Siemens 3VA5160-5ED31-0AA0 0A 3-Pole 3 V Circuit Breaker Potential Transformer

Meet the Siemens 3VA5160-5ED31-0AA0, a purpose-built three-pole circuit breaker with an integrated potential transformer designed for precise sensing and reliable protection in low-voltage environments. Built to fit seamlessly into Siemens protection schemes, this part delivers a compact, all-in-one solution for monitoring and breaking the circuit when protection thresholds are reached.

Key specifications at a glance

• Part number: 3VA5160-5ED31-0AA0
• Poles: 3
• Current rating: 0 A
• Voltage rating: 3 V
• Type: Circuit breaker with integrated potential transformer

What makes this unit unique

Unlike standalone protection devices, the 3VA5160-5ED31-0AA0 combines switching and sensing into a single compact module. The 3-pole configuration provides synchronized protection across all phases, while the 3 V potential transformer output supplies robust sensing signals to protective relays and metering equipment. It’s a practical, space-saving choice for panel builders and service technicians who need dependable phase protection without adding complexity to the control circuit.

Ideal use cases

• Industrial control panels and switchgear that require integrated protection and metering signals
• Retrofits or spare parts for existing Siemens protection schemes
• Systems where compact footprint and streamlined wiring reduce panel depth and installation time

Why you’ll value it in your setup

With a three-pole design and a built-in potential transformer, this unit minimizes component count while delivering consistent performance across all phases. It helps ensure accurate relay operation and reliable fault indication, which translates to faster fault isolation and less downtime. Its Siemens heritage means predictable compatibility with other 3VA-series devices and protection relays in your system.

Practical tips for deployment

• Verify compatibility with your existing protection relays and control boards to ensure seamless signal integration from the 3 V PT output.
• Keep a spare 3VA5160-5ED31-0AA0 on hand for quick swaps in critical equipment racks to minimize maintenance downtime.
• Document the part number in your asset registry to simplify future service and warranty checks.

Whether updating a legacy panel, stocking spare parts for rapid repairs, or designing a new protection scheme, the Siemens 3VA5160-5ED31-0AA0 3-pole, 3 V circuit breaker with integrated potential transformer offers a precise, space-conscious solution that aligns with Siemens’ reliability standards and protection philosophy.