Siemens Circuit breaker, 125 breaking capacity, 3-pole

Product Overview

Circuit breaker 3VA5 UL Frame 125 breaking capacity class H 65 kA @ 480 V 3-pole, line protection TM210, FTFM, In=20 A overload protection Ir=20 A permanently set short-circuit protection Ii=15 x In without connection.

Article Number: 3VA5120-6ED31-0AA0

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
20A Current Rating: Ideal for small motor and lighting circuit protection in commercial and light industrial applications
TM210 Protection: Reliable thermal-magnetic protection system with FTFM technology
Enhanced Magnetic Sensitivity: Ii=15 x In provides more sensitive short-circuit detection for smaller loads
Fixed Overload Setting: Permanently set Ir=20A 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): 20A
Protection System: TM210 thermal-magnetic with FTFM
Overload Protection: Ir=20A (permanently set)
Short-Circuit Protection: Ii=15 x In (300A)
Connection Type: Without connection (terminals sold separately)
Net Weight: 0.942 kg
Packaging Dimensions: 92.00 x 150.00 x 116.00 mm
Quantity Unit: 1 Piece
EAN: 4042948840283
UPC: 804766300301
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
Small Load Protection: 20A rating perfect for lighting circuits, small motors, and auxiliary equipment
High Performance: Class H breaking capacity provides superior fault current handling despite compact rating
Enhanced Sensitivity: 15 x In magnetic trip provides more responsive protection for smaller electrical loads
Installation Flexibility: Without connection design allows custom terminal selection for specific applications
Reliable Protection: 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 small-load North American electrical systems requiring UL-listed circuit protection. Ideal for lighting circuits, small motor controls, auxiliary equipment, control panels, and specialty applications in commercial buildings, light industrial facilities, and institutional installations. Perfect for HVAC control circuits, lighting panels, small machinery, process control equipment, and building automation systems where 20A 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
Enhanced Magnetic Sensitivity: 15 x In trip setting ideal for small load protection
Class H Performance: 65 kA breaking capacity handles high fault currents even in small rating applications
Permanently Set Overload: Ir=20A setting eliminates field adjustment issues

Electrical Specifications:

Nominal Current: 20A continuous rating
Protection Type: TM210 thermal-magnetic system
Overload Setting: Ir=20A (fixed, non-adjustable)
Magnetic Trip: Ii=15 x In (300A instantaneous)
Breaking Capacity: 65 kA @ 480V (Class H rating)
Standards Compliance: UL and IEC certified for global applications

Small Load Applications:

Lighting Circuits: Ideal for commercial and industrial lighting distribution
Small Motors: Perfect for fractional horsepower motor protection
Control Circuits: Suitable for automation and control system protection
Auxiliary Equipment: Protection for small electrical equipment and devices
Specialty Applications: Custom protection for unique small-load requirements

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: 0.942 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 small-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:

Small Load Optimization: 20A rating and enhanced sensitivity ideal for typical commercial loads
High Fault Current Protection: Class H breaking capacity ensures safety even in robust electrical systems
Flexible Installation: Without connection design accommodates diverse small-load applications
Professional Grade: Built for demanding commercial environments
Code Compliance: UL listing ensures National Electrical Code compliance

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 small-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
Small Load Application Guide
Connection Terminal Selection Guide
North American Commercial Applications Manual
Installation Manual - UL Frame 125 Circuit Breakers
Additional Product Information