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Omega SSRL660DC50: High-Capacity DC-Controlled Solid State Relay for Demanding Industrial Loads

Published on December 10, 2025
Omega SSRL660DC50: High-Capacity DC-Controlled Solid State Relay for Demanding Industrial Loads

The Omega SSRL660DC50 is a 50 A, 660 VAC solid-state relay engineered for high-load switching in industrial automation, heating systems, and power control applications. With its DC control input (4–32 VDC) and zero-voltage turn-on, this relay ensures smooth, reliable, and noise-free switching, making it ideal for sensitive electronic and industrial systems.

Designed by OMEGA Engineering, this relay offers exceptional isolation, robust build quality, and enhanced safety, making it a dependable component for high-power AC load switching in harsh industrial environments.


Key Features

  • High Output Capacity: Supports 50 A load current at up to 660 VAC.

  • Zero-Voltage Switching: Minimizes electrical noise and protects downstream equipment.

  • DC-Controlled Input: Works with 4–32 VDC, compatible with PLCs and automation controllers.

  • Wide Frequency Range: Operates smoothly between 47–63 Hz.

  • Exceptional Safety Isolation:

    • 2500 Vrms (Input/Output-to-Ground)

    • 4000 Vrms (Input/Output Isolation)

  • Durable Construction: Designed for industrial panel mounting with screw terminals.

  • High Surge Capacity: Up to 150 A for one cycle, 30 A for 1 second.


Product Specifications

SpecificationDetails
BrandOMEGA Engineering
Commodity Code8536.49.0050
Current Output50 A
Control Input Signal4–32 VDC
Supply Voltage48–660 VAC
Zero Voltage Turn-OnYes
Frequency Range47–63 Hz
Leakage Current0.25 mA
Isolation Ratings2500 Vrms / 4000 Vrms
Surge Current Rating150 A (1 cycle), 30 A (1 s)
Operating Temp. Range−20 °C to +80 °C
Storage Temp. Range−40 °C to +80 °C
Dimensions (W × H × D)2.4 in × 1.2 in × 1.85 in
Weight0.17 lb
Switch TypeSPST-NO
Voltage Max1200 V
Country of OriginMexico

Applications

  • High-temperature heaters

  • Industrial automation systems

  • Large AC motors and pumps

  • HVAC systems

  • Power distribution and control panels

  • Furnaces and resistive heating loads


Useful Resources


Tags: Omega, SSRL660DC50, Solid State Relay, High Voltage Relay, DC Control Relay, Industrial Automation, Power Switching, Panel Mount Relay
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