Product Description

Siemens 3NP1131-1CA10 SENTRON Fuse Switch Disconnector – 160A, 1-Pole, NH00

The Siemens 3NP1131-1CA10 is a SENTRON 3NP1 fuse switch disconnector designed for low-voltage power distribution and fuse-based circuit protection applications. The exact article is a 1-pole, 160 A device for NH000/NH00 fuse links, designed for mounting-plate installation, with flat terminals, a 45 mm cover level, and without fuse monitoring. Siemens' 3NP1 product documentation identifies this exact article in the 160 A, floor-mounted, flat-terminal, non-monitored configuration.

For SB Smart, this product is positioned as a Siemens industrial electrical switching and protection component for supply, procurement, panel assembly, replacement and maintenance requirements.

Siemens 3NP1131-1CA10 Fuse Switch Disconnector

The 3NP1131-1CA10 belongs to the Siemens SENTRON 3NP1 fuse switch disconnector family, which is available across multiple current ratings and configurations up to 630 A. Siemens identifies the 160 A floor-mounted flat-terminal version as 3NP1131-1CA10 for the 1-pole configuration.

A fuse switch disconnector combines switching and fuse-disconnection functions in one assembly. The compatible NH fuse link provides overcurrent protection, while the switch disconnector provides a means of switching and isolating the associated circuit.

160 A Rated Current

The exact 3NP1131-1CA10 has a rated current of 160 A. Siemens' 3NP1 documentation lists this article under the 160 A range, and current product information confirms the 160 A rating.

The 160 A rating should be considered along with the selected fuse link, conductor capacity, load characteristics and overall protection-coordination requirements.

At elevated ambient temperatures, the permissible operational current can be lower than the nominal 160 A rating; Siemens technical data for the corresponding 160 A 3NP1 family provides temperature-dependent current values.

1-Pole Construction

The 3NP1131-1CA10 is a 1-pole fuse switch disconnector. Siemens' current 3NP1 range lists this article under the 1-pole, 160 A configuration.

The single-pole design can be suitable for compatible applications where individual circuit or conductor isolation is required.

The number of poles should always be selected according to the electrical system and the required isolation arrangement.

NH000 and NH00 Fuse Compatibility

The 3NP1131-1CA10 is intended for compatible NH000 and NH00 fuse links. Siemens technical information for the 160 A 3NP1 family identifies the applicable fuse-link sizes as NH000 and NH00.

The exact fuse link must be selected according to its current rating, voltage rating, utilization category, breaking capacity and the requirements of the protected circuit.

Without Fuse Monitoring

The supplied product category specifies 3NP1 without fuse monitoring, and Siemens' 3NP1 configuration table places 3NP1131-1CA10 in the without-monitoring section.

This means the exact version does not include an integrated electronic or electromechanical fuse-monitoring function.

A monitored 3NP1 variant should be selected where remote or automatic indication of fuse status is specifically required.

Mounting-Plate Installation

The 3NP1131-1CA10 is designed for assembly and installation on a mounting plate. Siemens identifies the product in the floor-mounted configuration.

This makes the unit suitable for compatible industrial switchboards, distribution panels and electrical assemblies where mounting-plate installation is required.

Flat Terminal Connection

The exact article uses flat terminals. Siemens' configuration information lists flat terminals for the 3NP1 160 A floor-mounted range containing 3NP1131-1CA10.

The terminal configuration should be considered during panel design to ensure suitable conductor, busbar and connection hardware.

45 mm Cover Level

The 3NP1131-1CA10 has a 45 mm cover level. Siemens' 3NP1 documentation identifies the 160 A flat-terminal floor-mounted version with this cover-level configuration.

This dimension is important when planning enclosure covers, panel cut-outs and the positioning of adjacent components.

Low-Voltage HRC Fuse System

The 3NP1 family uses LV HRC fuse links for circuit protection. Siemens documentation describes the 3NP1 as a fuse switch disconnector designed to make, carry and break rated currents up to 630 A, with compatible fuse sizes according to the frame size.

The fuse switch disconnector and fuse link therefore work together as a complete protection and isolation arrangement.

