Product Overview

The Siemens 5SY7120-7CC is a high-performance miniature circuit breaker designed for reliable electrical protection in commercial and industrial applications. This 1-pole circuit breaker features a 20 A current rating with 400 V operational voltage and 15 kA breaking capacity, making it ideal for protecting medium-current single-phase electrical circuits and equipment from overloads and short circuits.

Key Features

• High Breaking Capacity: 15 kA breaking capacity ensures reliable protection against high fault currents
• 1-Pole Configuration: Provides protection for single-phase electrical systems and individual circuits
• C-Type Characteristic: Optimized for general applications with moderate inrush currents
• Medium Current Rating: 20 A rating suitable for lighting circuits and general power distribution
• Compact Design: Space-efficient construction suitable for standard DIN rail mounting
• Reliable Operation: Engineered for consistent performance in demanding electrical environments

Technical Specifications

• Current Rating: 20 A
• Voltage Rating: 400 V
• Breaking Capacity: 15 kA
• Number of Poles: 1
• Trip Characteristic: C-type
• Mounting: DIN rail compatible
• Operating Temperature: Standard industrial range
• Depth: 70 mm (D=70 mm)

Applications

This miniature circuit breaker is particularly suitable for:

• Lighting control circuits
• Small motor protection
• General power distribution
• Commercial electrical installations
• Residential distribution panels
• Office equipment protection
• HVAC control systems
• Socket outlet protection
• Small heating element circuits

Compliance & Certifications

• RoHS Compliance: Meets current RoHS directive requirements
• WEEE Directive: Subject to take-back obligations under directive 2012/19/EU
• REACH Regulation: Complies with REACH requirements for electrical equipment
• Product Class: Standard return policy applies
• Safety Standards: Compliant with relevant IEC and EN standards for miniature circuit breakers

Product Classification

• eClass: 27-14-19-01 (Miniature circuit breakers)
• ETIM: EC000042 (Circuit protection devices)
• UNSPSC: 39-12-16-03 (Circuit breakers)
• SENTRON Series: Part of Siemens SENTRON protection device portfolio

Download existing graphical data for this product:

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

Article Number: 5SY7120-7CC

Packaging: Single unit per package