10 pairs over-voltage protection magazine for MDF terminal block

Technical Parameter

1) Working temperature: -30℃ ~ 60℃

2) Storage temperature: -35℃ ~65℃

3) Relative humidity: ≤85%(+30℃)

4) Atmospheric pressure: 70kPa ~106kPa

5) Appearance: the color of all metal and plastic parts is uniform, without any scratch, rust, crusting and cracks.

6) The labels are clear and complete.

7) Flame retardant performance: all plastic parts and printed circuit board are flame retardant, reaching grade of UL FV0

8) Nominal DC spark-over voltage (100V/s) : 230±20% V

9) Impulse spark-over voltage (1kV/us): ≤800V

10) Impulse discharge current (8/20us, 10 times) (a+b)-e: 5kA

11) Impulse discharge current (10/1000us, 300times) (a+b-e):100A

12) AC discharge current (50Hz, 1s, 5 times) )(a+b-e):5A

13) Insulation resistance: ≥ 1000MΩ

14) Capacitance(1kHz):<1pF

15) Transverse voltage duration: ≤200ns

16) Fail-safe response time: ≤5s

17) Insulation resistance: insulation between line a and line b, and/or between line a, b and grouding wire and alarming signal line, and/or between grounding wire and alarming signal line ≥ 1000MΩ. And after high temperature test, low temperature test, temperature varying test and humidity heat test, the insulation resistance ≥ 1000MΩ.

18) Contact resistance: under normal ambient conditions, the contact resistance between protector and block contacts ≤7 mΩ. After high temperature test, low temperature test, temperature varying test and humidity heat test, the increasing resistance ≤3 mΩ And after inserting the connection cord (or test cord) into the module for 200 times, the increasing resistance ≤3 mΩ

19) Normal temperature resistance between line a and line b: ≤22Ω, and the resistance difference between line a and line be: ≤2Ω.

10 pairs over-voltage protection magazine for MDF terminal block


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