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Molded Case Circuit Breaker 250A | 690V AC | Four-Pole Design | IP66 Protection by Eaton

BRAND: Eaton
SKU: Y7-191645
$1,793.00 List price: $2,234.40
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30 Days Return Delivery Options
Molded case circuit breaker rated at 250A and 690V AC—ideal for industrial electrical protection. Built for reliable performance with electronic release system and IP66 protection, ensuring safety in demanding environments.

Product Name/Title: Molded Case Circuit Breaker 250A | 690V AC | Four-Pole Design | IP66 Protection by Eaton

Brand: Eaton

SKU: Y7-191645

Alternatively Known As: Molded Case Circuit Breaker, MCCB 250A, NZM2 Circuit Breaker, Eaton NZM2 PXR20, Industrial Circuit Breaker 4P 250A

Technical Specifications
  • Amperage Rating: 250 A
  • Voltage Rating: 690 V AC
  • Number of Poles: Four-pole
  • Rated short-circuit breaking capacity Ics: 85 kA at 230 V, 50/60 Hz
  • Rated short-circuit breaking capacity Ics: 50 kA at 400/415 V, 50/60 Hz
  • Rated insulation voltage (Ui): 690 V AC
  • Rated impulse withstand voltage (Uimp): 8000 V at main contacts
  • Power loss: 51.56 W
  • Lifespan mechanical: 20,000 operations
  • Lifespan electrical: 10,000 operations at 400 V AC-1
  • Mounting Method: DIN rail (top hat rail) mounting optional
  • Degree of protection: IP20 basic, IP40 front side with insulating surround, IP66 with door coupling rotary handle
  • Terminal capacity: Supports various copper and aluminum conductor sizes
  • Ambient operating temperature: -25 °C to 70 °C
  • Overvoltage category: III
  • Shock resistance: 20 g (half-sinusoidal shock 20 ms)
  • Release system: Electronic release
  • Short-circuit total breaktime: < 10 ms
  • Dimensions (H x L x W): 160mm x 190mm x 145mm
  • Weight: 2.9 kg
Key Features
  • Electronic release system
  • LSI overload protection with delayed and non-delayed short-circuit protective device
  • R.m.s. value measurement and thermal memory
  • USB interface for configuration and test function with Power Xpert Protection Manager software
  • Optionally communication-capable with interface module and internal Modbus RTU module or CAM
  • Rated short-circuit breaking capacity up to 85 kA at 230 V
  • Four-pole design with screw terminal connections
  • Protection unit motor drive optional
  • Ambient operating temperature range -25 °C to 70 °C
  • Degree of protection IP20 (basic) and up to IP66 with door coupling rotary handle
Professional Installation Requirements
  • Professional installation by a qualified electrician is required to ensure compliance with electrical safety standards and proper integration into switchgear systems.
Applications
  • Use in unearthed supply systems at 690 V
  • Industrial electrical protection
  • Motor drive protection
  • Systems, cable, selectivity and generator protection
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • RoHS compliant ensuring reduced hazardous substances
  • High efficiency protection reduces energy waste and equipment damage
  • Durable design extends product lifecycle reducing waste
Warranty Information

Warranty terms as per Eaton standard product warranty policy; typically covers manufacturing defects for a specified period.

Available Now

The Eaton Moeller NZM2 PXR20 Molded Case Circuit Breaker 250A 4P is available now for immediate purchase. Ideal for industrial and commercial electrical protection applications.

Product specifications (skuPage.191645.pdf, 106 Kb) [Download]

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