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Terminal block in the electrical control cabinet use requirements
Published：2014-03-17 11:12:23 Views：
Electric control cabinet wiring terminal block of the installation, the following requirements:
1, Terminal damage, fixation, insulation is good.
2, Terminal number, Terminal should be easy to change and easy to wire.
3, circuit voltage over 400V, Terminal Board should be adequately insulated and coated with a red flag.
4, strong, and weak terminals should be separated from layout; separated should be clearly marked and located a blank Terminal established or reinforced insulation baffle.
5, positive, negative power supply and often live between the power supply and switch on or tripped circuit should be separated by an empty Terminal.
66, current circuit after testing terminals, others need to disconnect the circuit should be the special terminal block or test Terminal. Test terminals shall be good contact.
7, humid environment should be moisture-proof Terminal.
8, should match the wire cross section of terminals, small terminal with large section conductors should not be used.
9, the connector shall be used copper products, insulating self-extinguishing flame retardant materials should be used.
10, various electrical appliances, terminals should indicate the number, name, purpose and operating position, its written should be clearly indicated, neat, and not easily discolored.