5SY4408-8 The Siemens SENTRON 5SY4 is a 4-pole miniature circuit breaker with an 8A current rating and Type D tripping characteristics. It is designed for DIN rail mounting.
Mfr Part #:

5SY4408-8

Mfr Name: Siemens
Siemens
The Siemens SENTRON 5SY4 is a 4-pole miniature circuit breaker with an 8A current rating and Type D tripping characteristics. It is designed for DIN rail mounting.
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$ Price Range: $0.99

5SY4408-8 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
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Current Rating
Current Rating (Amps)
Depth
Height
Illumination
Mounting Type
Number of Poles
Voltage Rating
Width

5SY4408-8 Description

Short technical summary and product information.

This Siemens SENTRON 5SY4 series miniature circuit breaker is a 4-pole device with a current rating of 8A and Type D tripping characteristics. It is suitable for AC circuits up to 400V and DC circuits up to 72V, with a breaking capacity of 10kA.

 

The circuit breaker is designed for safe and efficient electrical infrastructure in buildings and industry. In the event of an overload or short-circuit, it safely cuts off the connected circuit, reliably protecting electrical installations and equipment from damage. It functions as the fuse for short-circuit protection within Siemens' comprehensive portfolio of protection, switching, measuring, and monitoring devices.

 

Featuring a DIN rail mounting type, this circuit breaker has dimensions of 76mm in height, 76mm in depth, and 72mm in width, with an IP20 rating. It is manufactured in Germany and is part of Siemens' Better World products, claiming extended product life.

5SY4408-8 Quick Information

Product Type: Miniature Circuit Breaker
Series: 5SY4
Canonical Name: Siemens SENTRON 5SY4 Miniature Circuit Breaker, 4-Pole, 8A, Type D
Subcategory: MCBs

5SY4408-8 Compliance

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

5SY4408-8 Estimated Pricing

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1+ $0.99 $0.99

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

5SY4408-8 Features

  • 4-pole miniature circuit breaker
  • 8A current rating, Type D
  • 400V ac / 72V dc voltage rating
  • 10kA breaking capacity
  • DIN rail mounting, IP20 rated

5SY4408-8 Applications

  • Protects electrical installations from damage
  • Safely cuts off circuits during faults
  • Suitable for building infrastructure
  • Designed for industrial applications

5SY4408-8 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the Siemens 5SY4408-8 circuit breaker?

The current rating is 8A.

How many poles does the Siemens 5SY4408-8 circuit breaker have?

It has 4 poles.

What is the AC voltage rating for this circuit breaker?

The rated AC voltage is 400V ac.

What is the breaking capacity of the 5SY4408-8?

The breaking capacity is 10kA.

What type of tripping characteristic does this circuit breaker have?

It features Type D tripping characteristics.

How is the Siemens 5SY4408-8 circuit breaker mounted?

It is designed for DIN rail mounting.

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