5SY4405-8 The Siemens SENTRON 5SY4 Miniature Circuit Breaker is a 4-pole device with a 500mA current rating and a 10kA breaking capacity. It operates at 400V AC and 72V DC.
Mfr Part #:

5SY4405-8

Mfr Name: Siemens
Siemens
The Siemens SENTRON 5SY4 Miniature Circuit Breaker is a 4-pole device with a 500mA current rating and a 10kA breaking capacity. It operates at 400V AC and 72V DC.
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$ Price Range: $0.99

5SY4405-8 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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5SY4405-8 Description

Short technical summary and product information.

This Siemens SENTRON 5SY4 Miniature Circuit Breaker is a 4-pole device designed for circuit protection. It features a current rating of 500mA and a breaking capacity of 10kA, ensuring reliable protection against overloads and short circuits.

 

The circuit breaker operates at a rated AC voltage of 400V and a rated DC voltage of 72V. It is designed for DIN rail mounting and features screw terminals for secure connections. The IP20 rating indicates protection against solid objects larger than 12.5mm.

 

With approvals from CCC, CE, EAC, IMQ, RCM, UR, and VDE, this circuit breaker is suitable for various industrial and building applications. It is manufactured in Germany and is RoHS3 compliant.

5SY4405-8 Quick Information

Product Type: Miniature Circuit Breaker
Series: 5SY4
Canonical Name: Siemens SENTRON 5SY4 Miniature Circuit Breaker
Subcategory: MCB

5SY4405-8 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

5SY4405-8 Estimated Pricing

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1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

5SY4405-8 Features

  • 4-pole miniature circuit breaker.
  • 500mA current rating.
  • 10kA breaking capacity.
  • 400V AC / 72V DC operation.
  • DIN rail mounting.

5SY4405-8 Applications

  • Protects electrical installations.
  • Suitable for industrial applications.
  • Used in building infrastructure.
  • Provides short-circuit protection.

5SY4405-8 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the rated AC voltage of the 5SY4405-8?

The rated AC voltage is 400V AC.

What is the current rating of this circuit breaker?

The current rating is 0.5A.

What are the tripping characteristics of the 5SY4405-8?

The tripping characteristics are Type D.

What is the breaking capacity of this circuit breaker?

The breaking capacity is 10kA.

What mounting type does the 5SY4405-8 use?

It mounts on a DIN rail.

What standards does the 5SY4405-8 comply with?

It complies with CCC, CE, EAC, IMQ, RCM, UR, and VDE standards.

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