Eaton 111893 LZMC1-A63-I LZMC MCCB 3P 63 A 36kA 415V

The LZMC1-A63-I is a 3-pole 63 A Eaton Moeller series Power Defense molded case circuit breaker rated for unearthed supply systems up to 690 V AC. Its thermomagnetic release provides adjustable overload protection and a rated short-circuit breaking capacity (Ics) of 36 kA at 400/415 V, making it a dependable solution for industrial power distribution.

Technical specifications:

• Model code: LZMC1-A63-I
• Catalog number: 111893
• Manufacturer: Eaton
• EAN: 4015081114412
• Frame type: LZM1
• Number of poles: 3
• Rated current: 63 A
• Voltage rating: 690 V AC
• Rated insulation voltage (Ui): 690 V AC
• Rated impulse withstand voltage (Uimp): 6000 V
• Overload current setting (IR): 50-63 A
• Instantaneous trip setting (II): 380-630 A
• Breaking capacity Ics at 230 V: 55 kA
• Breaking capacity Ics at 400/415 V: 36 kA
• Breaking capacity Ics at 440 V: 22.5 kA
• Breaking capacity Ics at 525 V: 6 kA
• Total break time: less than 10 ms
• Release system: Thermomagnetic
• Utilization category: A (IEC/EN 60947-2)
• Overvoltage category: III, Pollution degree: 3
• Degree of protection (front): IP40 with insulating surround; IP66 with door coupling rotary handle
• Mounting: Fixed built-in; DIN rail (top-hat rail) optional
• Terminal capacity (copper solid): 10-16 mm² (1x) at box terminal
• Mechanical lifespan: 20,000 operations
• Heat dissipation: 14.17 W at 63 A
• Dimensions (WxHxD): 90 x 145 x 88 mm
• Weight: 1.014 kg
• Certifications: IEC/EN 60947, VDE 0660, RoHS

Features and benefits:

• Thermomagnetic release with field-adjustable overload (IR 50-63 A) and instantaneous (II 380-630 A) trip settings for precise protection
• Breaking capacity of 55 kA at 230 V and 36 kA at 400/415 V for reliable fault isolation in high-energy systems
• Rated for IT unearthed supply networks up to 690 V, broadening installation suitability
• Flexible mounting options - fixed built-in technique or optional DIN rail - simplify panel integration
• Front IP40 protection upgradeable to IP66 with door coupling rotary handle accessory
• 20,000 mechanical operations and up to 120 switching cycles per hour for long service life

Applications:

• Main and branch circuit protection in industrial switchgear and control gear assemblies
• Motor circuit protection in AC-3 installations up to 690 V
• Power distribution in unearthed (IT) network installations in process industries
• Control panel protection in manufacturing and heavy industrial environments
• High-breaking-capacity distribution boards in commercial and industrial buildings

Compliant with IEC/EN 60947-2 and VDE 0660. Part of the Eaton Moeller series Power Defense LZM1 frame family.

Also known as: Eaton LZMC1-A63-I, Eaton 111893, Eaton catalog 111893, Eaton model LZMC1-A63-I, LZM1 63A MCCB, Eaton Power Defense 63 A circuit breaker.