A5E38977502 Siemens Inverter Power Supply Unit Robicon SINAMICS GH180 Component
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Dimensions: 12.2 x 10.7 x 3 cm
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Country of origin: Germany
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Payment: T/T, Western Union
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Shipping port: Xiamen
Product Overview
The Siemens A5E38977502 is a high-performance power conversion module specifically engineered for the SINAMICS Perfect Harmony GH180 variable frequency drive (VFD) series. Functioning as a specialized inverter power supply unit, this component is responsible for the stable rectification and regulation of voltage within the drive's modular cell architecture. By converting three-phase AC input into a high-precision DC bus voltage, the A5E38977502 ensures that industrial motors receive consistent power, even under varying load conditions. Its advanced circuitry is optimized for maximum thermal efficiency and minimal harmonic distortion, making it a critical asset for maintaining the longevity and reliability of medium-voltage drive systems.
Hardware Infrastructure and Power Metrics
This power supply unit is characterized by its high energy density and stringent electrical tolerances, designed for seamless integration into Robicon-based architectures:
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Input Voltage Parameters: Supports a 3-phase AC range of 380V to 480V (+/- 10%) with a frequency tolerance of 47 to 63Hz.
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Conversion Output: Delivers a stabilized DC bus voltage ranging from 510V to 720V DC for downstream inverter stages.
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Energy Efficiency: Achieves a peak efficiency rating exceeding 96% at full load, reducing localized heat generation.
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Power Quality: Features a high power factor of >0.98 (AFE models), significantly lowering reactive power demand on the plant grid.
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Compact Mechanical Profile: Dimensions of 12.2 x 10.7 x 3 cm and a lightweight 0.38 kg mass allow for high-density mounting within power cells.
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Protection Logic: Integrated circuitry handles voltage fluctuations and transient surges to prevent damage to sensitive PLC control interfaces.
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Manufacturing Standard: Produced in Germany under strict industrial quality controls to meet global safety and performance certifications.
Industrial Applications and System Utility
The A5E38977502 is essential for heavy-duty drive applications where power stability is non-negotiable:
| Application Sector | Operational Role |
| Medium Voltage Drives | Serving as the core power regulator for individual cells within the SINAMICS GH180 series. |
| Extractive Industries | Powering large-scale slurry pumps and ventilation fans in mining operations requiring 24/7 uptime. |
| Petrochemical Plants | Managing the power conversion for high-capacity compressors and agitators in hazardous environments. |
| Water Distribution | Regulating the high-voltage motor starters for municipal pumping stations and desalination skids. |
| System Maintenance | Providing a direct, drop-in replacement for aging Robicon power units to restore original efficiency ratings. |
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Shipping & Returns
Shipping
- Emergency Dispatch: Same-day shipping for in-stock orders placed before 2:00 PM (GMT+8).
- Premium Carriers: Reliable global delivery via DHL, FedEx, and UPS to 150+ countries.
- Flexible Options: We support shipping via your own carrier account (DHL/FedEx/UPS).
- Industrial Packaging: Professional ESD protection and reinforced shock-absorbent packaging.
Returns
- 30-Day Window: Request a return within 30 days of receipt for eligible items.
- Condition: Items must be in their original, factory-sealed condition with all tags.
- Hassle-Free Process: Contact sales@maxwellplc.com for a return label and instructions.
- Fast Refunds: Approved refunds are processed to your original payment method within 10 days.
Shipping & Returns
Shipping
- Emergency Dispatch: Same-day shipping for in-stock orders placed before 2:00 PM (GMT+8).
- Premium Carriers: Reliable global delivery via DHL, FedEx, and UPS to 150+ countries.
- Flexible Options: We support shipping via your own carrier account (DHL/FedEx/UPS).
- Industrial Packaging: Professional ESD protection and reinforced shock-absorbent packaging.
Returns
- 30-Day Window: Request a return within 30 days of receipt for eligible items.
- Condition: Items must be in their original, factory-sealed condition with all tags.
- Hassle-Free Process: Contact sales@maxwellplc.com for a return label and instructions.
- Fast Refunds: Approved refunds are processed to your original payment method within 10 days.
Warranty
Warranty
- 12-Month Guarantee: A comprehensive one-year warranty covers all functional defects.
- Authenticity: Every part is guaranteed 100% original, brand-new, and genuine.
- Expert Support: Dedicated technical assistance to verify and resolve any hardware issues.
- Peace of Mind: Long-term reliability support for all your mission-critical automation parts.
Warranty
Warranty
- 12-Month Guarantee: A comprehensive one-year warranty covers all functional defects.
- Authenticity: Every part is guaranteed 100% original, brand-new, and genuine.
- Expert Support: Dedicated technical assistance to verify and resolve any hardware issues.
- Peace of Mind: Long-term reliability support for all your mission-critical automation parts.
Secure Payment
Secure Payment
- Flexible T/T: 100% T/T for stock items; 30% deposit / 70% balance for lead-time orders.
- Local Friendly: RMB transfers are accepted if you have a local agent in China.
- Best Price: Our Best Price Guarantee ensures you get the most competitive market rates.
- Data Safety: All transactions are processed through encrypted and secure banking channels.
Secure Payment
Secure Payment
- Flexible T/T: 100% T/T for stock items; 30% deposit / 70% balance for lead-time orders.
- Local Friendly: RMB transfers are accepted if you have a local agent in China.
- Best Price: Our Best Price Guarantee ensures you get the most competitive market rates.
- Data Safety: All transactions are processed through encrypted and secure banking channels.
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