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Siemens Fuse Switch Disconnector, 3-Pole, 400A

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£204.04

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£244.85

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RS Stock No.:
213-1372
Mfr. Part No.:
3NP1153-1DA10
Brand:
Siemens
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Brand

Siemens

Number of Poles

3

Product Type

Fuse Switch Disconnector

Enclosed/Not Enclosed

Enclosed

Mount Type

Floor

Switching Voltage

690V

Switching Current

400A

Terminal Type

Flat Terminal

Series

3NP1

IP Rating

IP40, IP20, IP30

Mechanical Fuse Size

NH1-NH2

Minimum Operating Temperature

-25°C

Maximum Operating Temperature

55°C

Auxiliary Contacts Available

Yes

Standards/Approvals

VDE, UL, RoHS, IEC, EN, CE, CCC

Siemens 3NP1 Series Fuse Switch Disconnector, 400A Maximum Current, 3 Poles - 3NP1153-1DA10


This fuse switch disconnector is engineered for robust electrical circuit protection and management. Designed for floor mounting, it features three poles and accommodates up to 400A of current while maintaining high safety standards. The unit is constructed with an enclosed design suitable for various environments, ensuring reliable performance across a wide operational temperature range of -25°C to +55°C.

Features & Benefits


• 3-pole configuration allows effective circuit disconnection

• Rated for a maximum current of 400A to support substantial loads

• Offers auxiliary contact options for additional functionalities

• High let-through current capacity of 40kA ensures safety under fault conditions

Applications


• Used in industrial power distribution systems

• Suitable for electrical installations requiring high-level protection

• Ideal for automated machinery and equipment

• Utilised in maintenance and repair switches for added safety

What is the maximum allowable temperature range for operation?


The operational temperature range for safe functioning is from -25°C to +55°C, ensuring versatility in various environments.

How does the enclosed design impact installation?


The enclosed design simplifies installation, providing added protection against dust and moisture while ensuring safety standards are met.

What types of auxiliary features are available with this model?


This model allows for auxiliary contact integration, phase failure monitoring, and locking capability for enhanced functionality and safety.

What fuse sizes are compatible with the disconnect switch?


It accommodates NH1 and NH2 fuse sizes, making it suitable for a variety of applications that require different fuse ratings.

How do the power factor ratings affect usage?


The power factor ratings of 0.65 at AC-22 B and 0.35 at AC-23 B indicate operational efficiency and load adaptability under varying conditions.

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