Siemens Miniature circuit breaker, 2-pole, 400V, 15kA, 25A Part number 5SY7225-7CC

Product Overview

Siemens Miniature circuit breaker, 2-pole, 400 V AC, C-curve, 15 kA, 25 A (5SY7225-7CC) is a SENTRON series protective device designed for overload and short-circuit protection in low-voltage power distribution systems. This compact breaker provides reliable, high-capacity fault interruption for two-pole circuits in industrial, commercial and residential electrical installations. Its DIN rail mounting design and screw terminal connections ensure easy installation and secure wiring.

Key Features

• SENTRON miniature circuit breaker for low-voltage protection
• 2-pole configuration for two-phase or three-phase applications
• Rated current: 25 A
• C-curve magnetic-thermal tripping characteristic
• High breaking capacity: 15 kA at rated voltage
• Rated operational voltage up to 400 V AC
• Compact modular housing for DIN rail mounting
• Screw terminal connections for secure wiring
• Touch-protected and sealable design

Technical Specifications

• Article Number: 5SY7225-7CC
• Product Family: SENTRON 5SY7 miniature circuit breakers
• Device Type: Miniature circuit breaker (MCB)
• Number of Poles: 2
• Rated Current (In): 25 A
• Tripping Characteristic: C-curve
• Rated Operational Voltage (AC): 400 V
• Rated Insulation Voltage (Ui): 440 V
• Rated Impulse Withstand Voltage (Uimp): 4 kV
• Breaking Capacity: 15 kA (EN 60898 and IEC 60947-2)
• Operational Frequency: 50 / 60 Hz
• Connection Type: Screw terminals (top and bottom)
• Connectable Conductor Cross-Section: approx. 0.75 … 35 mm²
• Terminal Tightening Torque: approx. 2.5 … 3.5 N·m
• Protection Degree: IP20 with connected conductors
• Pollution Degree: 3
• Overvoltage Category: III
• Mounting Type: DIN rail mounting (any position)
• Modular Width Units: 2
• Dimensions (approx.): 90 mm × 36 mm × 70 mm
• Weight (approx.): ~0.32 kg
• Operating Temperature: –25 °C to +55 °C
• Storage Temperature: –40 °C to +75 °C

Compliance & Certifications

• Manufactured to Siemens SENTRON industrial protection standards
• Designed to meet IEC 60947-2 and EN 60898-1 breaker requirements
• CE compliant
• RoHS compliant

Applications

The Siemens 5SY7225-7CC miniature circuit breaker is used to protect two-pole electrical circuits in distribution boards, panelboards and control systems. It delivers dependable overload and short-circuit protection for branch circuits, feeders and general power loads in industrial, commercial and residential installations.