Product Overview

The Siemens 5SY6140-7 is a high-performance miniature circuit breaker designed for reliable electrical protection in commercial and industrial applications. This 1-pole circuit breaker features a 40 A current rating with 230/400 V operational voltage and 6 kA breaking capacity, making it ideal for protecting high-current single-phase electrical circuits and equipment from overloads and short circuits.

Key Features

• 6 kA Breaking Capacity: Reliable protection against fault currents in standard applications
• 1-Pole Configuration: Provides protection for single-phase electrical systems and individual circuits
• C-Type Characteristic: Optimized for general applications with moderate inrush currents
• High Current Rating: 40 A rating suitable for motor circuits and high-load applications
• Compact Design: Space-efficient construction suitable for standard DIN rail mounting (D=70 mm)
• German Engineering: Manufactured in Germany ensuring premium quality and reliability

Technical Specifications

• Current Rating: 40 A
• Voltage Rating: 230/400 V
• Breaking Capacity: 6 kA
• Number of Poles: 1
• Trip Characteristic: C-type
• Net Weight: 0.154 kg
• Depth: 70 mm (D=70 mm)
• Country of Origin: Germany
• EAN: 4001869246116

Applications

This miniature circuit breaker is particularly suitable for:

• Motor protection circuits
• High-load single-phase equipment
• Industrial machinery circuits
• Large heating elements
• Power distribution systems
• Commercial electrical installations
• High-load lighting circuits
• HVAC equipment protection
• Manufacturing equipment circuits

Compliance & Certifications

• RoHS Compliance: Compliant since January 1, 2006
• WEEE Directive: Subject to take-back obligations under directive 2012/19/EU
• REACH Regulation: Contains lead in concentrations higher than 0.1% w/w as per Article 33 requirements
• Export Control: AL: N / ECCN: N
• Product Class: B - Return restricted, contact Siemens partner for returns

Product Classification

• eClass: 27-14-19-01 (versions 6-14)
• ETIM: EC000042 (versions 7-9)
• UNSPSC: 39-12-16-03
• IDEA: 4897
• Product Group: 5503

Download existing graphical data for this product:

• Product Datasheet
• Installation Manual
• SENTRON Product Catalog
• Technical Documentation