SKU: 77484962384

SSR-25AA AC to AC Solid State Relay - 2 Pack

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Description

SSR-25AA AC to AC Solid State Relay - 2 PackSSR 25AA Solid State Relay Key Features Model: SSR 25AA Type: Single Phase Solid State Relay (AC to AC) Control Input Voltage: 80 250V AC Load Output Voltage: 24 380V AC Maximum Load Current: 25A Switching Method: Electronic, non mechanical for high speed operation Construction: Features an integrated aluminum heat dissipating base plate Replaces Cross Reference Part Numbers SSR 40AA RM1A23A25 RA2425D D2425 10 RN1A23D25 240A25 SSR 25AA H S2225X 25A H3

SSR-25AA Solid State Relay

Key Features

  • Model: SSR-25AA
  • Type: Single Phase Solid State Relay (AC to AC)
  • Control Input Voltage: 80-250V AC
  • Load Output Voltage: 24-380V AC
  • Maximum Load Current: 25A
  • Switching Method: Electronic, non-mechanical for high-speed operation
  • Construction: Features an integrated aluminum heat-dissipating base plate

Replaces / Cross-Reference Part Numbers

  • SSR-40AA
  • RM1A23A25
  • RA2425D
  • D2425-10
  • RN1A23D25
  • 240A25
  • SSR-25AA-H
  • S2225X
  • 25A-H3-380VAC
  • RJ1A48D25

Compatibility & Fitment

A general-purpose component for switching AC electrical loads. Suitable for applications within its specified voltage and amperage ratings, including:

  • Industrial automation and process control
  • Programmable Logic Controller (PLC) interface
  • Heating element and motor control
  • Lighting systems

When to Replace

  • Relay fails to activate the load circuit when control voltage is applied.
  • Relay remains in the "on" state, continuously powering the load circuit regardless of control voltage.
  • Intermittent or unreliable switching performance.
  • Visible signs of damage or overheating on the relay housing or terminals.

Installation Tips

  • Disconnect all power sources before installation or servicing.
  • A heat sink is required for reliable operation with loads exceeding 10A to prevent thermal failure.
  • Apply a thin layer of thermal compound between the relay's metal base and the heat sink surface.
  • Ensure all wire connections to the screw terminals are secure to prevent poor contact and overheating.
  • Verify that your application's control and load voltages are within the specified ranges for this relay.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 77484962384

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Reviewed in the United States on May 25, 2026
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Reviewed in the United States on May 5, 2026
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