York S1-025-41291-000 Transformer
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York S1-025-41291-000 Transformer

York S1-025-41291-000 Transformer

Ensure reliable power conversion for commercial HVAC systems with the York S1-025-41291-000 Transformer. This heavy-duty 175VA transformer is engineered to step down high-voltage primary power from 460V or 575V to 230V, providing the specific secondary voltage required for control circuits and auxiliary components in rooftop units and chillers. Designed as a direct OEM replacement for York and Johnson Controls equipment, this unit maintains the precise electrical characteristics needed to prevent control board errors and relay chatter. The 460/575-230V transformer features a robust laminated core to handle the induction loads of industrial HVAC voltage conversion, ensuring stability across 60Hz frequencies. Contractors can rely on this part for its precise fitment and thermal stability in demanding mechanical environments.

Key Benefits
  • Multi-Tap Primary Flexibility: Supports both 460V and 575V primary inputs, allowing for versatile field installation in various commercial power configurations.
  • High Power Capacity: The 175VA rating provides ample overhead for complex control strings and multiple contactor pulls without voltage sag.
  • Simplified Integration: This OEM S1-025-41291-000 replacement utilizes standard footprint dimensions for quick swap-outs in existing York control cabinets.
  • Duty Cycle Stability: Built to withstand the high ambient temperatures found in rooftop enclosures while maintaining a clean 230V output.
Common Questions

What causes a transformer with these specs to hum or vibrate excessively?
Loud buzzing often indicates loose core laminations or an overcurrent condition on the 230V secondary side. Technicians should verify the total VA draw of all connected components to ensure the 175VA limit is not exceeded.

Can I use this to replace a 209D46 part number?
Yes, the York S1-025-41291-000 is a documented cross-reference for part 209D46, maintaining the same 460/575 to 230V conversion and power rating.

How do I troubleshoot a zero-voltage output on the secondary terminals?
First, confirm the primary voltage at the taps (460V or 575V). If primary power is present but the 230V secondary is dead, check for an open internal thermal fuse or a short in the secondary control loop that may have compromised the windings.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

$177.90
York S1-025-41291-000 Transformer
$177.90

York S1-025-41291-000 Transformer

Ensure reliable power conversion for commercial HVAC systems with the York S1-025-41291-000 Transformer. This heavy-duty 175VA transformer is engineered to step down high-voltage primary power from 460V or 575V to 230V, providing the specific secondary voltage required for control circuits and auxiliary components in rooftop units and chillers. Designed as a direct OEM replacement for York and Johnson Controls equipment, this unit maintains the precise electrical characteristics needed to prevent control board errors and relay chatter. The 460/575-230V transformer features a robust laminated core to handle the induction loads of industrial HVAC voltage conversion, ensuring stability across 60Hz frequencies. Contractors can rely on this part for its precise fitment and thermal stability in demanding mechanical environments.

Key Benefits
  • Multi-Tap Primary Flexibility: Supports both 460V and 575V primary inputs, allowing for versatile field installation in various commercial power configurations.
  • High Power Capacity: The 175VA rating provides ample overhead for complex control strings and multiple contactor pulls without voltage sag.
  • Simplified Integration: This OEM S1-025-41291-000 replacement utilizes standard footprint dimensions for quick swap-outs in existing York control cabinets.
  • Duty Cycle Stability: Built to withstand the high ambient temperatures found in rooftop enclosures while maintaining a clean 230V output.
Common Questions

What causes a transformer with these specs to hum or vibrate excessively?
Loud buzzing often indicates loose core laminations or an overcurrent condition on the 230V secondary side. Technicians should verify the total VA draw of all connected components to ensure the 175VA limit is not exceeded.

Can I use this to replace a 209D46 part number?
Yes, the York S1-025-41291-000 is a documented cross-reference for part 209D46, maintaining the same 460/575 to 230V conversion and power rating.

How do I troubleshoot a zero-voltage output on the secondary terminals?
First, confirm the primary voltage at the taps (460V or 575V). If primary power is present but the 230V secondary is dead, check for an open internal thermal fuse or a short in the secondary control loop that may have compromised the windings.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

Product Information

Shipping & Returns

Description

Ensure reliable power conversion for commercial HVAC systems with the York S1-025-41291-000 Transformer. This heavy-duty 175VA transformer is engineered to step down high-voltage primary power from 460V or 575V to 230V, providing the specific secondary voltage required for control circuits and auxiliary components in rooftop units and chillers. Designed as a direct OEM replacement for York and Johnson Controls equipment, this unit maintains the precise electrical characteristics needed to prevent control board errors and relay chatter. The 460/575-230V transformer features a robust laminated core to handle the induction loads of industrial HVAC voltage conversion, ensuring stability across 60Hz frequencies. Contractors can rely on this part for its precise fitment and thermal stability in demanding mechanical environments.

Key Benefits
  • Multi-Tap Primary Flexibility: Supports both 460V and 575V primary inputs, allowing for versatile field installation in various commercial power configurations.
  • High Power Capacity: The 175VA rating provides ample overhead for complex control strings and multiple contactor pulls without voltage sag.
  • Simplified Integration: This OEM S1-025-41291-000 replacement utilizes standard footprint dimensions for quick swap-outs in existing York control cabinets.
  • Duty Cycle Stability: Built to withstand the high ambient temperatures found in rooftop enclosures while maintaining a clean 230V output.
Common Questions

What causes a transformer with these specs to hum or vibrate excessively?
Loud buzzing often indicates loose core laminations or an overcurrent condition on the 230V secondary side. Technicians should verify the total VA draw of all connected components to ensure the 175VA limit is not exceeded.

Can I use this to replace a 209D46 part number?
Yes, the York S1-025-41291-000 is a documented cross-reference for part 209D46, maintaining the same 460/575 to 230V conversion and power rating.

How do I troubleshoot a zero-voltage output on the secondary terminals?
First, confirm the primary voltage at the taps (460V or 575V). If primary power is present but the 230V secondary is dead, check for an open internal thermal fuse or a short in the secondary control loop that may have compromised the windings.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

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