Eaton 111940 LZMC2-A250-I LZMC MCCB 3P 250 A 36kA 415V

The Eaton LZMC2-A250-I is a three-pole 250 A Power Defense molded case circuit breaker rated to 690 V for use in unearthed supply systems. Thermomagnetic release offers adjustable overload (Ir 200-250 A) and instantaneous trip (Ii 1500-2500 A), with rated short-circuit breaking capacity (Ics) of 36 kA at 400/415 V.

Technical specifications:

• Model code: LZMC2-A250-I
• Catalog number: 111940
• Manufacturer: Eaton
• EAN: 4015081114887
• Frame: LZM2, 3-pole, 250 A
• Voltage rating / Ui: 690 V AC
• Uimp: 8000 V (main contacts), 6000 V (auxiliary contacts)
• Ir: 200-250 A; Ii: 1500-2500 A
• Ics: 55 kA (230 V) / 36 kA (400/415 V) / 22.5 kA (440 V) / 6 kA (525 V)
• Icm: 121 kA (240 V) / 76 kA (400/415 V) / 14 kA (690 V)
• Short-circuit break time: less than 10 ms
• Utilization category: A (IEC/EN 60947-2); overvoltage category III; pollution degree 3
• Mounting: fixed built-in; DIN rail (top hat rail) optional
• IP rating: IP20 (HMI area), IP40 with insulating surround, IP66 with door coupling rotary handle
• Connection: screw terminal; M8 rear busbar; 16 mm² tunnel terminal
• Mechanical lifespan: 20000 operations; electrical: 10000 operations at 400 V AC-1
• Dimensions (W x H x D): 105 x 185 x 142 mm; weight: 2.345 kg
• Certifications: IEC/EN 60947, VDE 0660, RoHS

Features and benefits:

• Wide 690 V rating covers demanding unearthed industrial supply networks
• Ics of 36 kA at 400/415 V and 55 kA at 230 V ensures reliable short-circuit protection
• Adjustable Ir and Ii settings enable precise selective coordination with connected equipment
• IP66 protection with door coupling rotary handle suits harsh enclosure environments
• Back-of-hand proof terminals per DIN EN 50274 enhance operator safety during installation

Applications:

• Main and feeder circuit protection in industrial switchgear and control panels
• Motor circuit protection in manufacturing and process facilities
• Distribution boards in commercial and industrial buildings up to 690 V
• IT (unearthed) supply network protection in infrastructure and industrial projects

Compliant with IEC/EN 60947 and VDE 0660. Part of the Eaton Moeller Power Defense LZM2 frame range.

Also known as: Eaton LZMC2-A250-I, Eaton 111940, Eaton catalog 111940, Eaton model LZMC2-A250-I, Eaton LZM2 250A MCCB.