Single-Phase Solid State Relays (Integrated Heatsink, Left/Right Terminal Type) SRHL1 Series

Product Overview

The SRHL1 Series single-phase solid state relays are designed with integrated heatsinks to ensure efficient heat dissipation, making them ideal for reliable performance in demanding environments. The unique left/right terminal layout enhances installation flexibility, accommodating various setups and configurations. This series offers both zero cross turn-on and random turn-on models, providing options tailored to your specific application needs. Additionally, the SRHL1 relays include alarm functions for enhanced operational safety. The units can be easily mounted on a DIN rail or directly onto a panel, offering versatile installation options.

Key Features

• Integrated Heatsink: Ensures effective heat dissipation, improving the longevity and reliability of the SSR in high-temperature environments.
• Flexible Terminal Layout: The left/right terminal configuration allows for more versatile installation, adapting to different control panel designs.
• Multiple Voltage Ranges: Available in models supporting both 24 - 240 VAC and 48 - 480 VAC load voltage ranges.
• Rated Load Currents: Models are available with current ratings of 10 A, 15 A, 20 A, 25 A, and 40 A, catering to various load requirements.
• Turn-on Options: Choose between zero cross turn-on for reduced electrical noise or random turn-on for general-purpose use.
• Alarm Functionality: Overheat prevention mechanisms with visual and output alarm indicators (40 A models) ensure safer operation and prevent damage.
• Installation Options: Supports both DIN rail mounting and panel mounting, allowing integration into a wide range of setups.

Input Specifications

• Input Voltage Range: 10 - 30 VDC or 90 - 240 VAC (50/60 Hz)
• Allowable Input Voltage: 9 - 32 VDC or 85 - 264 VAC
• Operating Voltage: ≥ 9 VDC or ≥ 85 VAC
• Releasing Voltage: ≤ 1 VDC or ≤ 10 VAC
• Input Current: Max 15 mA (DC) or 22 mA (AC)
• Response Time:
  • Zero cross turn-on: ≤ 0.5 cycle + 1 ms
  • Random turn-on: ≤ 1 ms

Output Specifications

• Load Voltage Range:
  • 24 - 240 VAC (50/60 Hz)
  • 48 - 480 VAC (50/60 Hz)
• Allowable Load Voltage:
  • 24 - 264 VAC
  • 48 - 528 VAC
• Rated Load Current: Available in 10 A, 15 A, 20 A, 25 A, and 40 A.
• Surge Current:
  • Varies from 160 A to 500 A, depending on the model.
• Leakage Current: ≤ 10 mArms at 25 ℃
• Voltage Drop: ≤ 1.6 V during operation

Overheat Prevention

The SRHL1 Series includes a built-in overheat prevention function, which automatically cuts off the load output when the internal temperature exceeds safe limits. This feature helps to prevent damage to the relay and connected devices. In models rated for 40 A, an additional alarm output is activated when overheating occurs, providing an extra layer of protection.

Installation & Dimensions

The SRHL1 Series relays are designed for flexible installation. They can be mounted on a DIN rail or directly onto a panel, making them suitable for various control panel designs.

• Torque for Installation:
  • Input terminal: 0.75 to 0.95 N·m
  • Output terminal: 1.0 to 1.35 N·m for 10-25 A models, 1.6 to 2.2 N·m for 40 A models
• Dimensions:
  • Varies depending on the model, with a typical height of 97.6 mm and depth of 22.5 mm for models rated at 10-25 A.

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