5SY4440-8

Product ID:100878
Updated: 2026/4/3
Siemens 5SY4440-8

Key Features

  • 1Deliver reliable 10kA short-circuit protection in industrial settings. 2、Simplify installation with a 4-pole, D-type, 40A, 70mm depth design. 3、Operate reliably across a wide -40°C to 70°C temperature range. 4、Ensure safety and durability even in harsh environmental conditions. 5、Accommodate flexible wiring with connectors from 0.75mm² to 35mm².
Product Details
5SY4440-8
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
5SY4440-8

Specifications may be subject to change without notice