Siemens 3VA5160-4EC31-0AA0 0A 3-Pole 3 V Circuit Breaker Potential Transformer

Meet the Siemens 3VA5160-4EC31-0AA0: a precision-built three-pole circuit breaker with an integrated potential transformer, designed for Siemens-compatible control panels and distribution systems. This part waves in on specialized protection and metering tasks, delivering a compact, single-module solution where accurate voltage sensing and reliable interruption are required.

Key specifications

• Part number: 3VA5160-4EC31-0AA0
• Poles: 3
• Current rating: 0 A
• Voltage rating: 3 V
• Configuration: Circuit breaker with integrated potential transformer
• Manufacturer: Siemens

Why this Siemens model stands out

What sets this unit apart is its purposeful integration: a 3-pole protection device paired with a potential transformer in a single assembly. This means streamlined wiring and fault-sensing pathways, which can simplify panel layouts and improve the reliability of protection relays and metering upstream. The three-phase design ensures synchronized protection across all phases, reducing the risk of imbalanced trips and enhancing coordination within Siemens-based systems.

Ideal use cases

• Retrofits and replacements in Siemens control panels that require a cohesive protection-and-metering module.
• Three-phase switchgear installations where a compact, integrated solution minimizes wiring complexity.
• Lab benches or test setups that simulate or monitor protection schemes with a dedicated potential transformer.

Installation, compatibility, and practical tips

• Confirm panel and system compatibility with the part number 3VA5160-4EC31-0AA0 before installation.
• Only licensed electrical professionals should install or replace this device, following all relevant safety standards and Siemens installation guidelines.
• Verify electrical ratings: the unit lists a 0 A current rating and a 3 V voltage rating—ensure these align with your application requirements and measurement/command circuitry.
• During wiring, maintain clean, organized terminations to preserve accurate sensing by the integrated potential transformer and to facilitate reliable trips.
• Store and handle the component in its original packaging until installation to prevent contamination or damage.

This model is especially valuable for engineers and technicians who value a unified approach to protection and metering within Siemens ecosystems. By combining a three-pole breaker with a dedicated potential transformer, it helps streamline panel design, simplify maintenance routines, and bolster the accuracy of downstream protection relays and metering equipment. If your project calls for a Siemens-compatible, three-phase protection module with integrated sensing, the 3VA5160-4EC31-0AA0 is a purpose-built fit.