4 / 4.8 MVA Hermetically Sealed Substation - 44000V Delta Primary, 480Y/277V Wye-N Secondary - Mineral Oil, KNAN, ANSI Grey, Fan Cooled

Product Overview

4 / 4.8 MVA Hermetically Sealed Substation - 44000V Delta Primary, 480Y/277V Wye-N Secondary - Mineral Oil, KNAN, ANSI Grey, Fan Cooled is a product intended for professional commercial and industrial applications.

Key Specifications

• Temperature Rise: This unit features a 65°C ambient temperature rating, increased reliability, and longer life. At 65°C temperature rise, the transformer offers 4.8 MVA (4800 KVA). The transformer meets standard efficiency requirements. The combination of low temperature rise and high efficiency makes this unit suitable for use in electrical rooms, air conditioned spaces in buildings, underground vaults and similar locations, in addition to outdoor areas.
• Insulation Fluid: The MT-PSTH-R7-3P-DRC-4MVA-GE-HNS-LNS-A6-BBF-CZ-2ZZ-M1 transformer features Biodegradable Oil (KNAN-KNAF).
• Gauges: The following gauges are included with the system: oil level indicator, oil thermometer, and pressure/vacuum gauge. Standard oil level indicator, oil thermometer, and pressure/vacuum gauges are analog, manual reading types. These gauges do not have alarm contacts.
• Fault Pressure Devices: There are no fault pressure devices on the unit. Fault pressure devices are used to detect high rates of pressure rise within the tank.
• Rapid Rise Relay: There are no rapid rise relays on the unit. This safety component is designed for protection when a rapid increase in tank pressure occurs. The relay is suitable for detecting sudden pressure fluctuations above predetermined safe limits.
• Surge arresters: This system comes with surge arresters on the primary and secondary side. Designed for over-voltage and transient voltage protection, the components prevent damage caused by lightning, internal switching or voltage surges. We can offer models without high elbow surge arresters that have mounting provisions for customer-provided surge arresters.
• Load Breaker Switch: The transformer is not equipped with a load breaker switch.
• Valves: The MT-PSTH-R7-3P-DRC-4MVA-GE-HNS-LNS-A6-BBF-CZ-2ZZ-M1 is equipped with an oil drain valve, an oil sampling valve, and a pressure relief valve.
• Protection Fuses: This transformer does not have bayonet protection fuses on the primary side. For units without protection fuses, up stream protection is provided. We recommend provisions for protection fuses when possible, as blown fuses may require more frequent oil changes.
• Terminal Connections: The primary terminal connections are located on the top of the transformer and the secondary terminal connections are side mounted. We can configure the location to be top located or side located for both the high voltage and low voltage sides.

This item is grouped with Medium Voltage Pad Mount Transformers.

Before ordering: Verify ratings, dimensions, compatibility, and installation requirements before ordering.