5SY4440-8

Product ID:100878
Updated: 2026/7/2
Siemens 5SY4440-8

Key Features

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

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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

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