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Circuit Breaker 1250A | 690V AC | Electronic Release & LSI Overload Protection | IP20 by Eaton

BRAND: Eaton
SKU: Y7-191426
$6,256.50 List price: $7,796.50
+ −
30 Days Return Delivery Options
The Eaton NZMN4-VX1250 circuit breaker offers a robust 1250A capacity and operates at 690V AC, featuring an electronic release system and LSI overload protection. Ideal for industrial electrical protection, it ensures safety and reliability in demanding environments.

Product Name/Title: Circuit Breaker 1250A | 690V AC | Electronic Release & LSI Overload Protection | IP20 by Eaton

Brand: Eaton

SKU: Y7-191426

Alternatively Known As: NZM4 PXR20 Circuit Breaker, Eaton 1250A Circuit Breaker, Molded Case Circuit Breaker 1250A, Electronic Circuit Breaker NZM4

Technical Specifications
  • Amperage Rating: 1250 A
  • Voltage Rating: 690 V AC
  • Number of Poles: Three-pole
  • Mounting Method: Fixed built-in device
  • Degree of Protection: IP20 (basic), IP66 front side with door coupling rotary handle
  • Short-circuit breaking capacity Ics at 400/415 V: 37 kA
  • Short-circuit breaking capacity Icu at 400/415 V: 50 kA
  • Rated insulation voltage (Ui): 690 V AC
  • Overvoltage category: III
  • Ambient operating temperature range: -25 °C to 70 °C
  • Mechanical lifespan: 10,000 operations
  • Electrical lifespan: 20,000 operations at 690 V AC-1
  • Terminal capacity (copper solid conductor): 120 mm² - 300 mm²
  • Release system: Electronic release
  • Rated short-time withstand current (t=0.3s and 1s): 19.2 kA
  • Shock resistance: 15 g (half-sinusoidal shock 11 ms)
  • Features: LSI overload protection, thermal memory, USB interface, optional communication modules
  • Dimensions (H x L x W): 170mm x 375mm x 210mm
  • Weight: 19 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
  • Protection unit motor drive optional
  • Finger and back-of-hand proof protection to DIN EN 50274/VDE 0106 part 110
  • IP20 basic degree of protection in operating controls area
  • High short-circuit breaking capacity and making capacity
  • Rated operational current 1250 A
  • Mechanical lifespan of 10,000 operations and electrical lifespan of 20,000 operations at 690 V AC-1
Professional Installation Requirements
  • Professional installation by a qualified electrician is required to ensure compliance with electrical safety standards and proper integration into switchgear assemblies.
Applications
  • Use in unearthed supply systems at 415 V
  • Industrial electrical protection
  • Motor drive protection
  • Systems, cable, selectivity and generator protection
Standards & Compliance
  • Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
  • Complies with AS/NZS 3820 – Essential Safety Requirements for Electrical Equipment
Environmental Benefits
  • RoHS compliant ensuring reduced hazardous substances
  • Energy-efficient protection reducing electrical faults and downtime
Warranty Information

Warranty details available upon request from Eaton; typically includes coverage against manufacturing defects.

Available Now

The Eaton NZMN4-VX1250 circuit breaker is available for immediate purchase, ideal for industrial and commercial electrical protection applications.

Product specifications (skuPage.191426.pdf, 94 Kb) [Download]

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