PSR4/5-212
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The Kollmorgen PSR4/5-212, part of the PSR Servo Power Supplies series, operates on a 3-phase input with a main AC line voltage of 207-253 VAC. It delivers 3.6 KW of output power, a peak current of 48 Amps for 50 milliseconds, and a continuous current of 12 Amps. The unit features a DC output voltage of 310 VDC.
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Product Description:
The PSR4/5-212 Servo Power Supply designed and developed by Kollmorgen is a perfect solution for industrial automation applications. This power supply relates to the PSR Servo Power Supplies Series. This servo power supply is engineered for durability and system compatibility.
The PSR4/5-212 servo power supply operates on 1 to 3 phases which allows compatibility with different industrial power setups. The input frequency range is between 47 and 63 Hz which helps the power supply to operate in various regions. The main AC line input voltage for the PSR4/5-212 PSR servo power supply ranges from 160 to 253 VAC. Voltages outside this range can damage the power supply and it support both 50 Hz and 60 Hz power systems. The continuous current per phase is rated at 12 Amps. The peak current per phase is 24 Amps RMS for 2 seconds. As a result, short bursts of high power can be generated when needed. It prevents the system from tripping when load is suddenly changed. The control AC input voltage ranges from 90 to 132 VAC. This powers internal control electronics separate from the main supply. Staying within range ensures stable control operation. This power supply ensures continuous operation with precise current control and protection features.
The PSR4/5-212 PSR servo power supply shunt regulator handles up to 15 Amps of current and dissipates excess energy to maintain voltage stability. This protects the system during regenerative braking or overvoltage. This power supply dissipates 40 watts during normal operation which helps ensure safety and efficiency. The internal heat dissipation is rated at 120 watts which is the heat generated inside during typical usage. Sufficient thermal management is important to maintain reliability.
Frequently Asked Questions about PSR4/5-212:
Q: Why is a separate control AC input used in the PSR4/5-212 power supply?
A: A separate control AC input ensures stable operation of internal electronics, independent of main power fluctuations. This improves reliability and prevents control loss during input disturbances.
Q: How does the PSR4/5-212 manage sudden high load conditions effectively?
A: It provides a 24A RMS peak current for 2 seconds, allowing short bursts of high power. This prevents tripping during rapid load changes or motor acceleration.
Q: What role does the shunt regulator play in the PSR4/5-212 servo power supply?
A: The 15A shunt regulator dissipates excess energy during braking or overvoltage events. This protects the system and maintains voltage stability under regenerative conditions.
Q: Why is thermal management important for the PSR4/5-212 power supply?
A: It dissipates up to 120W of internal heat during operation, which must be managed. Proper cooling ensures long-term reliability and avoids thermal shutdowns.
Q: How does frequency compatibility enhance the PSR4/5-212's global usability?
A: It supports 47–63 Hz input frequency, making it compatible with global power standards. This enables deployment across different regions without requiring conversion equipment.
