Eaton PKE12/XTU-1.2 3-Pole Motor Protection Circuit Breaker, 0.3-1.2 A, 690V, 50kA 121731

With an impressive 50 kA short-circuit breaking capacity at 400 V, the Eaton PKE12/XTU-1.2 motor protection circuit breaker delivers robust protection for your motors. This 3-pole device offers adjustable overload protection from 0.3 to 1.2 A, making it ideal for a wide range of industrial applications.

Overview

The Eaton PKE12/XTU-1.2 is a 3-pole motor protection circuit breaker designed to safeguard motors against overload, short-circuit, and phase failure. It features an electronic adjustable thermal overload release with a setting range of 0.3 to 1.2 A and a fixed magnetic short-circuit release. The device is rated for operational voltages up to 690 V AC and has a rated impulse withstand voltage of 6 kV. It is suitable for DIN rail (35 mm) or screw mounting and uses screw terminals for secure connections.

What stands out

• High breaking capacity: 50 kA at 400 V AC
• Adjustable overload protection from 0.3 to 1.2 A
• Electronic trip unit for precise and reliable operation
• Compact design for DIN rail mounting
• Optional auxiliary contacts for status signaling

Technical details

• Number of poles: 3
• Overload release setting range: 0.3 - 1.2 A
• Rated operational current (Ie): 1.2 A
• Rated operational voltage (Ue): up to 690 V AC
• Rated short-circuit breaking capacity (Icu) at 400 V: 50 kA
• Thermal overload release type: electronic, adjustable
• Short-circuit release type: magnetic, fixed
• Trip class: CLASS 10E
• Rated impulse withstand voltage (Uimp): 6 kV
• Rated insulation voltage (Ui): 690 V
• Mounting type: DIN rail (35 mm) / screw mounting
• Connection type: screw terminals
• Degree of protection: IP20
• Ambient operating temperature: -25 to +55 °C
• Standards: IEC/EN 60947-4-1, VDE 0660
• Auxiliary contacts: optional (add-on modules)
• Control type: rotary knob
• Motor protection functions: overload, short-circuit, phase failure

Our verdict

The Eaton PKE12/XTU-1.2 is a reliable and versatile motor protection circuit breaker, offering adjustable overload settings and a high breaking capacity in a compact form factor.