CFI6-40/4/003-A - Residual Current Circuit Breaker 40A, 4-Pole, 30 mA, AC Type

Description

The CFI6-40/4/003-A residual current device module is an advanced solution designed to protect electrical installations in residential and commercial buildings. This residual current circuit breaker, with a rated current of 40A and a residual current of 30 mA, effectively protects against electric shock and prevents equipment damage. Sensitive to alternating current, the device provides tripping at rated differential currents. Compliant with IEC/EN 61008 standards, it is resistant to short circuits up to 6 kA and impulse surges up to 250 A. Its 4-pole design and DIN rail mounting capability ensure ease of installation and versatility in various applications.

Features

• Basic Function: Residual current circuit breaker
• Poles: 4-pole
• Rated Current [In]: 40 A
• Rated Short-Circuit Resistance [Icn]: 6 kA
• Rated Residual Current [IΔN]: 30 mA
• Type: AC Type designation
• Rated Operating Voltage [Ue]: 230/400 V AC
• Rated Frequency [f]: 50 Hz
• Rated Insulation Voltage [Ui]: 440 V
• Impulse Withstand Voltage [Uimp]: 4 kV
• Max. Pre-fuse Protection: 63 A gL (short-circuit), 25 A gL (overload)
• Electrical Durability: ≥ 4,000 cycles
• Mechanical Durability: ≥ 20,000 cycles
• Mounting: DIN rail IEC/EN 60715 with quick-connect
• Degree of Protection: IP20, IP40 with appropriate enclosure
• Operating Temperature Range: -25 °C to +60 °C
• Permissible Storage Temperature: -35 °C to +60 °C
• Terminal Cross-section: Single conductor 1.5–35 mm², multi-stranded 2 x 16 mm²