Siemens Switch disconnector 3VA1, IEC frame 400, 4-pole

Product Overview

Switch disconnector 3VA1 IEC frame 400 4-pole SD100, In=400A without overload protection w/o short-circuit protection nut keeper kit.

Article Number: 3VA1340-1AA42-0AA0

Key Features:

High Current Rating: 400A nominal current capacity for heavy-duty industrial applications
Frame 400: Robust IEC frame 400 design for maximum durability and performance
4-Pole Configuration: Complete 4-pole switching for comprehensive circuit isolation
Switch Disconnector: Designed for safe electrical isolation without protection functions
No Protection Functions: Pure switching device without overload or short-circuit protection
SD100 Type: Standardized switch disconnector design for reliable operation
Nut Keeper Kit: Included hardware kit for secure installation and maintenance
Industrial Grade: Built for demanding industrial and commercial applications

Technical Specifications:

Frame Size: IEC Frame 400
Pole Configuration: 4-pole
Nominal Current (In): 400A
Switch Type: SD100 switch disconnector
Overload Protection: None (switching only)
Short-Circuit Protection: None (switching only)
Net Weight: 6.239 kg
Packaging Dimensions: 208.00 x 261.00 x 170.00 mm
Quantity Unit: 1 Piece
EAN: 4042948800416
UPC: 804766889325
Country of Origin: Czech Republic

Product Benefits:

High Current Capacity: 400A rating handles substantial electrical loads in industrial applications
Pure Switching Function: Dedicated isolation without protection interference ensures reliable disconnection
4-Pole Operation: Complete circuit isolation including neutral conductor for comprehensive safety
Robust Frame 400: Heavy-duty construction withstands harsh industrial environments
Maintenance-Friendly: Nut keeper kit facilitates easy installation and service access
Reliable Isolation: Dedicated switch disconnector design ensures dependable electrical isolation
Industrial Durability: Built to withstand frequent switching operations in demanding applications
Standardized Design: SD100 type ensures compatibility with standard installation practices
Made-to-Order Quality: Product class C ensures each unit is manufactured to specific requirements
Cost-Effective Switching: Pure switching function without protection complexity reduces costs

Applications: Essential switching device for high-current industrial electrical systems requiring reliable isolation without protection functions. Ideal for main distribution panels, motor control centers, industrial machinery, manufacturing equipment, and large commercial installations where 400A switching capacity is needed. Perfect for applications requiring dedicated isolation switches separate from protection devices, such as maintenance isolation points, emergency disconnects, and system sectionalizing in power distribution systems.

Switching Features:

Isolation Function: Provides reliable electrical isolation for maintenance and safety
High Current Switching: 400A capacity for heavy industrial loads
4-Pole Operation: Complete circuit disconnection including all phases and neutral
Manual Operation: Direct mechanical switching for positive isolation indication
Visible Gap: Clear indication of contact position for safety verification

Electrical Specifications:

Nominal Current: 400A continuous rating
Frame Type: IEC Frame 400 standard
Pole Configuration: 4-pole switching (3 phases + neutral)
Operation Type: Manual switch disconnector
Protection Functions: None (pure switching device)

Installation Features:

Frame 400 Mounting: Standard IEC frame 400 installation compatibility
Nut Keeper Kit: Included hardware for secure mounting and maintenance access
Heavy-Duty Construction: 6.239 kg weight indicates robust build quality
Panel Integration: Designed for integration into industrial control panels and switchgear

Compliance & Certifications:

Product Lifecycle: PM300: Active Product
RoHS Compliant: Since 01.06.2012
WEEE Directive: Take-back obligation applies
Export Control: AL: N / ECCN: 9N9999
Product Class: C - Manufactured to order, non-returnable

Classification Standards:

• eClass: 27-37-14-03
• ETIM: EC000216

REACH Regulation Notice: There is currently no information on SVHC (Substances of Very High Concern) from the supply chain and our established procedures for screening our products for Substances of Very High Concern. We compare our products regularly with the information of the upstream users with regard to the substances indicated in the candidate list in accordance with the requirements of the REACH regulation. As soon as we have new findings, our information will be updated accordingly.

Download existing graphical data for this product:

Technical Datasheet (PDF)
System Manual - SENTRON 3VA Switch Disconnectors
Installation Guide
Additional Product Information