Description

The SARM55D is a mechanical relay output board developed by Yokogawa for industrial automation systems. It provides 32 dry contact outputs and is designed for reliable switching in demanding environments.

Specifications

• Model Number: SARM55D

• Manufacturer: Yokogawa

• Contact Type: Mechanical relay (dry contact, NO/NC)

• Number of Contact Points: 32

• Rated Load Voltage:

  • 250V AC: 2A per point

  • 30V DC: 2A per point

  • 125V DC: 0.1A per point

• Minimum Load: 5V, 10mA

• Power Supply: 24V DC

• Current Consumption: Max. 0.65A

• Isolation Resistance: ≥10 MΩ (500V DC)

• Withstanding Voltage:

  • Field terminals to case: 2kV

  • Power terminals to case: 500V

  • Power terminals to field terminals: 2kV

• Mounting: 19-inch rack

• Dimensions: W: 482.6mm × H: 132.5mm (3U)

• Weight: 2.2kg

• Certifications: CE, C-Tick, KC

Features

• High-Density Output: 32 relay contacts for large-scale control

• Flexible Contact Configuration: Supports both NO and NC types

• Robust Isolation: High-voltage protection between circuits

• Reliable Switching: Stable performance for industrial loads

• Modular Integration: Compatible with ADV551, ADV561, and ATD5A modules

• Secure Wiring: M4 screw terminals for field device connection

• Signal Cable Options: AKB331 for 32-point, AKB337 for 64-point setups

• Industrial Compliance: Meets EMC and safety standards for global use