5SY4240-8 The Siemens 5SY4240-8 is a 2-pole miniature circuit breaker rated for 40A and 400V. It features a D-type tripping characteristic and is designed for DIN rail mounting.
Mfr Part #:

5SY4240-8

Mfr Name: Siemens
Siemens
The Siemens 5SY4240-8 is a 2-pole miniature circuit breaker rated for 40A and 400V. It features a D-type tripping characteristic and is designed for DIN rail mounting.
Stock on Request
$ Price Range: $0.99

5SY4240-8 Specifications Quick View

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

5SY4240-8 Description

Short technical summary and product information.

The Siemens 5SY4240-8 is a 2-pole miniature circuit breaker designed for industrial and mechanical engineering applications. It offers a rated current of 40A at 35°C and a rated voltage of 400V AC.

 

This circuit breaker has a D-type tripping characteristic and a switching capacity of 10kA according to EN 60898. It is built with a quick assembly system for easy DIN rail mounting and features combined terminals at both the top and bottom.

 

Key features include a mechanical service life of 10,000 switching cycles, an overvoltage category of III, and a pollution degree of 3. The device is halogen-free and sealable, providing enhanced safety and operational integrity. Its compact dimensions (90mm height, 36mm width, 76mm depth) make it suitable for various control panel configurations.

5SY4240-8 Quick Information

Product Type: Miniature Circuit Breaker
Series: 5SY4
Canonical Name: Siemens 5SY4240-8 Miniature Circuit Breaker
Subcategory: Miniature Circuit Breaker

5SY4240-8 Compliance

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

5SY4240-8 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

5SY4240-8 Features

  • 2-pole miniature circuit breaker.
  • Rated for 40A and 400V AC.
  • D-type tripping characteristic.
  • 10kA switching capacity.
  • DIN rail mountable, halogen-free.

5SY4240-8 Applications

  • Used in industrial control panels.
  • Suitable for mechanical engineering.
  • Provides circuit protection.
  • Designed for inductive loads.

5SY4240-8 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the rated current of the Siemens 5SY4240-8 circuit breaker?

The rated current is 40A at 35°C.

What is the voltage rating for the Siemens 5SY4240-8?

The rated voltage is 400V.

How many poles does the Siemens 5SY4240-8 have?

It has 2 poles.

What is the tripping characteristic of this circuit breaker?

The tripping characteristic class is D.

What is the switching capacity of the 5SY4240-8?

The switching capacity is 10kA according to EN 60898.

Is the Siemens 5SY4240-8 halogen-free?

Yes, it is halogen-free.

Home
Account

Categories