Eaton ZB12-0.4 Motor Protection Relay, 0.25-0.4 A, for DILM7-15 Contactors 278433

Motor protection relay for reliable overload protection of three-phase motors up to 0.4 A. Directly mounts onto Eaton DILM7, DILM9, DILM12, and DILM15 contactors, providing thermal overload protection with phase failure sensitivity and selectable manual/automatic reset.

Advantages

Temperature-compensated thermal release ensures consistent tripping behavior across ambient temperatures from -25 to +55 °C. The test function allows verification of the protection circuit without load. Auxiliary contacts (1 NO + 1 NC) enable signaling and control integration.

Suitable for

• Protection of small three-phase motors with rated currents from 0.25 A to 0.4 A
• Use with Eaton DILM7, DILM9, DILM12, and DILM15 contactors
• Industrial control panels and motor starters

Key specifications

• Current adjustment range: 0.25 - 0.4 A
• Tripping class: 10A
• Number of poles: 3
• Rated operational voltage: up to 690 V AC
• Rated insulation voltage: 690 V AC
• Rated impulse withstand voltage: 6 kV
• Mounting: direct to contactor
• Connection: screw terminals
• Degree of protection: IP20 (terminals)
• Ambient operating temperature: -25 to +55 °C

Recommendations

For optimal protection, set the current adjustment to the motor's rated full-load current. Verify correct tripping with the test function after installation. Ensure the contactor is de-energized before mounting or removing the relay.