Siemens MCCB with thermal, 3VA51 frame, 3-pole, 40A

Product Overview

Circuit breaker 3VA5 UL Frame 125 breaking capacity class H 65 kA @ 480 V 3-pole, line protection TM210, FTFM, In=40 A overload protection Ir=40 A permanently set short-circuit protection Ii=10 x In without connection.

Article Number: 3VA5140-6ED31-0AA0

Key Features:

UL/IEC Dual Certification: Complies with both UL and IEC standards for global application flexibility
UL Frame 125: North American standard frame size optimized for 480V systems
High Breaking Capacity: Class H rating with 65 kA breaking capacity at 480V for demanding applications
40A Current Rating: Ideal for medium-duty motor and equipment protection in commercial and light industrial applications
TM210 Protection: Reliable thermal-magnetic protection system with FTFM technology
Standard Magnetic Setting: Ii=10 x In provides proven short-circuit protection for medium-load applications
Fixed Overload Setting: Permanently set Ir=40A for consistent, reliable protection
3-Pole Configuration: Optimized for three-phase power distribution systems
Connection Flexibility: Supplied without terminals for custom connection requirements

Technical Specifications:

Frame Size: UL Frame 125
Pole Configuration: 3-pole
Breaking Capacity: Class H, 65 kA @ 480V
Nominal Current (In): 40A
Protection System: TM210 thermal-magnetic with FTFM
Overload Protection: Ir=40A (permanently set)
Short-Circuit Protection: Ii=10 x In (400A)
Connection Type: Without connection (terminals sold separately)
Net Weight: 0.940 kg
Packaging Dimensions: 92.00 x 150.00 x 116.00 mm
Quantity Unit: 1 Piece
EAN: 4042948840641
UPC: 804766300547
Country of Origin: Mexico

Product Benefits:

Global Standards Compliance: UL/IEC dual rating ensures compatibility with international electrical systems
North American Optimized: UL Frame 125 and 480V rating ideal for US and Canadian applications
Medium Load Protection: 40A rating perfect for HVAC equipment, medium motors, and commercial machinery
High Performance: Class H breaking capacity provides superior fault current handling for robust applications
Proven Protection: 10 x In magnetic trip delivers reliable short-circuit protection for medium-duty loads
Installation Flexibility: Without connection design allows custom terminal selection for specific applications
Reliable Operation: TM210 thermal-magnetic system delivers consistent, proven protection performance
Fixed Settings: Permanently set overload protection eliminates adjustment concerns and ensures consistency
Professional Grade: Built to meet demanding North American commercial and light industrial requirements
Made-to-Order Quality: Product class C ensures each unit meets specific application requirements

Applications: Essential protection device for medium-load North American electrical systems requiring UL-listed circuit protection. Ideal for HVAC equipment, medium-duty motors, commercial machinery, distribution panels, and industrial automation systems. Perfect for building services equipment, process machinery, packaging equipment, food service equipment, and commercial installations where 40A protection with high breaking capacity is required.

Protection Features:

Thermal-Magnetic Protection: TM210 system provides reliable overload and short-circuit protection
FTFM Technology: Fixed Trip, Fixed Magnetic protection for consistent performance
Standard Magnetic Setting: 10 x In trip setting ideal for medium-load applications
Class H Performance: 65 kA breaking capacity handles high fault currents in robust electrical systems
Permanently Set Overload: Ir=40A setting eliminates field adjustment issues

Electrical Specifications:

Nominal Current: 40A continuous rating
Protection Type: TM210 thermal-magnetic system
Overload Setting: Ir=40A (fixed, non-adjustable)
Magnetic Trip: Ii=10 x In (400A instantaneous)
Breaking Capacity: 65 kA @ 480V (Class H rating)
Standards Compliance: UL and IEC certified for global applications

Medium Load Applications:

HVAC Equipment: Ideal for heating, ventilation, and air conditioning system protection
Medium Motors: Perfect for fractional to small integral horsepower motor protection
Commercial Machinery: Suitable for food service, retail, and office equipment
Distribution Panels: Branch circuit protection in commercial electrical systems
Industrial Automation: Protection for process control and automation equipment

North American Features:

UL Frame 125: Standard North American frame size for panel compatibility
480V Rating: Optimized for typical North American commercial voltage systems
UL Listed: Meets National Electrical Code (NEC) requirements
IEC Compatibility: Also complies with international IEC standards
Commercial Applications: Designed for North American commercial and light industrial practices

Installation Features:

Without Connection: Flexible terminal selection allows custom connection configurations
UL Frame 125 Mounting: Standard North American mounting compatibility
Compact Footprint: Space-efficient design optimizes panel utilization
Professional Construction: 0.940 kg weight indicates robust build quality
Panel Integration: Designed for seamless integration into North American electrical panels

Connection Options:

Terminal Flexibility: Without connection design accommodates various terminal types
Custom Configurations: Allows selection of appropriate terminals for specific medium-load applications
Professional Installation: Standard connection options available separately
Panel Integration: Designed for seamless integration into North American electrical panels
Maintenance Access: Connection design facilitates service and maintenance operations

Commercial and Light Industrial Benefits:

Medium Load Optimization: 40A rating ideal for typical commercial and light industrial equipment
High Fault Current Protection: Class H breaking capacity ensures safety in robust electrical systems
Versatile Applications: Suitable for wide range of medium-duty commercial and industrial loads
Professional Grade: Built for demanding commercial and light industrial environments
Code Compliance: UL listing ensures National Electrical Code compliance

HVAC and Building Services:

HVAC Systems: Perfect for heating, cooling, and ventilation equipment protection
Building Automation: Suitable for building management and control systems
Commercial Equipment: Ideal for elevators, escalators, and building services machinery
Food Service: Protection for commercial kitchen and food processing equipment
Retail Applications: Suitable for retail and commercial facility electrical systems

Standards and Applications:

UL Certification: Listed for use in North American electrical systems
IEC Compliance: Meets international standards for global applications
NEC Compatibility: Suitable for National Electrical Code applications
Commercial Grade: Built for demanding commercial and institutional applications
Light Industrial: Suitable for light industrial environments requiring medium-load protection

Compliance & Certifications:

Product Lifecycle: PM300: Active Product
RoHS Compliant: Since 01.01.2016
WEEE Directive: Take-back obligation applies
Export Control: AL: N / ECCN: EAR99
Product Class: C - Manufactured to order, non-returnable

Classification Standards:

• eClass: 27-37-04-09
• ETIM: EC000228
• UNSPSC: 39-12-16-01

REACH Regulation Notice: This product includes articles containing substances from the REACH candidate list in concentrations higher than 0.1% weight by weight: Lead. Based on current information, these substances do not pose risk when articles are used as intended, including disposal. Please refer to product documentation for additional details.

Download existing graphical data for this product:

Technical Datasheet (PDF)
UL/IEC Certification Documentation
HVAC and Building Services Application Guide
Medium Load Protection Manual
Connection Terminal Selection Guide
North American Commercial Applications Manual
Installation Manual - UL Frame 125 Circuit Breakers
Additional Product Information