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 290403EX is a 3P, 40A wall-mounting isolator switch constructed from black RAL 9005 thermosetting GRP with an IP66 protection degree, operating at 50-60Hz with a rated insulation and operating voltage of 690V. This execution features screw-type indirect clamping terminals, an M32 hole type, a 4J shock resistance under IEC 60079-0, a minimum conductor section of 1mm², and storage temperature limits between -50°C and +80°C for Zone 2 gas and Zone 21-22 dust hazardous environments. With a net weight of 1.57KG and gross weight of 1.97KG, this unit carries EAN code 8014950153220 within the thermosetting GRP wall-mounting isolator switch family. Submit the exact part number, quantity, and application requirements for a formal 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 290403EX. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.