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 4P 400A isolator switch, part number 286703, features a black anodised aluminium front plate designed for distribution boards and provides an IP65 front plate protection degree with an IP00 rating at the terminals. Operating at 50/60Hz with a rated insulation voltage of 690V and a rated operating voltage of 500V~, this 6.30KG unit utilizes M12X30 terminals and accommodates ambient temperatures from -25°C to +60°C. Submit the exact part number, quantity, and application requirements to request a quote for this component.
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 286703. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.