NP4-125 Miniature Isolating Switch
NP4-125 Miniature Isolating Switch is designed for safe isolation and manual control in low-voltage distribution systems. Suitable for AC 50Hz circuits up to 400V with a rated current of up to 125A, it is commonly used as a main switch in distribution boards and terminal appliances.
The switch features clear ON/OFF position indication, a locking function for safe maintenance, and a robust mechanism engineered for long mechanical life. It also supports control of small motors, lighting circuits, and low-power electrical equipment. Manufactured in accordance with IEC 60947-3 and GB/T standards, it ensures reliable performance and global compliance.
Ideal for industrial panels, commercial buildings, infrastructure projects, and OEM installations, the NP4-125 delivers dependable isolation, operational safety, and long-term durability.
NP4-125 series miniature isolating switch is suitable for AC 50Hz, rated working voltage 400V and below, rated current 125A and below distribution box control loop, mainly used as the main switch of terminal appliances, but also used to control all kinds of motors, small power electrical appliances and lighting, with obvious sub-, off-state indication and state locking function, super longevity and other advantages, the product conforms to GB144048.3 and IEC 60947-3 standard.
4.1Ambient air temperature: ambient air temperature average not exceeding 35 degrees and degrees within 24H;
4.2Altitude: altitude of installation site not exceeding 2000m;
4.3Atmospheric conditions: the air relative humidity of the installation place does not exceed 50%;
At the maximum temperature of 40 hours above 20°C, the relative humidity does not exceed 90%;
4.4Installation method: adopt standard guideway installation (TH35-7.5);
4.5Pollution class: III class;
4.6Connection mode: screw connection.
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