The Siemens 3RV1902-1DB00-0FJ0 is a shunt trip accessory for SIRIUS 3RV circuit breakers in frame sizes S00 through S3. The coil is rated for 20...24 V AC at 50/60 Hz with 100% ED (continuous duty), meaning it can be held energized indefinitely without overheating. It also accepts 20...70 V AC/DC for a 5-second CDF (cyclic duty factor) — useful for applications where the trip signal is momentary, like a remote pushbutton or a contact from a safety gate.
Snaps onto the side of the 3RV breaker without extra DIN-rail space. The S00–S3 frame range covers motor-protective breakers from 0.1 A up to about 100 A (thermal-magnetic or electronic). Verify the shunt trip's mechanical linkage matches the specific breaker frame — the 3RV1902 family splits by frame size, and this variant covers the full S00–S3 span.