Siemens MCCB with thermal, 3VA51 frame, 3-pole, 15A

Product Overview

Circuit breaker 3VA5 UL Frame 125 breaking capacity class M 35 kA @ 480 V 3-pole, line protection TM210, FTFM, In=15 A overload protection Ir=15 A permanently set short-circuit protection Ii=20 x In without connection.

Article Number: 3VA5195-5ED31-0AA0

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
Class M Breaking Capacity: 35 kA breaking capacity at 480V for moderate fault current applications
15A Current Rating: Ideal for small loads, control circuits, and specialty lighting applications
TM210 Protection: Reliable thermal-magnetic protection system with FTFM technology
Ultra-High Sensitivity: Ii=20 x In provides exceptional short-circuit detection for very small loads
Fixed Overload Setting: Permanently set Ir=15A 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 M, 35 kA @ 480V
Nominal Current (In): 15A
Protection System: TM210 thermal-magnetic with FTFM
Overload Protection: Ir=15A (permanently set)
Short-Circuit Protection: Ii=20 x In (300A)
Connection Type: Without connection (terminals sold separately)
Net Weight: 0.943 kg
Packaging Dimensions: 92.00 x 150.00 x 116.00 mm
Quantity Unit: 1 Piece
EAN: 4042948840221
UPC: 804766300264
Country of Origin: Mexico

Product Benefits:

Global Standards Compliance: UL/IEC dual rating ensures compatibility with international electrical systems
Small Load Optimization: 15A rating perfect for control circuits, specialty lighting, and sensitive equipment
Ultra-High Sensitivity: 20 x In magnetic trip provides exceptional protection for very small electrical loads
Moderate Breaking Capacity: 35 kA Class M rating suitable for applications with moderate fault current levels
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 specialty application requirements
Made-to-Order Quality: Product class C ensures each unit meets specific application requirements
Cost-Effective Sensitivity: Provides high sensitivity protection without unnecessary over-specification

Applications: Specialized protection device for very small load North American electrical systems requiring UL-listed circuit protection with high sensitivity. Ideal for control circuits, instrumentation, specialty lighting systems, sensitive electronic equipment, and custom applications requiring precise overcurrent protection. Perfect for building automation systems, process control panels, laboratory equipment, medical devices, and telecommunications infrastructure where 15A protection with ultra-high sensitivity is essential.

Protection Features:

Thermal-Magnetic Protection: TM210 system provides reliable overload and short-circuit protection
FTFM Technology: Fixed Trip, Fixed Magnetic protection for consistent performance
Ultra-High Sensitivity: 20 x In trip setting ideal for very small and sensitive load protection
Class M Performance: 35 kA breaking capacity appropriate for moderate fault current environments
Permanently Set Overload: Ir=15A setting eliminates field adjustment issues

Electrical Specifications:

Nominal Current: 15A continuous rating
Protection Type: TM210 thermal-magnetic system
Overload Setting: Ir=15A (fixed, non-adjustable)
Magnetic Trip: Ii=20 x In (300A instantaneous)
Breaking Capacity: 35 kA @ 480V (Class M rating)
Standards Compliance: UL and IEC certified for global applications

Specialty Small Load Applications:

Control Circuits: Ideal for automation and process control system protection
Instrumentation: Protection for sensitive measurement and monitoring equipment
Specialty Lighting: Custom lighting systems and architectural lighting applications
Electronic Equipment: Protection for sensitive electronic devices and systems
Laboratory Applications: Precise protection for research and testing equipment

North American Features:

UL Frame 125: Standard North American frame size for panel compatibility
480V Rating: Optimized for typical North American specialty voltage applications
UL Listed: Meets National Electrical Code (NEC) requirements
IEC Compatibility: Also complies with international IEC standards
Specialty Applications: Designed for North American specialty and custom applications

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: 0.943 kg weight indicates robust build quality
Panel Integration: Designed for seamless integration into specialized electrical panels

Connection Options:

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

High Sensitivity Benefits:

Enhanced Protection: 20 x In sensitivity provides exceptional fault detection for small loads
Precise Operation: Ultra-high sensitivity ideal for applications requiring precise overcurrent protection
Equipment Protection: Protects sensitive and expensive equipment from minor overcurrent conditions
System Reliability: High sensitivity ensures prompt fault clearing to maintain system integrity
Specialty Applications: Perfect for custom applications requiring non-standard protection characteristics

Control and Instrumentation:

Process Control: Ideal for industrial process control and automation systems
Building Automation: Perfect for building management and environmental control systems
Instrumentation Protection: Suitable for measurement and monitoring equipment
Telecommunications: Protection for communication and data systems
Medical Applications: Appropriate for medical device and healthcare facility applications

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 specialty applications
Custom Applications: Built for demanding specialty and custom applications
Professional Installation: Suitable for professional specialty electrical environments

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
High Sensitivity Protection Application Guide
Control Circuit Protection Manual
Specialty Applications Guide
Connection Terminal Selection Guide
Installation Manual - UL Frame 125 Circuit Breakers
Additional Product Information