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Molded Case Circuit Breaker 400A | 690V AC | Electronic Release & High Short-Circuit Capacity | IP20 by Eaton
Molded case circuit breaker rated at 400A and 690V AC, featuring an electronic release system with LSI overload protection and high short-circuit breaking capacity. Ideal for industrial electrical protection, it ensures safety and reliability in motor drive and generator applications.
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Product Name/Title: Molded Case Circuit Breaker 400A | 690V AC | Electronic Release & High Short-Circuit Capacity | IP20 by Eaton
Brand: Eaton
SKU: Y7-191350
Alternatively Known As: NZM3 PXR20 Circuit Breaker, Molded Case Circuit Breaker 400A, Eaton NZM Circuit Breaker, Electronic Circuit Breaker 3P 400A
Technical Specifications
- Rated current: 400 A
- Voltage rating: 690 V AC
- Number of poles: Three-pole
- Short-circuit breaking capacity (Ics): up to 150 kA at 400/415 V
- Short-circuit making capacity (Icm): up to 330 kA at 400/415 V
- Degree of protection: IP20 (basic), IP40 front side with insulating surround
- Terminal capacity: up to 240 mm² copper conductors depending on cable manufacturer
- Operating temperature range: -25 °C to 70 °C
- Mechanical lifespan: 15000 operations
- Electrical lifespan: 5000 operations at 400 V AC-1
- Release system: Electronic with LSI overload and short-circuit protection
- Mounting method: Built-in fixed device
- Pollution degree: 3
- Overvoltage category: III
- Shock resistance: 20 g half-sinusoidal shock 20 ms
- Rated insulation voltage (Ui): 690 V AC
- Rated impulse withstand voltage (Uimp): 8000 V at main contacts
- Dimensions (H x L x W): 275mm x 166mm x 140mm
- Weight: 7 kg
Key Features
- Electronic release system with LSI overload protection
- Delayed and non-delayed short-circuit protective device
- R.m.s. value measurement and thermal memory
- USB interface for configuration and test functions
- Optionally communication-capable with interface module and internal Modbus RTU or CAM
- High short-circuit breaking capacity up to 150 kA at 400/415 V
- Screw terminal main circuit connection
- Protection against direct contact: Finger and back-of-hand proof
- IP20 basic degree of protection in operating controls area
- Ambient operating temperature range from -25 °C to 70 °C
- Mechanical lifespan of 15000 operations and electrical lifespan of up to 5000 operations
Professional Installation Requirements
- Installation must be performed by a qualified electrician familiar with industrial circuit breakers and compliance with local electrical standards.
Applications
- Use in unearthed supply systems at 690 V
- Industrial electrical protection
- Motor drive protection
- Cable and generator protection
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- RoHS compliant ensuring reduced hazardous substances
- Energy efficient protection reducing electrical faults and downtime
- Durable design extends product lifecycle reducing waste
Warranty Information
Standard Eaton warranty applies; typically 1-2 years against manufacturing defects. Please refer to Eaton's official warranty policy.
Available Now
The Eaton Moeller NZMH3-VX400 Molded Case Circuit Breaker is available for immediate purchase, ideal for industrial and commercial electrical protection applications.
