It clears faults at 10 kA under both AC (per IEC/EN 60898) and DC (per IEC/EN 60898-2) conditions, with a DC voltage rating of 880 V. The dual standard listing — IEC/EN 60898-2 for DC and UL1077 for North American supplementary protection — means it carries approvals for both European and US panels without a separate part number.
The 1 A rating is a low-current branch, typical for control circuits or instrumentation feeds. The 4-pole design switches all four conductors (, L2, L3, N) in a single module, saving DIN rail space compared to ganging four single-pole breakers. At 4 modular units wide (72 mm), it fits standard 18 mm-per-module DIN-rail panels.
The terminals accept combined top and bottom wiring; the unit is sealable for panel-lockout procedures.