SCHNAP Logo

Making Trade Life Easy!
Trade Discount 25%

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

BRAND: Eaton
SKU: Y7-191426
$4,829.20 List price: $6,438.90
+ −
30 Days Return Electricians Unlock Trade Access
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.
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]

Related Products