Eaton 269471 Motor Protective Circuit Breaker, 3-Pole, 0.63-1 A, Thermal-Magnetic, DIN Rail

Motor protection is critical in industrial environments where overloads and short circuits can damage equipment and cause downtime. The Eaton 269471 motor protective circuit breaker provides reliable protection for three-phase motors with adjustable thermal overload and fixed magnetic short-circuit releases.

Who is it for

This breaker is intended for electrical engineers, panel builders, and maintenance professionals who need to protect AC motors in industrial control panels. It is suitable for applications requiring a compact, DIN rail-mounted solution with high breaking capacity.

Main features

• Thermal-magnetic tripping principle with adjustable overload release (0.63–1 A)
• Fixed magnetic short-circuit release at 14 A
• 3-pole design for three-phase motor protection
• High short-circuit breaking capacity: 100 kA at 400 V AC
• DIN rail mounting with screw terminals
• ON/OFF switch with trip indication
• IP20 protection degree
• Complies with IEC/EN 60947

Specifications

• Product Type: Motor Protective Circuit Breaker
• Tripping Principle: Thermal-magnetic
• Number of Poles: 3
• Rated Operational Current Range: 0.63 - 1 A
• Rated Operational Voltage (Ue): 690 V AC
• Rated Impulse Withstand Voltage (Uimp): 6 kV
• Rated Short-Circuit Breaking Capacity (Icu) at 400V: 100 kA
• Rated Short-Circuit Breaking Capacity (Icu) at 690V: 10 kA
• Mounting Type: DIN rail
• Connection Type: Screw terminals
• Protection Degree (IP): IP20
• Ambient Operating Temperature: -25 to +55 °C
• Standards Compliance: IEC/EN 60947
• Overload Release Type: Thermal (adjustable)
• Short-Circuit Release Type: Magnetic (fixed)
• Frame Size: PKZ0
• Switching Function: ON/OFF switch with trip indication
• Terminal Capacity (Main Circuit): 1 x (1-6 mm²) or 2 x (1-2.5 mm²)
• Short-Circuit Release Current (fixed): 14 A
• Suitable For: AC motor protection

Tips

When selecting a motor protective circuit breaker, ensure the adjustable overload range matches the motor's full-load current. The PKZ0 frame size is compact, allowing space-saving installation in control panels.