English to Italian Tech/Engineering Military / Defense

Ciao a tutti! Non intendendomi di esplosivi, non riesco a capire se il termine fuse va tradotto con fusibile o detonatore (o altro...). Vi copio qui sotto un po' di contesto. Si parla di C4. Grazie mille per l'aiuto! Laura

He marveled at the amazing properties of C4. The plastic explosive was safe and versatile. You could slam, bang, and mold it, though you needed to handle it more gingerly once you inserted a FUSE.
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Thomas returned with the FUSES and a remote detonator.
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Wireless FUSES operated at a unique frequency, but it was better to be safe than sorry.