5SY4403-8

Product ID:161807
Updated: 2026/4/7
Siemens 5SY4403-8

Key Features

  • 1Ensure reliable protection with a 10kA short-circuit breaking capacity. 2、Extend service life using halogen-free and silicon-free durable materials. 3、Handle versatile applications with 400V AC and 72V DC voltage ratings. 4、Simplify installation in compact spaces with 90x72x76mm dimensions. 5、Meet safety standards including UL 1077 and EN 60898 compliance.
Product Details
5SY4403-8
Siemens

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Protection Class IP
IP20
Overvoltage Category
3
Release Characteristic
D
Voltage Type
AC
Lifecycle
Delivery Release (PM300)
Country of Origin
Germany
ECCN
N
AL
N
Model Number
5SY4403-8

Specifications may be subject to change without notice