Siemens 5SV3344-6 Residual Current Circuit Breaker 4-Pole, Type A, 40A, 30mA, 400V Original Brand New

Overview

The Siemens 5SV3344-6 Residual Current Operated Circuit Breaker (RCCB) is engineered to deliver maximum protection, safety, and reliability for residential, commercial, and industrial electrical systems. Designed as a 4-pole Type A RCCB with a rated current of 40A and a residual operating current of 30mA, this device provides effective protection against electric shock, leakage currents, and fire hazards. With a rated voltage of 400V AC, it ensures compliance with modern electrical safety standards and supports stable system performance.

Key Benefits

• Enhanced Protection – Safeguards people and equipment against earth faults and leakage currents.

• High Sensitivity (30mA) – Rapid disconnection for optimal personal protection.

• Reliable 4-Pole Design – Ideal for three-phase installations and improved circuit monitoring.

• Type A RCCB – Detects AC and pulsating DC residual currents, ensuring versatile safety.

• Durable Siemens Quality – Engineered for long-term, stable, and safe electrical operation.

• Easy Installation – Compact form factor for seamless DIN-rail mounting.

Function

The Siemens 5SV3344-6 RCCB continuously monitors electrical circuits for residual currents. When a leakage or earth fault is detected, the unit disconnects power instantly, preventing electric shock and equipment damage. It is suitable for residential buildings, commercial facilities, and industrial systems requiring enhanced safety and compliance.

Application

• Residential power distribution

• Commercial electrical systems

• Industrial installations

• Building infrastructure protection

• Three-phase power networks

• Safety-critical electrical environments

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