Live Electrical 125A 4 Pole B Curve 10kA MCB CZ4125B

CZ MCB is suitable for overload and short circuit protection under AC 50/60Hz, rated voltage 230/400V and current rating no more than 125A. This circuit breaker can also be used for infrequent switching of circuits.

• Dimensions: 108mm (W) x 86.9 (H) x 74.2mm (D)
• Rated voltage: AC400V
• Rated insulation voltage: 500V
• Impulse withstand voltage: 6kV
• Thermal trip benchmark setting temperature: 30℃
• Tripping characteristics: B-curve 3-5 In; C curve 5-10 In
• Breaking capacity: lcn=15kA, lcs=7.5kA

• Isolation function: Contact status indicator with red green color
• Current protection action characteristics
• Operational environment
• a. Air temperature: -5 ℃ to 40 ℃;
• b. The average temperature within  hours shall not exceed+35 ℃;
• c. The altitude of the installation site generally does not exceed 2000m
• d. Pollution level: Ⅱ
• e. Installation category: Ⅱ、Ⅲ