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What is the basic principle of the surge protection device remote signal terminal and how does it achieve communication? Aug 28 , 2025
The remote signal terminal of the surge protection device is the key interface for remote monitoring of the SPD status. Its core function is to convert the SPD operating status (such as normal, faulty, tripped, etc.) into a transmittable electrical signal and transmit it to the remote monitoring system (such as the distribution automation system, computer room monitoring system, etc.),...
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What are the main reasons that affect the tripping of surge protection device? Sep 04 , 2025
The tripping of a surge protective device (SPD) is a response to a fault condition by its built-in safety mechanism. Essentially, it disconnects the device from the circuit through mechanical or electronic means to prevent the fault from escalating. Its tripping behavior is directly related to the characteristics of the SPD's core components, surge parameters, system operating conditions, and envi...
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What is the difference between ROHS and REACHR certification? Sep 09 , 2025
Some customers require Rohs and Reach certification for surge protection devices, let’s talk about ROHS and REACH this time.Both ROHS and REACH are important EU environmental regulations, but their scope of application, control objectives, and specific requirements differ significantly. The core differences are as follows: 1. Full name and core purpose of the regulation ·ROHS:The full name is...
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