HFE3500 Front-End Power Supplies

TDK-Lambda HFE3500 Front-End Power Supplies are 3500W AC-DC industrial devices that can be operated in a hot-swap redundant configuration and used to provide up to 13.3kW of bulk power in a single 1U rack. Each 19” 1U high rack fits up to four power supplies, and three full racks can be paralleled for a single-output configuration. These power supplies feature internal O-ring MOSFETs and current share for automatic parallel operation. Communication is possible via the built-in isolated PMBus™ (I2C) interface or LAN option. TDK-Lambda HFE3500 Front-End Power Supplies come with AC fail, DC good, remote on/off, remote output adjust, and a 5V or 12V auxiliary output.

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
TDK-Lambda Power Supplies - Rack Mount AC-DC, Rack Mount, 85-264V, 24V 146A, 3504W, 5V 2A Standby, PMBus, Single AC Fuse
Datasheet
2Expected 10/6/2026
Min.: 1
Mult.: 1
TDK-Lambda Power Supplies - Rack Mount AC-DC, Rack Mount, 85-264V, 24V 146A, 3504W, 12V 1A Standby, PMBus, Dual AC Fuses
Datasheet
4Expected 10/6/2026
Min.: 1
Mult.: 1
TDK-Lambda Power Supplies - Rack Mount AC-DC, Rack Mount, 85-264V, 24V 146A, 3504W, 12V 1A Standby, PMBus, Single AC Fuse
Datasheet
10Expected 1/27/2027
Min.: 1
Mult.: 1
TDK-Lambda Power Supplies - Rack Mount AC-DC, Rack Mount, 85-264V, 48V 73A, 3504W, 12V 1A Standby, PMBus, Single AC Fuse
Datasheet
10Expected 11/4/2026
Min.: 1
Mult.: 1
TDK-Lambda Power Supplies Accessories ACCS, 1U 19" Rack for HFE3500, Four Slot, Terminal Block Input
Datasheet
8Expected 12/9/2026
Min.: 1
Mult.: 1
TDK-Lambda Power Supplies - Rack Mount AC-DC, Rack Mount, 85-264V, 24V 146A, 3504W, 5V 2A Standby, PMBus, Dual AC Fuse
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1
Mult.: 1
TDK-Lambda Power Supplies - Rack Mount AC-DC, Rack Mount, 85-264V, 48V 73A, 3504W, 5V 2A Standby, PMBus, Dual AC Fuse
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1
Mult.: 1
TDK-Lambda Power Supplies - Rack Mount AC-DC, Rack Mount, 85-264V, 48V 73A, 3504W, 5V 2A Standby, PMBus, Single AC Fuse
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1
Mult.: 1
TDK-Lambda Power Supplies - Rack Mount AC-DC, Rack Mount, 85-264V, 48V 73A, 3504W, 12V 1A Standby, PMBus, Dual AC Fuse
Datasheet
Non-Stocked Lead-Time 23 Weeks
Min.: 1
Mult.: 1