| 摘要 |
The device includes a three-pole overvoltage protection (1), a breaker device with tongues (2, 3), and conductor devices which form input terminals (6, 7), output terminals (10, 11), and a ground terminal (12). A trigger device with a melting insert is thermally connected with the overvoltage protection, consisting of an extruded hull, and tongue holder devices on both sides of the hull, fastening the tongues and the trigger insert.
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