Rational 40.04.089p Bus Cable Ferrite Ring

Product Description

The RATIONAL 40.04.089p is a bus cable ferrite ring assembly measuring 1.15 meters in length, designed for use in RATIONAL commercial cooking appliances. Ferrite rings suppress high-frequency electromagnetic interference (EMI) on data and signal cables, helping maintain stable communication between control boards and connected components. This part is installed by qualified commercial appliance technicians and foodservice equipment service professionals during routine maintenance or control system repair.

This bus cable ferrite ring is used in commercial kitchen environments where RATIONAL combi ovens and related cooking equipment are serviced. It is typically installed on internal bus or communication cables to reduce signal noise and protect sensitive control electronics. Technicians replace this component when addressing communication faults, control board issues, or during preventive maintenance on RATIONAL equipment.

Key Features

• 1.15-meter cable length provides adequate reach for internal routing in RATIONAL commercial appliances
• Ferrite ring construction suppresses EMI and RFI on bus and signal lines
• OEM RATIONAL part ensuring correct fit and electrical compatibility
• Supports stable data communication between control system components

Compatibility

Designed as an OEM replacement bus cable ferrite ring for RATIONAL commercial cooking appliances. Refer to your equipment service documentation or contact RATIONAL technical support to confirm fitment for your specific model.

Installation Notes

Installation should be performed by a qualified commercial appliance or foodservice equipment technician. Power down and lock out the appliance completely before accessing internal cable assemblies or control components. Handle bus cables carefully to avoid stressing connectors or disturbing adjacent wiring. Follow all applicable local electrical codes and the manufacturer service documentation during installation.

Technical Specifications

• Cable Length: 1.15 meters
• Component Type: Ferrite Ring Bus Cable

Standard Information

• Brand: RATIONAL
• Manufacturer Part Number: 40.04.089p