ProLEC Basic : Know When Lightning StrikesYour First Step Toward Smarter Protection.
Every Strike Tells a Story. Do You Know Yours?

When lightning hits your structure, it doesn’t leave a note.
It leaves damage, downtime, and uncertainty.
Was the surge minor or severe?
When exactly did it happen?
How often is your facility exposed?
Without precise data, maintenance becomes guesswork.
With ProLEC Basic, you turn every strike into actionable information.
The Essential Lightning Event Counter
ProLEC Basic is a compact, contact-free lightning current sensor that logs every discharge flowing through your down-conductor — safely, accurately, and automatically.
Each event is recorded with exact date and time, giving you a verified history of every atmospheric discharge that affected your site.
That means you can correlate events with electrical faults, plan maintenance confidently, and make decisions based on facts, not assumptions.
Why Professionals Choose ProLEC Basic

✅ Precise Time & Date Logging:
Know exactly when and how often lightning occurred, enabling accurate analysis and data-driven maintenance decisions.
✅ Instant Awareness:
Built-in LCD display shows strike count, time, and date. Accessible at a glance without tools or software.
✅ Zero-Interruption Installation:
Mounts directly on the down-conductor. No rewiring, no circuit modification, no power shutdown.
✅ Rugged and Reliable:
Operate from –20 °C to +60 °C, built with polycarbonate (UL 94 V-2) housing and IP65 protection for outdoor use.
✅ Long-Life Power Supply:
Two replaceable lithium batteries deliver up to 4 years of operation without maintenance.
✅ Certified Performance:
Compliant with IEC / EN 62561-6, CE, and RoHS. Trusted worldwide for lightning event measurement.
Technical Excellence
| Specification | Details |
|---|---|
| Order Code | 130 523 |
| Threshold Current (10/350 µs) | 1 kA |
| Max Withstand Current (10/350 µs) | 100 kA |
| Max Events Logged | 999 |
| Power Supply | 2 × CR17335 lithium batteries (≈ 4 years) |
| Mounting Method | Direct on down-conductor |
| Operating Temperature | –20 °C to +60 °C (–4 °F to +140 °F) |
| Ingress Protection | IP 65 |
| Enclosure Material | Polycarbonate UL 94 V-2 |
| Dimensions (L × W × D) | 140 × 88.9 × 42.6 mm (5.51 × 3.5 × 1.67 in) |
| Weight | 440 g (0.97 lb) |
Designed for Field Engineers and Facility Teams
- High-rise buildings and telecom towers
- Industrial plants and substations
- Energy, utilities, and infrastructure facilities
- Any installation where data accuracy ensures faster decisions
No software. No network. Just dependable data so your team can act with confidence.

The Business Case
- ⚙️ Turn Data Into Insight: Time-stamped events reveal trends, helping you plan inspections and upgrades precisely where they matter.
- 🧾 Simplify Compliance: Produce verifiable lightning logs for audits and safety documentation.
- 🧠 Enable Predictive Decisions: Combine strike frequency with maintenance data to forecast risk exposure.
- 💡 Scalable Path Forward: ProLEC Basic gives you the foundation for future digital systems like ProSEC II+ when you’re ready to expand.
Trust Signals That Matter
✅ Certified under IEC 62561-6, RoHS, and CE
✅ Field-tested up to 100 kA (10/350 µs) surge waveform
✅ Designed for outdoor reliability and long-term stability
✅ Backed by international manufacturing quality standards
ProLEC Basic : Measure. Log. Decide.
Because better data means better protection.
👉 If you want to check the catalog, here’s the link.
👉 Or if you want to skip the technical stuff, have a chat with us and we’ll see how we can protect your business to keep running.
