PSI6100.630-W1 Bosch Rexroth Indramat
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MPN: R911327727
The Bosch Rexroth Indramat PSI6100.630-W1 is a medium frequency inverter from the PSI Frequency Inverters series with a maximum output current of 400 Amps and a nominal system current of 110 Amps. It features water cooling with a flow rate of 4 liters per minute and supports a control supply of 24 VDC. This inverter has an IP20 protection rating and operates with mains voltages between 400 and 480 VAC.
Internal Product Review
The PSI6100.630-W1 is a medium frequency inverter designed for industrial power conversion, with 400 to 480 VAC mains input and water-cooled operation. IP20 protection and a 400 A maximum output current give the unit strong cabinet compatibility and impressive current-handling capability.
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Product Description:
The PSI6100.630-W1 is a medium-frequency inverter manufactured by Bosch Rexroth Indramat within the PSI Frequency Inverters series. It converts a 400–480 VAC mains supply into controllable medium-frequency current for automated heating or joining equipment, allowing process controllers to adjust power without mechanical switching. An internal logic rail supports the control circuitry, while the compact, water-cooled construction limits heat buildup inside production cabinets and supports installation near other automation equipment.
Cabinet self-heating is limited to 69 W of basic power loss, while the pulse-width modulation stage switches at 1 kHz to shape the output waveform. The control electronics receive power from a separate 24 VDC feed, isolating their supply from the main power section. The closed cooling circuit requires a flow rate of only 4 l/min to stabilize the IGBTs during operation. Under maximum load, the heat exchanger must remove up to 420 W, and the power section can deliver a peak current of 400 A to the connected transformer. The enclosure has an IP20 protection rating, and the input range supports standard three-phase utility grids. The water loop connects through an M16×1.5 port, and the inlet water temperature must not exceed 30 °C. The inverter can operate at ambient temperatures up to 55 °C when the required coolant flow and inlet temperature are maintained.
The PSG 3100 secondary circuit connected to the inverter can accept up to 20 kA, supporting the high-current output required by resistance heating heads. Steady operation draws a nominal system current of 110 A, which supports sustained process cycles below the secondary circuit limit. The controller can store 256 individual programs, allowing separate operating sequences to be retained for different production tasks. Device timing is managed by a DeviceNet timer that draws 1.5 A during normal cycles and 2.0 A for 10 ms at startup. These timing and storage functions allow the inverter to coordinate repeatable current delivery with an external automation controller while the cooling circuit manages heat from the power electronics.
