1[OEM NUMBER] The OEM number of the proximity switch is 70180312, which has strong compatibility. 2[APPLICABLE MODELS] Perfect suitable for JCB 3CX 4CX 520 526 530 52870 53170 54170 excavator models. 3[HIGH SENSITIVITY] The sensor has high sensitivity and accuracy, which makes the operation efficient and safe. 4[WORKING VOLTAGE] The normal working voltage of the switch sensor is 624V, which has a wide range of applications. 5[GOOD DURABILITY] Using excellent materials, lightweight and compact, with good durability and corrosion resistance. Item Type: Proximity SwitchModel: TOSD-04-282Conventional Working Voltage: 6-24VOEM: 701-80312Application: Suitable for JCB 3CX 4CX 520 526 530 528-70 531-70 541-70 1 x Proximity Switch Please pay attention to electricity safety when using.