Factory making XJM7-K Measuring Box (Outdoor Street Lamp Measurement Control Box) Supply to Colombia
Exterior and dimensions
To be the stage of realizing dreams of our employees! To build a happier, more united and more professional team! To reach a mutual benefit of our customers, suppliers, the society and ourselves for Factory making XJM7-K Measuring Box (Outdoor Street Lamp Measurement Control Box) Supply to Colombia, With the aim of "compete with good quality and develop with creativity" and the service principle of "take customers' demand as orientation", we will earnestly provide qualified products and good service for domestic and international customers.
XJM7-K measuring cabinet (outdoor street lamp measurement control box) is suitable in power supply line with AC 50HZ, rated voltage(0-380V), as the street lights control of industrial mine, residential quarters, schools and other buildings. Also can be used for control neon lights , underwater lighting, Street lights on/off time and with leakage protection.
In line with GB7251.1-1997 and GB7251.3-1997 standards.
UPA-6 produced load in conjunction with the current transformer 10000/5А, connected with four 1-metre long current leads with a cross-section of ф110 mm². Current on the transformer was measured with a comparator. Current adjustment was done with the voltage transformer RNO-80. Voltage was measured with the voltmeter of the voltage transformer RNO, current was measured with a clamp.
We set 6 kA, compared with the readings of reference measuring instruments and allowed 1 minute for the overheating protection to be activated.