Preventive maintenance:

• Partial disassembling
• Movable parts lubrification
• Spring renewal
• Contacts adjusts
• Calibration and tests of overload and under voltage

Corrective maintenance:

• Fabrication of shafts, pins and springs
• Renewing contacts
• Repairs on damages in mechanical circuits
• Calibration and tests
• Repairs in circuit breakers Siemens, AEG, Tresaki, ASEA, Sace, Merlin Gerin, etc.