PSI6200.628-W1 Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
MPN: R911170392
The Bosch Rexroth Indramat PSI6200.628-W1 is a medium frequency inverter from the PSI Frequency Inverters series, featuring a water cooled system with a cooling port thread of M16x1.5. It operates with a mains voltage of 400 to 480 VAC and has a nominal current of 220 Amps. The inverter measures 653 mm in height, weighs 56 kilograms, and supports a maximum primary current of 1200 Amps.
Internal Product Review
The PSI6200.628-W1 is a medium frequency inverter engineered for demanding welding power applications, with water-cooled thermal management and a 400 to 480 VAC mains range. Strong current handling at 220 A nominal and 1200 A maximum primary current gives the unit impressive headroom during heavy-duty cycles. A 54 kA maximum secondary current makes the platform a very capable choice for high-output medium-frequency inverter service.
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Product Description:
Bosch Rexroth Indramat supplies the PSI6200.628-W1 as part of the PSI Frequency Inverters series. The product is a medium-frequency inverter that converts standard plant power into a regulated high-current waveform for automated heating, welding, or forming processes that require tightly controlled energy delivery. Integrated water connections and suitable cabinet dimensions allow the converter to be placed in a lineup of drive electronics without requiring a separate cooling module inside the enclosure. Its primary role in automation is to feed transformers or resonant circuits at stable intermediate frequencies, allowing repeatable process quality and precise control over the energy delivered during each operating cycle.
The electrical input accepts 400–480 VAC, giving the inverter sufficient voltage capacity for a range of three-phase power systems. Internal power devices generate heat, but basic cabinet losses are limited to 69 W and rise to 210 W when the inverter operates at maximum current. These values help determine the auxiliary ventilation needed within the enclosure. Heat is transferred to an external chiller through water cooling instead of being released directly into the surrounding air. The hydraulic path has a pressure drop of only 0.6 bar, so a low-pressure pump can maintain the required flow through the integrated heat exchanger.
During demanding cycles, the cooling circuit can dissipate up to 700 W of heat. The system must supply at least 4 l/min of water through the M16 × 1.5 ports while maintaining 100 mm of clearance for cabinet ventilation. The primary side can carry 1200 A, and the associated PSG 3100 busbar can deliver a secondary surge of 54 kA for rapidly changing process loads. Continuous operation is rated at 220 A, while 95 mm² supply cables and M6 mounting bolts help keep conductor heating within acceptable limits. The frame measures 653 mm × 288 mm × 280 mm and weighs 56 kg. A DeviceNet timer interface supports synchronized triggering with upstream control equipment.
