YU-1SDA038312R1 220-240V 50/60Hz_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Parameters Parameter Specification Product Name ABB YU-1SDA038312R1 Undervoltage Release Coil Part / Order Code YU-1SDA038312R1 / 1SDA038312R1 Product Type Undervoltage Release (UVR) Accessory Application Remote undervoltage protection for low-voltage circuit breakers Compatible Breaker Series ABB SACE Emax / E1–E6 frames and similar Rated Control Voltage 220–240 V (AC/DC) Frequency Range 50 Hz / 60 Hz Operating Function Trips circuit breaker when supply voltage drops below preset undervoltage threshold Mounting / Integration Installed as an accessory on auxiliary trip terminals of breakers Environmental Conditions Designed for industrial use (panel/enclosure mounting) Typical Operating Temperature Standard industrial range (panel environment) Weight Approx. 0.7–2.3 kg depending on packaging/configuration Standards / Compliance Conforms to ABB accessory product specifications and safety requirements

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DESCRIBE

The ABB YU-1SDA038312R1 is an undervoltage release (UVR) accessory for ABB low-voltage circuit breakers (such as the SACE Emax/E1–E6 series). It is designed to monitor the supply/control voltage and automatically trip (open) the circuit breaker when the supply voltage falls below a safe threshold. This protection helps prevent malfunction, damage to electrical equipment, and unsafe operating conditions in industrial, commercial, and automation systems. The device operates reliably across both 50 Hz and 60 Hz power systems and is suitable for integration in control panels and power distribution equipment.

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