Generators

Generators

Diesel Generator Sales, Hire & Maintenance | Belfast, Dublin & Across Ireland

Sentor Electrical is a leading provider of comprehensive diesel generator solutions for commercial and industrial clients. From our base in Belfast, we sell, hire, service, and repair a wide range of units - from 5kVA mobile sets to 500kVA site-wide power systems - serving businesses throughout Northern Ireland and the Republic of Ireland.

24-Hour Emergency Generator Backup

Power failure doesn't stick to a schedule. Sentor provides a dedicated 24-hour generator backup service, ensuring that whether you are in Dublin or Derry, we can supply and install a generator to your site exactly when you need it most.

Protecting Your Mission-Critical Systems

Installing a generator is a vital step in protecting your infrastructure, but it isn't a "set and forget" solution. To guarantee continuous power, components must be maintained to the highest industry standards.

We offer Biannual Generator Service contracts (comprising Major and Minor services) across Ireland. Every visit concludes with a detailed technical report, outlining your generator’s condition and highlighting any necessary remedial work or repairs to ensure 100% startup reliability.

Load Bank Testing & Prevention

To prevent premature engine failure, we provide specialist Load Bank Hire and testing throughout Northern Ireland and the ROI. Regular testing is essential to prevent "wet stacking" - the buildup of unburned fuel that occurs when a generator is under-loaded. By running your unit at 50%-100% capacity during our tests, we ensure your engine reaches the optimal operating temperature to clear deposits and maintain peak efficiency.

Our Standard 4-Hour Response Includes:

We pride ourselves on rapid response times for maintenance and servicing, covering:

  • Comprehensive Checks: Fuel, Lubricating, Cooling, Air Intake and Exhaust systems.
  • Electrical Inspection: Control Panel, Instruments, Alternator and Battery health checks.
  • Load Bank Testing: Ensuring your unit can handle its rated capacity.
  • Full Certification: Complete service documentation and clear recommendations for remedial work.