Overview
The A9L08421 is a Schneider Acti9 iPRD modular surge arrester with pluggable cartridge, rated 400 V supply voltage, 4-pole, designed for IT earthing systems. It is a Type 2+3 MOV-based arrester with remote signalling contacts (1 SD, 1 C/O). Schneider has discontinued this part.
Lifecycle & availability
Schneider lists the A9L08421 as discontinued with no direct successor order code in the evidence. For a BOM freeze or line-down need, sourcing runs through surplus and broker channels. An RFQ is the fastest path to confirm available quantity and lead time.