Allen-Bradley 199-FSMZ-1 SER.B Diode Surge Supressor

Allen‑Bradley 199‑FSMZ‑1 Series B diode surge suppressor designed for coil‑mounted DC suppression, protecting relay coils and control circuits from voltage spikes and inductive kickback in industrial automation applications. Technical specifications Manufacturer: Allen‑Bradley (Rockwell Automation) Manufacturer country: China Product type: Diode surge suppressor Model number: 199‑FSMZ‑1 Series: B Suppressor type: Diode type (DC only) Mounting style: Coil‑mounted Applicable voltage range: 6–300 V DC Polarity sensitive: Yes Function: Suppresses inductive voltage transients on DC coils Compatible relay families: Bulletin 700‑P, 700‑PH, 700‑PK, 700‑N, 700‑F, 700‑R Electrical connection: Direct mounting to relay coil terminals Housing material: Molded plastic Housing color: Black Form factor: Compact round module Operating environment: Industrial control panels Compliance markings: Allen‑Bradley identification and rating label Typical applications: Relay coil protection, PLC control circuits, automation systems