Trade Discount 20%
3 Pole Switch Disconnector 400A | 12 kA Short-Time Current | IP20 Protection | Surface Mounting by Eaton
The Eaton DMV-400N/3 is a 3 pole switch disconnector with a 400A rated permanent current and 12 kA short-time withstand current—ideal for industrial electrical panels and emergency stop installations. Built for reliable operation, it features surface mounting and IP20 protection for enhanced safety.
Please sign in so that we can notify you about a reply
Sign in
Please login to continue to your account.
Product Name/Title: 3 Pole Switch Disconnector 400A | 12 kA Short-Time Current | IP20 Protection | Surface Mounting by Eaton
Brand: Eaton
SKU: Y8-1814411
Alternatively Known As: Eaton DMV Switch Disconnector 400A, 3 Pole Main Switch, Industrial Switch Disconnector, Emergency Stop Switch Disconnector
Technical Specifications
- Rated permanent current at AC-21, 400 V: 400 A
- Rated permanent current at AC-23, 400 V: 333 A
- Rated uninterrupted current (Iu): 400 A
- Rated short-time withstand current (Icw): 12 kA for 1 second
- Rated impulse withstand voltage (Uimp): 8000 V
- Switching power at 400 V: 180 kW
- Electrical connection type: Screw connection
- Mounting method: Surface mounting
- Degree of protection (front side): IP20
- Number of poles: Three-pole
- Ambient operating temperature: -25 °C to 55 °C
- Mechanical lifespan: 10,000 operations
- Terminal capacity: 240 mm², flat conductor connection with busbars
- Tightening torque: 28 Nm for screw terminals
- Overvoltage category: III
- Rated insulation voltage (Ui): 1000 V
- Rated operating voltage (Ue): 690 V max and min
- Dimensions (H x L x W): 146mm x 63mm x 205mm
- Weight: 1.8 kg
Key Features
- 400 A rated permanent current at AC-21, 400 V
- 3 pole switch-disconnector
- Optional Stop Function available
- Complete device in housing
- Screw connection for main circuit
- Surface mounting suitable
- Rated short-time withstand current (Icw) 12 kA for 1 second
- Rated impulse withstand voltage 8000 V
- Ambient operating temperature range -25 °C to 55 °C
- Mechanical lifespan of 10,000 operations
- IP20 degree of protection on front side
- Rated operational voltage up to 690 V
- Rated operational power at AC-23A, 400 V, 50 Hz is 180 kW
Professional Installation Requirements
- Installation must be performed by a qualified electrician to ensure compliance with electrical safety standards and proper integration into the electrical system.
Applications
- Industrial electrical panels
- Main switch-disconnector for machinery and equipment
- Emergency stop installations in electrical systems
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
- AS/NZS 3112 – Plugs and Socket-Outlets (Type I Plug)
Environmental Benefits
- Designed for long operational life reducing replacement frequency
- Supports efficient electrical isolation improving safety and energy management
Warranty Information
Warranty details available upon request from Eaton; typically includes coverage against manufacturing defects.
Available Now
The Eaton DMV-400N/3 Switch-disconnector is available for immediate purchase, ideal for industrial and commercial electrical panel applications requiring reliable main switch isolation.
