Product Overview
25-RF039-EL Series A is a heavy‑duty fork‑lever limit switch manufactured by Allen‑Bradley (Rockwell Automation). It adopts fork lever actuation with slow‑action maintained contacts, Type14 housing and NEMA 4 enclosure. Designed for heavy‑duty mechanical position sensing, travel limit and safety interlock applications. It provides position feedback and over‑travel protection for machinery, featuring robust mechanical performance for dusty and moist industrial environments. Available as new, surplus or refurbished spare parts.
Core Technical Specifications
| Parameter Items | Technical Specifications |
|---|---|
| Model Number | 25-RF039-EL |
| Manufacturer | Allen‑Bradley / Rockwell Automation |
| Device Type | Heavy‑Duty Fork‑Lever Limit Switch |
| Contact Operation | Slow‑Action, Maintained |
| Actuator Type | Fork Lever |
| Contact Arrangement | Arrangement‑C |
| Housing Style | Type14, NEMA 4 Enclosure |
| Max Operating Torque | 31.15 N (7 lb) |
| Nominal Travel to Operate | 31.8 mm (1.25 inch) |
| Environmental Rating | Dust‑proof, splash‑proof for industrial site |
| Installation Type | Flange mounting |
| Core Functions | Mechanical position detection, over‑travel protection, safety interlock signal output |
Application Scope
‑ Travel limit detection for cranes, forklifts and material‑handling machinery ‑ Position feedback & over‑travel protection for heavy‑duty metallurgy and mining equipment ‑ Position interlock and safety limit for production lines and large machine tools ‑ Mechanical position signal collection for conveyor and large‑scale automation equipment ‑ Spare‑part replacement and retrofitting for legacy industrial installations
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