How is the waterproof level of J1939 cable connectors classified?
The waterproof level of J1939 cable joints is classified according to the IP (Ingress Protection) protection level standard developed by the International Electrotechnical Commission (IEC). Specifically, as follows:
IPX0： Without waterproof protection, there are no waterproof protection requirements for the product.
IPX1： Under normal operating conditions, the connecting cable can provide waterproof protection equivalent to 3-5 millimeters per minute of rainfall for 10 minutes without water leakage.
IPX2： Basically the same as IPX1, but it can pass the waterproof test with a 15 degree upward tilt in all directions without leaking water.
IPX3： It can provide splash waterproof protection at a 60 degree angle and withstand a flow rate of 10 liters per second and a pressure of 80N/m-100N/m for 2-5 minutes without leaking water.
IPX4： Similar to IPX3, but can provide all-round and angle splash waterproof protection without water leakage.
IPX5： It can provide all-round and angular waterproof protection, and can withstand a flow rate of 12.5 liters/second and a pressure of 30N/m for 2-3 minutes without leaking water.
IPX6： It can achieve waterproof protection against large waves, and can withstand a depth of 3 meters underwater, a flow rate of 100 liters per minute, and a pressure of 100N/m for 2-3 minutes without leaking water.
IPX7： Soak 1 meter underwater for 30 minutes without leaking water.
IPX8： It can be completely waterproof and can be used continuously in water for a long time without leakage.
IP69K： Capable of withstanding the hot steam erosion test defined in EN60529 and DIN40050-9, providing protection against water pressure of 100 bar (1450 psi) and temperature of 80 º C. The pressure is directly applied to the sensor, progressing at 30 degrees (0, 30, 60, and 90 degrees) for a total of 120 seconds (2 minutes) at each angle, preventing water from entering.
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