suppliers & Factory

The M40 Series connectors are high-performance IP67-rated products featuring a robust bayonet coupling design. Manufactured in China, these connectors are ideal for applications in battery systems and new energy storage due to their impressive rated current and voltage capabilities. Compared to other models, the M40 stands out with a larger shell and enhanced current range, making it a durable option for both indoor and outdoor use, as well as underwater environments. As trusted suppliers and factory manufacturers, we ensure that the M40 connectors provide a watertight connection, making them perfect for any application requiring reliable sealing conditions
  • Diamter Range MAX ø 25.0mm
  • Operating Tem. -40℃~105℃

PRODUCT FEATURE

Jnicon M40 Cable Circular Power Plug Waterproof Connector
M40 Series connectors mainly feature:
  • Bayonet structure, simple and quick locking design, safe and reliable.
  • Crimping wiring way, no screws, no soldering needed.
  • Different current rated options: 150A max., welcome ODM.
  • Different pins arrangement: 2Pin, 3Pin, 4Pin and 5Pin.
  • Electric Shock protection design in Contact Pins.
  • IP67 Waterproof rating (when mated).
  • Massive used in Photovoltaic Inverter power equipments.

Product Specification

Connecting Mode

Crimp & Screw Locking

Pins No.

2

3

4

5

2+4

3+9

Rated Current

150A
600V

120A
600V

50A
500V

120A +10A
600V+300V

50A +10A
500V+300V

Contact Diameter X No.

ø 8.0

ø 6.0

ø 3.6

ø 6.0+ø 1.5

ø 3.6 +ø 1.5

Withstanding Voltage

5000V

3000V

2000V

3000V

Protective Level

IP67

Cable Gauge

4mm²-35.0mm²
(10-2AWG)

4.0mm²-25.0mm²
(10-3AWG)

1.0mm²-6.0mm²
(18-9AWG)

2.0mm²-16.0mm²
(14-6AWG)

1.0mm²-6.0mm²
(18-9AWG)

Diameter Range

MAX ø 25.0mm

Operating Temp.

-40℃ ~ 105℃

Copper Needles Material

Copper Alloy

Flame Resistant

94-V0

Our Services

We assist you in choosing the most suitable product for your application.

Solid technical support from our sales team and R&D department combined.

Production photos and videos supplied for every order you place.

Fast shipping services backed by our factory-direct supply chain.

Quality after-sales support including a 5-year warranty coverage.

OEM and ODM customization options are fully supported.

Certifications

Our products have passed rigorous testing and earned certifications from UL, CE, CQC, TUV, RoHS, CCC, plus IP67/IP68 ratings.
Contact us today and we'll send you high-definition images of all our certification credentials!
With premium quality as our cornerstone, we are also capable of applying for any extra certifications you need.

UL CE CQC TUV RoHS CCC IP67 / IP68
Certifications

Contact Us

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Frequently Asked Questions
Q What is the maximum current rating of the M40 Series connector?
The M40 Series connector supports a maximum current rating of 150A (at 600V) for the 2-pin configuration. Other pin configurations offer different ratings: 3-pin and 4-pin support up to 120A at 600V, while the 5-pin version is rated at 50A at 500V.
Q What waterproof rating does the M40 Series connector offer?
The M40 Series connector achieves an IP67 waterproof protection rating when fully mated, making it suitable for outdoor and harsh environment applications such as photovoltaic inverter power equipment.
Q What wiring method is used for the M40 Series connector?
The M40 Series uses a crimping wiring method combined with a screw locking mechanism. No soldering is required, making installation faster, cleaner, and more reliable in the field.
Q What operating temperature range does the M40 Series connector support?
The M40 Series connector is rated for an operating temperature range of -40°C to +105°C, ensuring reliable performance in both extreme cold and high-heat environments.
Q Are OEM and ODM customization options available for the M40 Series?
Yes, we fully support OEM and ODM customization. This includes custom pin arrangements, current ratings, cable gauges, and branding. Please contact our sales team to discuss your specific requirements.
Q What certifications does the M40 Series connector hold?
Our M40 Series connectors have passed rigorous testing and hold certifications including UL, CE, CQC, TUV, RoHS, CCC, and IP67/IP68 ratings. We can also assist in applying for additional certifications based on your market or project requirements.