Omega SSRL240DC25 Solid State Relay

Omega SSRL240DC25 Solid State Relay

The Omega SSRL240DC25 is a high-reliability solid state relay (SSR) designed for efficient and durable switching of AC loads. Utilizing a solid-state, silicon-controlled rectifier (SCR) design, this relay offers a multi-million cycle life, making it ideal for applications requiring frequent switching operations.

Key Features

• Load Current Capacity: Supports up to 25 amperes, suitable for controlling large resistance heaters and other substantial AC loads.
• Voltage Range: Operates within a nominal AC line voltage of 24 to 280 volts, providing flexibility across various applications.
• Control Signal Compatibility: Accepts DC control signals ranging from 3 to 32 volts, ensuring compatibility with a wide array of control systems.
• Zero Voltage Switching: Incorporates zero voltage switching to minimize electrical noise and reduce electromagnetic interference (EMI) and radio-frequency interference (RFI).
• LED Input Status Indicator: Features an LED indicator for clear visual confirmation of input status, enhancing operational monitoring.
• Operating Temperature Range: Functions effectively within temperatures from -20°C to 80°C, accommodating various environmental conditions.
• Mounting and Termination: Designed for panel mounting with screw terminals, facilitating straightforward installation and secure connections.

Applications

The SSRL240DC25 is particularly well-suited for controlling large resistance heaters in conjunction with temperature controllers. Its robust design and high current capacity make it an excellent choice for industrial heating applications, motor control, and other scenarios requiring reliable AC load switching.

Technical Specifications

• Contact Configuration: Single Pole Single Throw – Normally Open (SPST-NO)
• Maximum Contact Voltage Drop: 1.6 volts
• Off-State Leakage Current: 0.1 mA at 25°C ambient temperature
• Line Frequency Range: 47 to 63 Hz
• Isolation Voltage: 4000 Vrms input to output; 2500 Vrms input/output to ground
• Capacitance: 8 pF input to output (maximum)

For optimal performance and safety, it is essential to ensure proper wiring and to use a correctly rated, fast-blowing I²T fuse to protect the load circuit. This precaution helps prevent potential failures due to overload conditions.

The Omega SSRL240DC25 solid state relay combines durability, efficiency, and ease of use, making it a reliable component for various industrial and commercial applications requiring precise AC load control.