Eaton ZB12-0,6 Thermal Overload Relay 0.4-0.6 A, Class 10A, 3-Pole, Screw Terminals 278434

Industrial electricians and panel builders use the Eaton ZB12-0,6 thermal overload relay to protect three-phase motors up to 0.6 A from overload and phase failure. It mounts directly onto Eaton DILM7 to DILM12 contactors or as a standalone unit on a DIN rail, making it suitable for motor control centers, pump panels, and conveyor systems.

Key specifications

• Current setting range: 0.4 - 0.6 A
• Tripping class: 10A
• Number of poles: 3
• Rated operational voltage: up to 690 V AC
• Rated insulation voltage: 690 V
• Rated impulse withstand voltage: 6 kV
• Auxiliary contacts: 1 NO + 1 NC
• Reset function: manual/automatic selectable
• Connection type: screw terminals
• Degree of protection: IP20
• Ambient operating temperature: -25 to +55 °C
• Standards: IEC/EN 60947-4-1, UL, CSA

Why choose it

The relay's selectable reset function and precise current adjustment allow for flexible motor protection in demanding industrial environments. Its compatibility with a range of Eaton contactors simplifies installation and reduces inventory.

Ideal use cases

• Protecting small three-phase motors in conveyors and pumps
• Motor control centers requiring reliable overload protection
• Standalone protection for motors without built-in thermal sensing

Good to know

The relay is designed for screw terminal connections and operates within a wide temperature range, ensuring reliable performance in various industrial settings.