Services
TUZZ Tests and Inspections
We perform comprehensive tests and periodic inspections of TUZZ thyristor ground fault protection devices, as well as their repairs and modernization.
Expertise and Consultations
Expertise, consultations and opinions on solutions related to earth fault and shock protection in the vicinity of DC electric traction.
OgrStray Current Reduction
Issues related to limiting stray currents in the current circuits of the DC electric traction power supply system (railways, trams, metro), as well as in AC circuits related to electric traction.
Inspections and Calibration
Warranty and post-warranty inspections of the control and measurement devices we produce (IMR, TOZ, TWS) and issuing calibration certificates for these devices.
Customer support
We are happy to assist our clients – users of our products, design offices, and construction companies. We answer questions, offer advice, and provide assistance.
Training and Webinars
We organize training sessions on our products in the form of webinars. We provide structured knowledge in specific fields.
TOZ tester
Practical aspects of using the TOZ tester – testing TZD-1NR voltage limiting devices while maintaining safety.
IMR5 meter
Measurements of earth resistance in the vicinity of DC traction using rails as a current probe.
VLD Devices – TZD-1NR
Principles of using voltage limiting devices for earth fault protection in DC traction circuits.