Allen‑Bradley 855XB-BND24A4 Warning Beacon Inquiry Item

Description

855XB-BND24A4 is a hazardous location xenon strobe beacon of Allen‑Bradley Bulletin 855XB series. It adopts explosion-proof housing design, powered by 24V DC, equipped with amber lens and protective wire guard. It provides high-brightness flashing warning signal for gas leakage, equipment fault and emergency alarm. It has global hazardous area certification and can work reliably in flammable and explosive industrial environments such as petrochemical, oil and gas plants.

Specification

Model: 855XB-BND24A4 Brand: Allen‑Bradley (Rockwell Automation) Type: Xenon strobe warning beacon Power supply: 24V DC Lens color: Amber Entry: 1/2 inch NPT Certification: ATEX, IECEx, UL Protection grade: IP66 / IP67

Component and Fault Diagnosis

It includes xenon flash tube, drive circuit board, amber lens, metal protective guard, explosion-proof plastic housing and wiring terminal block. Common faults: No flash output, weak brightness, circuit burnout, sealing failure, terminal loose contact.

Disclaimer

This spare part shall be installed, calibrated and maintained by qualified instrument technicians. Verify zone classification and voltage before commissioning.