PSI6100.625-L1 Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
MPN: 1070086167
The Bosch Rexroth Indramat PSI6100.625-L1 is a medium frequency inverter from the PSI Frequency Inverters series. The unit supports a mains voltage of 400 to 480 VAC, is air cooled, and has a 3-phase configuration. It features a maximum output current of 400 Amps, cabinet rating of IP54, and an integrated temperature monitoring system.
Internal Product Review
The PSI6100.625-L1 is a medium frequency inverter configured for recessed mounting. A 400 to 480 VAC input and 400 A maximum output current support stable performance in high-demand applications. Integrated temperature monitoring and an IP54 cabinet rating make the inverter a strong choice for demanding installations.
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Product Description:
The PSI6100.625-L1 is a medium-frequency inverter produced by Bosch Rexroth Indramat for the PSI Frequency Inverters series. It converts a three-phase utility supply into a regulated medium-frequency output for induction heating coils, surface hardening systems, and other high-power process loads in automated lines. This type of output supports fast thermal response during repetitive production cycles where the load must heat quickly and repeatedly without relying on a conventional line-frequency transformer.
The inverter accepts a three-phase mains window of 400 – 480 VAC and modulates this at a carrier of 1 kHz to form the required secondary waveform. During continuous duty, the power channel carries 110 A, while cabinet dissipation is limited to 69 W, which helps determine enclosure airflow and heat removal requirements inside the panel. The IP54 cabinet rating keeps dust and splashing liquids away from the power electronics, while control terminals remain behind an internal IP20 barrier for wiring safety. Air-cooled construction removes heat from the semiconductor stack, and a recessed mounting style lets the drive sit flush with panel surfaces to conserve floor depth. Metal-oxide varistors handle overvoltage events, integrated temperature monitoring supervises the heat sinks, and a DeviceNet timer coordinates start, dwell, and stop sequences with neighboring PLC logic.
Transient demands are handled by a peak output of 400 A, while the transformer secondary can momentarily deliver 20 kA to the workpiece for short heating cycles. When cooling air reaches its design limit, the unit can shed up to 360 W of heat, and sensors initiate derating before internal limits are exceeded at 55 °C ambient. Three-phase topology maintains input symmetry across the mains, and the MOV devices supplement the thermal watchdog to prevent fault energy from reaching sensitive circuits. The air path is isolated from the control boards, allowing fan service without disturbing low-voltage sections, and all power and signal connections are front-loaded to suit recessed installations and simplify access from the cabinet front.
