Miniature circuit breaker 3P 6.3 A curve K

Miniature circuit breaker from the Acti9 P25M range, designed for motor protection in three-phase electrical installations. Features 3 protected poles and a nominal current of 6.3 A, with a K trip curve suitable for motor starting with high initial currents. Operates on AC networks 50/60 Hz and supports rated operating voltages up to 690 V AC.

Technical characteristics

• Number of poles: 3P
• Number of protected poles: 3
• Rated current [In]: 6.3 A
• Network type: AC
• Tripping unit technology: Thermal-magnetic
• Curve code: K
• Breaking capacity Icu: 3 kA at 690 V AC 50/60 Hz, 50 kA at 440 V AC 50/60 Hz, 50 kA at 500 V AC 50/60 Hz
• Service breaking capacity [Ics]: 2.25 kA at 690 V AC 50/60 Hz, 50 kA at 440 V AC 50/60 Hz, 50 kA at 500 V AC 50/60 Hz
• Rated operating voltage [Ue]: 230...240 V AC, 400...415 V AC, 440 V AC, 500 V AC, 690 V AC
• Rated insulation voltage [Ui]: 690 V AC 50/60 Hz
• Magnetic link limit: 12 x In
• Service category: AC-3 according to EN > 50 A
• Switching capacity: Yes according to EN > 50 A
• Contact position indicator: Yes
• Local indications: On/Off indication
• Control type: Handle Manual trip test
• Mounting type: Clip adjustable
• Mounting support: Symmetrical 35 mm DIN rail
• Steps of 9 mm: 5
• Height: 89 mm
• Width: 45 mm
• Depth: 70 mm
• Product weight: 0.26 kg
• Electrical durability: AC-3, state 1, 100000 cycles AC 50/60 Hz
• Lockable: With lock
• Locking options description: Integrated lock
• Connections - terminals: Clamp terminal, 2 cables, 1…6 mm² rigid or flexible
• Torque: 1.7 N·m
• Earth leakage protection: No
• Compatibility code: P25M
• Standards: Icu
• Product certifications: CEBEC, SEMKO, NEMKO, IMQ, DEMKO
• Overvoltage category: III
• Tropicalization: 2 according to EN > 50 A
• Relative humidity: 95 % at 55 °C
• Maximum operating altitude: 2000 m
• Operating ambient temperature: -20…60 °C
• Storage ambient temperature: -40…80 °C
• EU RoHS Directive: Compliant
• Mercury-free: Yes
• REACH Regulation: The reference contains SVHC above threshold
• WEEE: In the European Union market, the product must be disposed of according to a specific waste collection system and never end up in a regular trash container