Distribution Transformers: Secondary Units
Frequency: 50 Hz, 60Hz
Standard: IEEE, CSA, IEC
Tank Type: Secondary Unit Substation (SUSS), Station
Base rating: 45 kVA through 10,000 KVA
High Voltage (HV): 2.5 kV through 46 kV
Low Voltage (LV): 120 V through 25,000 V
Windings: Copper, Aluminum
*Available in various design configuration to accommodate application of the transformers
Temp Rise: 55C, 55/65C, 65C, 75, 65/75, 55/65/75
Cooling Class: ONAN, ONAN/ONAF, KNAN, KNAN/KNAF
Oil: Cross Tran Mineral Oil, FR3 Enviro Temp
Tank Cover: Welded, Bolted
Tank Handholes: 10×13, 10×16, 13×19, 15×24
Tank Base: Gull-Wing, Inverted Channel
HV Bushing Security: Air Terminal Chamber, Flange, Throat, hinged or bolted access, etc.
LV Bushing Security: Air Terminal Chamber, Flange, Throat, hinged or bolted access, etc.
Paint: Standard Gray (ASA #70 GRAY), Customizable Colors, etc.
Steel: Mild Steel, 304 Stainless Steel
HV Bushing Location: IEEE segment 1-4, Cover or Side
HV Terminations: Porcelain Bushings, Eyebolts, Spades, Condenser Type Bushings, Etc.
LV Bushing Location: IEEE segment 1-4, Cover or Side
LV Terminations: Epoxy Bushings, Studs, Spades, Eyebolts, Porcelain Bushings, Eyebolts, Spades, Condenser Type Bushings, Etc.
Fusing: Bayonet, Weak Link Cartridge, Partial Range Current Limiting Fuse (CLF), Molded Vacuum Interrupter, Vacuum Fault Interrupter.
Breakers: Under Oil, Molded Case
Arresters: Distribution Class, Intermediate Class, Station Class
Fill/ Drain Provisions: Plug, Valve, Valve w/ Sampler
Gauges: Liquid Level, Liquid Temperature, Pressure Vacuum, Winding Temperature, Additional Contacts, etc.
Pressure Relief Devices: Pressure Relief Valve, Cover Mounted Pressure Relief Device, etc.
Misc.: Rapid Rise Relay, Fill Valve, Gas Test Valve, Grounding Resistor, Ground Lugs, Schrader Valve, Ground Pads, Metering, etc.
Please download our Instruction Manual to learn how to correctly install and operate our Three-Phase Secondary Unit Substation and Station Type Transformers.