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China M40 Cable Circular Power Plug Waterproof Connector - IP67 Bayonet Coupling for High Voltage - Factory Suppliers
Product Feature
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
| Pins No. | 2 | 3 | 4 | 5 | 2+4 | 3+9 |
| Connecting Mode | Crimp & Screw Locking | |||||
| 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.
Contact Us
Frequently Asked Questions
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Q What is the IP rating of the M40 Series waterproof connector?The M40 Series connector achieves an IP67 waterproof rating when fully mated, meaning it is protected against dust ingress and temporary immersion in water up to 1 meter for 30 minutes.
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Q What is the maximum current rating available for the M40 connector?The M40 Series supports a maximum rated current of 150A at 600V for the 2-pin configuration. Different pin arrangements offer varying current ratings — from 50A to 150A depending on the model selected.
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Q Does the M40 connector require soldering during installation?No. The M40 Series uses a crimping wiring method — no screws and no soldering are required. This makes installation faster, cleaner, and more reliable in the field.
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Q What pin configurations are available for the M40 Series?The M40 Series is available in 2Pin, 3Pin, 4Pin, 5Pin, 2+4Pin, and 3+9Pin configurations to accommodate a wide variety of application requirements.
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Q Are OEM and ODM customization options available?Yes. We fully support OEM and ODM customization, including custom current ratings, pin arrangements, housing colors, and special certifications. Please contact our team to discuss your specific requirements.
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Q What certifications does the M40 Series connector hold?The M40 Series has passed rigorous testing and holds certifications including UL, CE, CQC, TUV, RoHS, CCC, and IP67/IP68 ratings. We can also apply for additional certifications based on your project needs.