Eaton ZB32-6 Thermal Overload Relay, 4-6 A, 3-Pole, Class 10A, Screw Terminals, 1 NO + 1 NC

The Eaton ZB32-6 thermal overload relay delivers dependable motor protection for a wide range of industrial applications. Engineered for direct mounting to Eaton DILM contactors or stand-alone use, it offers precise current setting from 4 to 6 A and a tripping class of 10A, ensuring rapid response to overloads while minimizing nuisance trips.

Highlights

• Current setting range: 4–6 A
• Tripping class: Class 10A
• 3-pole protection with phase failure sensitivity
• 1 NO + 1 NC auxiliary contacts
• Screw terminals for secure wiring
• Manual or automatic reset
• Certified to IEC/EN 60947-4-1, UL 60947-4-1, CSA C22.2 No. 60947-4-1-14, CE

In daily use

This relay is ideal for protecting three-phase motors in conveyors, pumps, fans, and compressors. Its compact design fits neatly into control panels, while the clear current scale simplifies adjustment. The manual reset function allows for safe restart after a trip, and automatic reset is available for remote monitoring applications.

Full specifications

• Product type: Thermal overload relay
• Number of poles: 3
• Rated operational voltage (Ue): 690 V AC
• Rated insulation voltage (Ui): 690 V
• Rated impulse withstand voltage (Uimp): 6 kV
• Auxiliary contacts: 1 NO + 1 NC
• Terminal type: Screw terminals
• Main circuit wire cross-section: 0.75 – 4 mm² (solid/stranded)
• Auxiliary circuit wire cross-section: 0.75 – 2.5 mm² (solid/stranded)
• Mounting: Direct mounting to contactor / stand-alone
• Compatible contactors: Eaton DILM7, DILM9, DILM12, DILM15, DILM17, DILM25, DILM32, DILM38
• Reset function: Manual / automatic
• Phase failure sensitivity: Yes
• Degree of protection: IP20
• Ambient operating temperature: -25 to +55 °C
• Certifications: IEC/EN 60947-4-1, UL 60947-4-1, CSA C22.2 No. 60947-4-1-14, CE

Final note

This Eaton ZB32-6 relay combines robust construction with precise protection, making it a reliable choice for motor control systems. Its broad compatibility and compliance with international standards ensure seamless integration into new or existing installations.