NOARK Ex9L-N 4P 40A 30mA RCCB Type AC Residual Current Circuit Breaker 6kA

The NOARK Ex9L-N 4P 40A 30mA is a high-quality Residual Current Circuit Breaker (RCCB) designed for reliable protection against earth faults. With a rated current of 40A and a residual operating current of 30mA, it ensures safety in residential and commercial installations. This 4-pole device is Type AC, suitable for sinusoidal alternating residual currents. Compliant with IEC/EN 61008-1, it offers a short-circuit breaking capacity of 6kA and operates at 400V AC.

Advantages

This RCCB provides robust protection against electric shock and fire hazards caused by earth leakage currents. Its compact design fits standard DIN rail enclosures, and the wide operating temperature range (-25°C to +50°C) ensures reliable performance in various environments. The high mechanical endurance (20,000 cycles) guarantees long service life.

Suitable for

• Residential electrical panels
• Commercial building distribution boards
• Industrial control systems requiring earth leakage protection
• Upgrades of existing electrical installations

Key specifications

• Product Type: Residual Current Circuit Breaker (RCCB)
• Number of Poles: 4P
• Rated Current (In): 40 A
• Rated Residual Operating Current (IΔn): 30 mA
• Type of Residual Current: AC
• Rated Short-Circuit Breaking Capacity (Icn): 6 kA
• Rated Voltage (Ue): 400 V AC
• Frequency: 50/60 Hz
• Mounting Type: DIN Rail
• Terminal Capacity (Solid/Stranded): 1-25 mm²
• Electrical Endurance: 10,000 cycles
• Mechanical Endurance: 20,000 cycles
• Standard: IEC/EN 61008-1
• Degree of Protection: IP20 (terminals), IP40 (enclosure)
• Operating Temperature Range: -25°C to +50°C
• Series: EX9L-N

Recommendations

For optimal safety, always install this RCCB in accordance with local electrical regulations. Pair with a compatible MCB for overcurrent protection. Suitable for use in TN, TT, and IT systems.