Mechanical strength test for switch for household and similar fixed -electrical installation
According to IEC 60669 clause 20, switches ,boxes and screwed glands of switches that have an IP code higher than IP0 shall have adequate mechanical strength so as to withstand the stresses imposed during installation and use.
Compliance is checked by the following test:
For all types of switches and their dedicated box , are subject to pIK Pendulum Impact Tester with striking elements mass 150±1g
Zhilitong Electromechanical Co., Ltd provides IK Pendulum Impact Tester ZLT-BC3 which can provide both high impact energy and low impact energy from 2J up to 50J .