Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Palazzoli
The Palazzoli 900463EX is an aluminum alloy vibrating membrane siren operating at 110V and 50/60Hz with an IP66 protection degree for Zone 2 gas and Zone 21-22 dust environments. This 2P+ unit delivers a continuous acoustic signal of 105/104dB at 1 meter, consuming 35.7 VA at a rated current of 0.32A across an operational temperature range of -40 to 40 degrees Celsius. Measuring 130x105x207 mm with an M20 hole type and a net weight of 1.16 KG, it complies with EN 62080, EN 60079 series, ATEX, EMC, and RoHS directives. Submit the exact part number, quantity, and application requirements for a quote.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Palazzoli references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Palazzoli 900463EX. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.