 | 3R7CXA Series / Light-Duty Types
5KA/5A Ø8x10mm |
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| Type | 3R077CXA
3R077CXP | 3R097CXA
3R097CXP | 2R157CXA
2R157CXP | 3R237CXRA
3R237CXRP | 3R357CXA
3R357CXP | 3R477CXA
3R477CXP | 3R607CXA
3R607CXP | |
| Nom. DC spark-over voltage Vs | 75 | 90 | 150 | 230 | 350 | 470 | 600 | V |
| Tolerance of Vs | ±20 | ±20 | ±20 | ±20 | ±20 | ±20 | ±20 | % |
| Impulse spark-over voltage | ≤600 | ≤700 | ≤700 | ≤800 | ≤800 | ≤900 | ≤1200 | V |
Nom. impulse discharge current
Wave 8/20 µS | 5 | 5 | 5 | 5 | 5 | 5 | 5 | KA |
Nom. alternating discharge current
@50Hz, 1s | 5 | 5 | 5 | 5 | 5 | 5 | 5 | A |
Single. impulse discharge current
Wave 8/20 µS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | KA |
AC discharge current
Cycles, @50Hz | >35 | >35 | >35 | >35 | >35 | >35 | >35 | A |
| Insulation resistance | ≥1 | ≥1 | ≥1 | ≥1 | ≥1 | ≥1 | ≥1 | G |
| Capacitance | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 | pF |
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 | ET Series/Light-Duty Types
5KA/5A Ø8x6mm |
ET ...
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| Type | ET90X ** | ET230X | ET350X | ET600X | |
| Nom. dc spark-over voltage Vs | 90 | 230 | 350 | 600 | V |
| Tolerance of Vs | ±20 | ±20 | ±20 | ±20 | % |
| Impulse spark-over voltage | <600 | <750 | <950 | <1300 | V |
Nom. impulse discharge current
Wave 8/20 µS | 5 | 5 | 5 | 5 | KA |
Nom. alternating discharge current
@50Hz, 1s | 5 | 5 | 5 | 5 | A |
Single. impulse discharge current
Wave 8/20 µS | 7 | 7 | 7 | 7 | KA |
AC discharge current
Cycles, @50Hz | >35 | >35 | >35 | >35 | A |
| Insulation resistance | >1 | >1 | >1 | >1 | G |
| Capacitance | <1.5 | <1.5 | <1.5 | <1.5 | pF |
| ** ET90X is in preparation. |
(C) 2001 Radytronic Electronic Technology Co., Ltd.
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