The Littelfuse POWR-Switch is a simple and economical solution for applications that require selective coordination and shunt trip capabilities. Common applications include elevator circuits, data processing rooms, and building emergency systems.
The Littelfuse LPS Series POWR‑Switch provides a simple, economical solution for applications that require selective coordination and shunt‑trip capabilities, such as elevator circuits, data‑processing rooms, and building emergency systems. It uses Class J time‑delay fuses and includes pre‑wired control circuits to reduce installation costs.
The datasheet lists standard and optional features, UL and CSA approvals, current ratings from 30 A to 400 A, shunt‑trip specifications, and enclosure dimensions for NEMA 1, 3R, 4 and 12 enclosures. Ordering information shows how to build catalog numbers with options like control‑power transformer, fire‑safety interface relay, mechanical interlock, and fire‑alarm monitoring relay.
| Approvals | UL Listed, CSA Certified |
|---|---|
| Current Ratings | 30 A, 60 A, 100 A, 200 A, 400 A |
| Interrupt Rating | 200,000 RMS |
| LPS3 Enclosure Dimensions | 24 H × 20 W × 9 D |
It is used in elevator circuits, data‑processing rooms, and building emergency systems.
The series is UL Listed and CSA Certified.