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The M8 Waterproof Male-Female Connector is a compact industrial circular interconnect system featuring M8×1.0 threaded coupling and IEC 61076-2-104 compliance. This male-female pair creates sealed, keyed, vibration-resistant connections for 24 VDC sensors, IO-Link devices, photoelectric switches, valve coils, and D-coded 100 Mbps industrial Ethernet applications.
Key Benefits
Ultra-Compact Design: 8mm maximum outer diameter fits where M12 connectors cannot, ideal for miniature applications and tightly packed sensor arrays
Superior Protection: IP67 when mated (IP68 optional) with silicone O-ring, threaded lock, and rear grommet for dust, oil mist, and high-pressure washing resistance
Flexible Installation: Available as field-wireable or overmolded versions for easy customization and repair
Cost-Effective: 33% smaller than M12 with 30-40% lower cost per mated pair
Technical Specifications
Parameter
Specification
Standard
IEC 61076-2-104
Coupling
M8 × 1.0 threaded (~8 mm nut outer diameter)
Gender
Male (pin) ↔ Female (socket)
Pins / Coding
3/4/5/6/8; A / B / D
Rated Current
3 A (3/4-pin A), 3 A (5-pin B), 1 A (6/8-pin)
Rated Voltage
60 V DC (3-pin A), 30 V (4/5-pin), 30 V (D-code Ethernet)
Contact Resistance
≤ 5 mΩ
Insulation Resistance
≥ 100 MΩ @ 500 V DC
Dielectric Strength
1500 V AC / 1 min
Protection Level
IP67 when mated (IP68/IP69K optional)
Cable Outer Diameter
3-6 mm (4-6 / 6-8 dual grommet)
Wire Gauge
0.14-0.34 mm² (26-22 AWG)
Operating Temperature
-25…80 °C dynamic / -40…105 °C static
Shell Material
PA66+GF V0 / nickel-zinc brass
Mating Cycle Life
≥ 500
Certifications
CE, RoHS, REACH
Competitive Advantages
vs. M12 connectors: 33% smaller diameter, lower cost, adequate for 24 VDC sensors
vs. JST/PH headers: Threaded M8 lock with O-ring provides IP67 protection and vibration resistance
vs. Heat-shrink splices: Keyed coding prevents miswiring, reusable with 500-cycle rating
vs. Overmolded-only options: Field-wireable design allows custom lengths and on-site repairs
Application Scenarios
Factory automation sensors and probes
Industrial Ethernet edge devices
Robotics and AGV systems
Outdoor and transport equipment
Packaging and labeling machinery
Medical and laboratory instruments
Solar power systems
Railway telemetry systems
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
October 20
Total Annual:
>50 million RMB
Employee Number:
>100 people+
Ecer Certification:
Verified Supplier
Shenzhen Jianhong Technology Co., Ltd.
Shenzhen Jianhong Technology Co., Ltd. is a professional and reliable manufacturer specializing in the R&D, production and sales of high-quality waterproof connectors. With 20 years of rich manufacturing experience in the connector industry, we have been ...
Shenzhen Jianhong Technology Co., Ltd.
Shenzhen Jianhong Technology Co., Ltd. is a professional and reliable manufacturer specializing in the R&D, production and sales of high-quality waterproof connectors. With 20 years of rich manufacturing experience in the connector industry, we have been ...