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
Palazzoli part number 900453EX is an aluminum alloy vibrating membrane siren operating at 24V and 50/60Hz with a rated current of 1,4A and 33,8 VA power. This IP66-rated unit delivers a continuous acoustic signal of 104/102dB at 1 meter, functioning within an operational working temperature range of -40 T 40 degrees. The device measures 130x105x207 with an M20 hole type, features a 2P+ pole configuration, has a net weight of 1.25KG, and complies with EN 62080:2009, EN 60079-7:2015, EN IEC 60079-0:2018, EN 60079-31:2014, ATEX, EMC, and RoHS directives for zone 2 gas and zones 21-22 dust environments. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 900453EX. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.