5SV3346-4

The Siemens 5SV3346-4 is a 4-pole Residual Current Circuit Breaker (RCCB), designed to provide advanced protection against electric shock and fire hazards caused by earth leakage currents. With Type B sensitivity, this device can detect not only sinusoidal AC leakage currents but also smooth DC residual currents—making it ideal for modern loads such as inverters, EV chargers, or variable-speed drives. It features a short-time-delayed tripping mechanism to minimize nuisance tripping and belongs to the SIGRES series, offering enhanced performance in **harsh environmental conditions.

Key Features and Specification

• Rated Current (In): 63 A
• Rated Voltage (Un): 400 V AC
• Poles: 4P (Three-phase + Neutral)
• Residual Current Type: Type B (detects AC, pulsating DC, and smooth DC leakage currents)
• Rated Residual Current: 30 mA
• Tripping Delay: Short-time-delayed (to reduce false trips)
• Application Environment: SIGRES (for aggressive/harsh conditions)

Technical Information

• Number: 5SV3346-4
• EAN: 4001869549040
• Commodity Code: 85362010
• Catalog Reference: LV10
• Product Group: 5513
• Group Code: P310
• Lifecycle Status: PM300 – Active Product

Applications

• Suitable for demanding industrial and commercial environments
• Ideal for circuits supplying sensitive electronic equipment, EV chargers, or frequency converters
• Recommended for locations with moisture, pollution, or corrosive atmospheres (thanks to SIGRES protection)
• Ensures enhanced protection against a broad spectrum of earth leakage currents

Summary:

The 5SV3346-4 RCCB from Siemens combines high-level safety, Type B sensitivity, and robust construction for harsh environments. Rated at 63A with 30mA residual current sensitivity, this 4-pole RCCB is tailored for complex electrical loads and aggressive ambient conditions. With its short-time delay feature and SIGRES environmental resilience, it offers reliable protection and system uptime in the most demanding applications.