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Profile P3

Delayed circuit breaker trips risk widespread faults and outages. Profile P3 is our circuit breaker testing that helps identify and resolve problems before they escalate.

Product overview

Profile P3 captures the true condition of circuit breakers via the ‘first trip profile’, while the breaker is still live and in service. It connects to live breakers in minutes, recording the critical first trip. This provides a clear and accurate view of how the circuit breaker will respond under real fault conditions.

Key features

Innovative first trip profiling

Captures the critical first trip of a live breaker, showing how it will perform under real-world fault conditions.

On-site graphical diagnostics

Detect hidden issues with enhanced onsite testing, including graphical comparison of up to four operation records.

Efficient multi-shot mode​

Quickly re-arms to capture multiple breaker operations, ideal for monitoring faults or SCADA-triggered events.

Automated comparison

Provides pass/fail status by checking Buffer, Acon, Mcon values across trips against user-set tolerances.

First-trip profiling with Profile P3

First trip profiling gives asset managers a more accurate picture of circuit breaker condition by capturing the very first trip operation, as the one most likely to reveal hidden defects. When a circuit breaker remains idle for long periods, issues like dried-out lubrication or coil deterioration may not show up during standard timing tests, which often miss problems that are temporarily cleared after initial movement.

By monitoring the trip coil current, DC voltage, and main contact timing, first trip profiling with Profile P3 identifies subtle deviations from a healthy operating “signature.”

This non-invasive technique connects to live breakers in minutes, helping pinpoint mechanical or electrical issues before they lead to delayed trips, costly outages, or safety risks.

Benefits of Profile P3

1

Reduced costs

Supports cost-effective, condition-based maintenance strategies for asset managers through accurate circuit breaker testing and assessment.

2

Visual profiling

Enables rapid onsite analysis of circuit breaker defects by comparing first trip or close profile with subsequent circuit breaker operations.

3

Reduced penalties

Pre-empt problems that risk supply loss, equipment damage and potential penalties due to Customer Interruptions (CI) and Customer Minutes Lost (CML).

4

Extended asset life

Quick and simple trending of circuit breaker key parameters allows operators to anticipate maintenance requirements and extend asset life.

Customer spotlight: Ventus Energy

Ventus Energy and Camlin Energy are working together to increase wind farm reliability through circuit breaker testing on Offshore wind farms.

Camlin Energy recently collaborated with Ventus Energy, a prominent Operations & Maintenance (O&M) services provider in the offshore industry.

This partnership enabled Camlin Energy to integrate first trip profiling into Ventus Energy’s maintenance program for offshore projects, utilising our Profile P3 technology. Implementing this approach enabled Ventus Energy to proactively detect potential defects, allowing them to facilitate repairs during planned outages. Enhancing their overall proactive maintenance strategy.

Why circuit breaker health matters

When all else fails, your circuit breaker is the last line of defence for the electrical grid. A slow or failed breaker can lead to safety risks, equipment damage, and costly downtime.

View our latest webinar to find out:

  • How stresses cause breaker failures and more about the impact of failure.
  • More about standard testing procedures and how they help to identify issues.
  • What the first trip profiling method is and how it can reveal hidden defects.

Watch now by following the link below,

Profile P3 Webinar

REPLAYPRO is the license-free software to analyse and manage the PROFILE data. Get the latest software –

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For more information or to schedule a demonstration of Profile P3, please contact our sales team.