Burst pressure relay Application Suitable for the protection of transformers and other electrical equipment. When there is a dangerous sudden increase in pressure, the device sends an alarm signal. This alarm signal can be used for transformer tripping to prevent further damage, or only for event indicators. ☆ Characteristics ·The first relevant standard of QUALITROL, applicable to the detection and alarm of destructive sudden pressure All types of products are suitable for oil immersed or inflatable spaces ·Comprehensive testing of pressure relief rate is possible Options ·Horizontal or vertical installation ·Locking relay (QUALITROL 909), suitable for locking alarms or triggering signals · Electrical wiring system, cable specifications, length, and wire color ·Exhaust system ·On site testing tool (KIT-013) and manufacturer's testing device (HIX-601) · flange or thread installation