ABB 1SDA073698R1 Undervoltage Release 110-120V AC/DC for Tmax Circuit Breaker Protection

ABB · Circuit Breakers & Protection

Description  The ABB 1SDA073698R1 undervoltage release is a protection accessory designed to automatically trip Tmax circuit breakers when supply voltage drops below a defined threshold. Operating within a 110–120V AC/DC range, it ensures reliable disconnection during undervoltage conditions. This device enhances system safety by preventing equipment operation under unstable voltage levels.     Technical Specifications  Condition New/Never Used Surplus Brand ABB Category Circuit Breaker Accessories Part Number 1SDA073698R1 Subcategory Undervoltage Releases Rated Control Voltage 110–120V AC/DC Current Type AC/DC Compatible Series Tmax Product Type Accessory Function Undervoltage tripping Mounting Type Internal breaker-mounted Application Low-voltage protection systems Weight 0.25 lb     Information About 1SDA073698R1 The 1SDA073698R1 is part of ABB’s accessory portfolio for Tmax series molded case circuit breakers, developed to improve protection and control functionality. It is engineered as a modular component that integrates directly into compatible breaker frames, enabling automatic tripping when control voltage is insufficient. Designed for both AC and DC applications, it provides flexibility across diverse electrical systems and installations. This undervoltage release is widely used in industrial automation, power distribution, and safety-critical environments where maintaining voltage integrity is essential. Key Features: Undervoltage Protection: Automatically trips the breaker when voltage drops below safe operating levels Dual Voltage Operation: Supports 110–120V AC and DC control circuits for flexible integration Tmax Compatibility: Designed for seamless use with ABB Tmax series circuit breakers Automatic Reset Functionality: Requires voltage restoration before allowing breaker reclosure Enhanced System Safety: Prevents equipment damage caused by low-voltage operation Compact Modular Design: Easily installed within breaker housing without additional modifications Reliable Tripping Mechanism: Ensures consistent and immediate response to undervoltage events The 1SDA073698R1 delivers the reliability and precision required for voltage monitoring and protection in low-voltage circuit breaker systems.

Brand: ABB · Category: Circuit Breakers & Protection

Key features

• Undervoltage Protection: Automatically trips the breaker when voltage drops below safe operating levels
• Dual Voltage Operation: Supports 110–120V AC and DC control circuits for flexible integration
• Tmax Compatibility: Designed for seamless use with ABB Tmax series circuit breakers
• Automatic Reset Functionality: Requires voltage restoration before allowing breaker reclosure
• Enhanced System Safety: Prevents equipment damage caused by low-voltage operation
• Compact Modular Design: Easily installed within breaker housing without additional modifications
• Reliable Tripping Mechanism: Ensures consistent and immediate response to undervoltage events

Specifications

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