Download our 2025 Product Catalog for detailed drawings and technical parameters of all switchgear components.
Get Catalog Download our 2025 Product Catalog for detailed drawings and technical parameters of all switchgear components.
Get Catalog
Medium-voltage contactors switch power at 3.6 kV to 15 kV, but their control circuits operate at much lower auxiliary voltages—typically…
A distribution transformer leaves the factory as a tested, certified asset. What happens between dispatch and first energization often determines…
Understanding TRV and RRRV: The Voltage Stress That Follows Arc Extinction Transient Recovery Voltage (TRV) appears across circuit breaker contacts…
A withdrawable contactor drawer is a self-contained medium-voltage switching unit that slides in and out of a fixed switchgear compartment…
An earthing switch is a mechanical switching device that connects de-energized circuit conductors directly to earth potential, eliminating induced voltages,…
A procurement engineer walks into the manufacturer’s test bay. Three vacuum circuit breaker panels stand ready for inspection. The test…
Every arc extinguished inside a vacuum interrupter vaporizes microscopic contact material. After thousands of operations, this accumulated erosion determines whether…
Variable frequency drives draw current in pulses rather than smooth sinusoidal waves—and this fundamental difference forces a complete rethink of…
Transformer protection with VCB relies on understanding the electromagnetic transients that occur during energization and fault conditions. In troubleshooting protection coordination…