PSD Single-Phase Pole-Mounted Transformers Help
Effective Date: August 2023
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One set of arrester mounting bosses is standard for all single-phase poles.
Below is a visual representation of the depth, width, and diameter of an overhead unit
For all gauges, unless mentioned, Qualitrol branded gauges are the standard.
Liquid Level Gauge: Use to measure and monitor the fluid level within the system
Thermometer: Use to monitor temperature conditions within the system
Pressure Vacuum Gauge: Use to monitor pressure level within the system
Pressure relief device: Used to maintain safe pressure levels in the system.
Drain valve with sampler: Drain valve equipped with a sampler, allowing for the collection and analysis of oil from inside the tank.
Cartridge: Cartridge-style fuses are internal to the transformer and are replaced by removing the cover or through the manhole cover of the transformer. Catalog CA132051EN on Eaton.com
ELSP: ELSP current limiting backup fusing, which may be used as part of the Overcurrent Protection system. This works in conjunction with Bayonet Fusing, Cartridge Fusing, or a VFI to provide additional OCP. Catalog CA132013EN on Eaton.com
MagneX Primary Breaker: The MagneX primary breaker iss an interrupter external to the tank. It uses funcitonalities of a Bay-O-Net fuse, and a loadbreak switch to be combined into a single component. Catalog CA132016EN on Eaton.com