Siemens 5SV5344-6KL RCCB Type A 30mA 40A 4-Pole 230/400V AC

The Siemens 5SV5344-6KL residual current circuit breaker (RCCB) delivers 40 A rated current with 30 mA residual current sensitivity, providing reliable protection against AC and pulsating DC fault currents in 4-pole 230/400 V AC installations.

Overview

Part of the SENTRON 5SV5 series, this Type A RCCB is designed for DIN rail mounting and features a compact 4-module width (72 mm). It is suitable for residential and commercial electrical distribution boards where protection against earth leakage currents is required.

What stands out

• Type A residual current detection covers AC and pulsating DC fault currents
• 4-pole configuration for three-phase and neutral circuits
• Rated current of 40 A with 30 mA sensitivity
• Short-circuit current rating of 10 kA and surge current resistance of 1 kA (8/20 µs)
• Wide operating temperature range from -25 °C to +45 °C

Technical details

• Rated voltage: 230/400 V AC
• Rated frequency: 50/60 Hz
• Mounting: DIN rail (EN 60715)
• Module width: 4 TE (72 mm)
• Degree of protection: IP20 (terminals), IP40 (with cover)
• Terminal type: Box terminal
• Terminal capacity: 0.75 - 35 mm² solid, 0.75 - 25 mm² stranded
• Standards: IEC/EN 61008-1

Our verdict

A robust RCCB for reliable residual current protection in three-phase systems, offering precise 30 mA sensitivity and high short-circuit withstand.