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PSI 6300.315L2 Bosch Rexroth Indramat

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The Bosch Rexroth Indramat PSI 6300.315L2 is a medium frequency inverter from the PSI Frequency Inverters series. This model supports a mains voltage of 480 to 690 VAC, operates with air cooling, and has a protection rating of IP20. The inverter includes an integrated power supply unit with a maximum output of 2 Amps at 24 VDC and weighs approximately 21 kilograms.

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Product Description:

The PSI 6300.315L2 is a medium-frequency inverter produced by Bosch Rexroth Indramat for the PSI Frequency Inverters series. It conditions incoming three-phase energy and delivers a controlled high-frequency output that drives induction heating coils, high-speed rotors, or other loads that operate beyond standard mains frequency. Within an automation cell, the device serves as a dedicated power stage, allowing precise regulation of process temperature, spindle velocity, or material properties without mechanical gearing. The built-in 24-volt auxiliary supply and forced-air cooling permit straightforward installation in a ventilated control cabinet.

The electrical interface accepts three-phase input at 480 to 690 VAC, so the inverter connects directly to high-voltage plant feeders without an autotransformer. Input synchronization is maintained at 50 or 60 Hz, enabling use in regions that follow either utility standard. An ingress protection rating of IP20 indicates protection against accidental contact with live parts, but the inverter must be installed inside an enclosure that protects it from dust and splashing water. Control electronics and external sensors are supplied by an integrated 24-volt rail that delivers up to 2 A. The stabilized output is 24 VDC, eliminating the need for a separate auxiliary power supply module. Climatic category 3K3 according to EN 60721-3-3 indicates suitability for indoor areas with moderate humidity and minimal condensation.

The air-cooled design releases up to 360 W of heat through its integral fans, a value that can be used when sizing cabinet exhaust systems or forced-air plenums. Reliable operation is permitted from +10 to +55 °C, allowing installation near other heat-generating drives when adequate cabinet airflow is maintained. During storage, the electronics can withstand temperatures from -25 to +70 °C. The chassis weighs 21 kg, so the selected DIN rails or shelf brackets must provide sufficient load-bearing capacity. Cabinet spacing should allow unobstructed airflow around the cooling inlets and outlets. The operating and storage temperature ranges should also be considered when selecting the enclosure location and ventilation system.

Climatic Category
3K3 according to EN 60721-3-3
Cooling Method
Air Cooled
Degree of protection
IP 20
Integrated power supply unit Output current
max. 2 A
Integrated power supply unit Output voltage
24 VDC
Mains frequency
50 or 60 Hz
Mains Voltage
480 - 690 VAC
Max. cooling losses
360 W
Product Type
Medium Frequency Inverter
Temperature range Operation
+10 -+55 ºC
Temperature range Storage / transport
-25 - +70 ºC
Weight
approx. 21 kg

Frequently Asked Questions about PSI 6300.315L2:

Q: What is the accepted mains voltage range for the PSI 6300.315L2 inverter?

A: The PSI 6300.315L2 supports a mains voltage range of 480 to 690 VAC for flexible compatibility with different supply systems.

Q: What cooling method does the PSI 6300.315L2 utilize?

A: This frequency inverter is air cooled, using airflow to dissipate heat during operation.

Q: What are the output specifications of the integrated power supply on the PSI 6300.315L2?

A: The integrated power supply on this model provides an output voltage of 24 VDC with a maximum output current of 2 A.

Q: What is the degree of protection for the PSI 6300.315L2 inverter?

A: The PSI 6300.315L2 has a degree of protection rated at IP20, offering basic protection from solid objects greater than 12 mm.

Q: What are the permissible operating and storage temperature ranges for the PSI 6300.315L2?

A: This inverter operates within a temperature range of +10°C to +55°C and can be stored from -25°C to +70°C.


Internal Product Review

  • ‘‘The PSI 6300.315L2 is a medium frequency inverter engineered for consistent performance in demanding automation systems. Air-cooled construction and a 480 - 690 VAC mains range give the unit strong thermal management and useful installation flexibility. The integrated 24 VDC power supply with 2 A output is a valuable feature for streamlined panel design.’’

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