Factorymation Spring 2024 Catalog

SEE INSIDE BACK COVER FOR MORE DETAILS www.factorymation.com/circuitprotection CIRCUIT PROTECTION 21 • Additional details and examples of proper applications can be found in our AppNote online at: www.factorymation.com/knowledge-base MCB4 Series Miniature Circuit Breakers MCB1 Series Supplementary Protectors Features: • UL1077 Supplementary Protectors • DIN rail mount chassis • Current ratings up to 63A • B, C, and D curve models • Wide range of accessories • 480Y/277VAC, 5kA IR • Easy to use, finger safe, captive screw, box lugs • UL1077, IEC 60947-2 Applications: • Branch circuit protection to prevent damage to conductors • Protection of external loads such as motors, receptacles, HACR equipment, and others Applications: • Individual component protection to keep parallel loads from tripping together • Installed within control circuits, lighting, and appliances • Protection of sensitive loads within an enclosure such as PLC units, power supplies, condensation heaters, fans, and others UL489: • A UL489 Miniature Circuit Breaker can be used for branch protection as the primary overcurrent device. • UL489 Miniature Circuit Breakers can also be used as supplemental protection within an appliance or other electrical equipment. UL1077: • UL1077 Supplementary Protectors are designed to be used only within an appliance or other electrical equipment to provide supplemental protection or as a means to open the circuit. • Supplementary Protectors cannot be used in place of a UL489 Branch Circuit Protector to provide primary overcurrent protection. • If a supplementary protector can be removed from the circuit and maintain proper protection, then the supplementary protector is being used correctly. UL489 vs UL1077 AppNote: Why Choose UL489 Over UL1077? E477352 E482436 UL1077 UL489 Miniature Circuit Breakers QUANTITY DISCOUNTS Features: • UL489 Miniature Circuit Breakers • DIN rail mount chassis • Current ratings up to 63A • C and D curve models • Wide range of accessories • 480Y/277VAC (L40 series), 125VDC (L2D series), 10kA IR • Easy to use, finger safe, captive screw, box lugs • UL489, UL486, IEC 60947-2