Description
Product Specifications
| Parameter Name | Parameter Value |
| Product model | HYRSP-1500-56 |
| Manufacturer | Pioneer Magnetics |
| Product category | High-Frequency Transformer / Switching Power Transformer |
| Electrical performance | Input: 48 VDC; Output: 56 VAC @ 27 A (typical) |
| Physical size | Standard chassis mount (approx. 150 x 100 x 75 mm) |
| Interface type | PCB terminal or wire leads |
| Communication protocol | Not applicable |
| Environmental requirements | Operating temperature: -40°C to +100°C; Humidity: up to 95% RH non-condensing |
| Installation method | Chassis mount or panel mount |
| Performance indicators | Efficiency >90%, operating frequency 100 kHz typical |
| Additional features | Isolation between primary and secondary, UL/cUL certified |
Product Introduction
The Pioneer Magnetics HYRSP-1500-56 is a high-frequency switching transformer designed for use in high-efficiency power conversion systems. This model is commonly used in DC-AC inverter circuits, uninterruptible power supplies (UPS), telecommunications power systems, and industrial switch-mode power supplies (SMPS).
The HYRSP-1500-56 is engineered for reliability and efficiency, featuring isolation-rated windings that ensure safety and compliance with international standards such as UL and cUL. It operates at a typical switching frequency of 100 kHz, allowing for compact circuit design and reduced magnetic component size while maintaining low core losses.
This transformer provides a stable output voltage of 56 VAC with a current capacity of up to 27 A, making it suitable for applications requiring high power density and thermal stability. Its robust construction ensures long-term performance in harsh environments, including industrial control cabinets, telecom equipment racks, and outdoor power systems.
Designed with flexibility in mind, the HYRSP-1500-56 can be integrated into both isolated and non-isolated topologies, supporting designs such as forward converters, push-pull inverters, and resonant converter architectures.

PIONEER MAGNETICS HYRSP-1500-56
Main Features and Advantages
High-frequency operation
Operating at 100 kHz or higher, the HYRSP-1500-56 enables smaller magnetic components and reduces overall system weight and volume compared to traditional low-frequency transformers. This contributes to more compact and lightweight power supply designs.
High-efficiency performance
With efficiency exceeding 90%, this transformer minimizes energy loss during power conversion, reducing heat generation and improving system thermal management. This makes it ideal for applications where power density and thermal performance are critical.
Reinforced isolation
The transformer provides reinforced insulation between primary and secondary windings, meeting stringent safety standards for electrical isolation. This feature is essential in medical, telecom, and industrial applications where operator safety and system reliability are paramount.
Wide operating temperature range
Capable of functioning from -40°C to +100°C, the HYRSP-1500-56 is suitable for deployment in extreme environmental conditions, ensuring consistent performance across a wide range of applications and geographic locations.
Compatibility with SMPS topologies
Designed to work seamlessly within various switch-mode power supply architectures, including full bridge, half bridge, and push-pull configurations, the HYRSP-1500-56 offers flexibility for engineers developing custom power conversion solutions.
Application Areas
Telecommunications infrastructure
Used in telecom rectifiers, base station power supplies, and fiber optic network equipment, the HYRSP-1500-56 supports efficient and reliable DC-AC power conversion in high-density telecom systems.
Industrial power systems
Integrated into programmable automation controllers (PACs), motor drives, and industrial UPS systems, this transformer delivers isolated AC outputs for powering remote devices and sensors in factory automation settings.
Renewable energy systems
In solar inverters and energy storage systems, the HYRSP-1500-56 serves as a key component in the DC-to-AC conversion process, contributing to high-efficiency grid-tied and off-grid renewable energy solutions.
Medical and test equipment
Utilized in diagnostic imaging equipment, laboratory instruments, and portable medical devices, the HYRSP-1500-56 ensures safe and regulated power delivery with reinforced isolation for patient and operator protection.
Related Products
Pioneer Magnetics HYRS-1000 Series: Lower power variants of the HYRSP-1500-56, often used in small-scale SMPS and isolated DC-DC converters
Pioneer Magnetics HYLFT-3000 Series: Similar high-frequency transformers used in higher power applications such as electric vehicle charging stations and large UPS systems
TDK-Lambda CUS150M: Compatible 1500W modular power supply unit often paired with the HYRSP-1500-56 for scalable power conversion systems
Vicor BCM4414: Alternative isolated bus converter used in parallel with HYRSP-1500-56-based systems for advanced power architecture designs
Mean Well NDS-1500-48: High-power DC-DC converter compatible with the HYRSP-1500-56 in hybrid power systems requiring multiple voltage conversions
Bel Power Solutions TMS1500 Series: Modular transformers used alongside HYRSP-1500-56 in redundant or multi-phase power supply configurations

PIONEER MAGNETICS HYRSP-1500-56
Installation, Commissioning, and Maintenance Instructions
Before installing the HYRSP-1500-56, ensure that the mounting location is clean, dry, and allows for adequate airflow to prevent overheating. Confirm that all connected circuitry is de-energized and that appropriate ESD precautions are taken when handling the transformer.
During commissioning, verify that the input voltage matches the rated 48 VDC and that the load on the secondary side does not exceed 27 A. Use an oscilloscope to monitor waveform integrity and check for signs of saturation or distortion. Ensure that the PCB connections or wiring terminals are secure and properly insulated to prevent short circuits.
For ongoing maintenance, periodically inspect the HYRSP-1500-56 for signs of overheating, discoloration, or physical damage. Monitor the output voltage under varying load conditions to ensure regulation remains within acceptable limits. Maintain proper documentation of operating parameters and any observed anomalies to assist with predictive maintenance strategies.






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