5LSI - Cutler Hammer Digitrip 520 Long-Time Short-Time Instantaneous Trip Unit

5LSI

5LSI is a Digitrip 520 long-time, short-time instantaneous trip unit designed for use in Magnum and Magnum DS low-voltage circuit breakers. This CT-driven trip unit provides comprehensive protection with programmable long-time, short-time, and instantaneous functions for industrial and commercial applications. Key Specifications

• Trip Unit Model: Digitrip 520
• Trip Unit Category: LSI (Long-Time, Short-Time, Instantaneous)
• Compatible Breakers: Magnum and Magnum DS circuit breakers
• Current Sensing: CT-driven (current transformer)
• Long-Time Delay: 100-500 ms
• Short-Time Delay: 100-500 ms
• Instantaneous Pickup: 200-1000% x (In)
• Ground Fault Protection: Available with selectable delay
• Zone Selective Interlock: Supported
• Certifications: UL 1066, UL 489, ANSI C37

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Specifications

• Part Number: 5LSI
• Manufacturer : Cutler Hammer
• Brand : Cutler Hammer
• Category : Circuit Breaker
• Item Subcategory : Trip Units & Programmers
• Family : Magnum DS
• Type : 5L
• Functions : LSI - Long-Time, Short-Time and Instantaneous
• Amperage Maximum : 6000
• Amperage Minimum : 200
• Protection : Solid State
• Compatible Frames : MDS,MDN

Product Data

• Weight : 4