Switching and Isolation Function

The primary functions of the 3NP1 fuse switch disconnector are switching and isolation in compatible low-voltage circuits.

Siemens specifies the 3NP1 family for making, carrying and breaking rated currents up to 630 A and provides 1-, 3- and 4-pole versions depending on configuration.

The device should be operated only within its specified switching category and application conditions.

Personnel and Equipment Protection

The Siemens SENTRON 3NP1 range incorporates protection features intended to reduce the risk of contact with energized parts during installation and maintenance. Siemens documentation describes reach-around and touch protection as standard features in the newer 3NP1 series.

The exact installation should still follow applicable electrical safety procedures and manufacturer instructions.

Mechanical Service Life

The corresponding Siemens 160 A 3NP1 technical data lists a typical mechanical service life of approximately 2,000 operating cycles.

Actual service life depends on switching frequency, electrical load, environmental conditions and installation practices.

Suitable for Industrial Distribution Applications

The 3NP1131-1CA10 can be considered for compatible applications such as:

• Industrial electrical panels

• Low-voltage distribution

• Feeder isolation

• Power distribution assemblies

• Electrical switchboards

• Industrial machinery

• Fuse-based circuit protection

• Panel maintenance and replacement applications

The exact application should be based on system voltage, load current, fuse selection, prospective short-circuit current and protection coordination.

Fuse Replacement and Maintenance

The 3NP1 fuse switch disconnector can be useful where a compatible NH fuse link needs to be incorporated into a switching and isolation assembly.

When replacing an existing device, verify:

• Rated current

• Number of poles

• NH fuse size

• Fuse rating

• Terminal configuration

• Cover level

• Mounting arrangement

• Fuse monitoring requirement

• System voltage

• Protection coordination

Standardized Siemens 3NP1 Range

The Siemens 3NP1 floor-mounted flat-terminal range includes different current ratings. The current Siemens configuration lists:

• 3NP1131-1CA10 – 160 A, 1-pole

• 3NP1133-1CA10 – 160 A, 3-pole

• 3NP1134-1CA10 – 160 A, 4-pole

• 3NP1141-1DA10 – 250 A, 1-pole

• 3NP1143-1DA10 – 250 A, 3-pole

• 3NP1151-1DA10 – 400 A, 1-pole

• 3NP1153-1DA10 – 400 A, 3-pole

• 3NP1161-1DA10 – 630 A, 1-pole

• 3NP1163-1DA10 – 630 A, 3-pole

This range allows selection based on current rating and pole configuration.

Suitable for Electrical Panel Builders and Industrial Buyers

The Siemens 3NP1131-1CA10 is relevant for:

• Electrical panel builders

• Industrial buyers

• Maintenance departments

• Electrical contractors

• OEM equipment maintenance

• Electrical product dealers

• Replacement-part procurement

For SB Smart, the product is positioned around industrial electrical product supply and procurement, without claiming automation integration or automation-service work.

Key Features

• Siemens SENTRON 3NP1 fuse switch disconnector

• Article number 3NP1131-1CA10

• 160 A rated current

• 1-pole

• Compatible with NH000 and NH00 fuse links

• Without fuse monitoring

• Designed for mounting-plate installation

• Flat terminals

• 45 mm cover level

• LV HRC fuse system

• Suitable for industrial low-voltage distribution

• Typical mechanical service life: approximately 2,000 operating cycles for the corresponding 160 A configuration

Benefits

• 160 A capacity: Suitable for compatible industrial feeder and distribution applications.

• 1-pole design: Suitable for applications requiring single-pole fuse switching and isolation.

• NH000/NH00 compatibility: Supports the specified Siemens NH fuse-link sizes.

• Fuse switch disconnection: Combines switching and fuse isolation in one device.

• Without fuse monitoring: Suitable where a basic non-monitored configuration is required.

• Mounting-plate installation: Convenient for compatible industrial panel layouts.

• Flat terminals: Supports suitable high-current connection arrangements.

• 45 mm cover level: Helps with panel and enclosure planning.

• Standardized 3NP1 family: Makes it easier to select other current or pole configurations when required.

Why Choose Siemens 3NP1131-1CA10?

The Siemens 3NP1131-1CA10 is a 160 A, 1-pole SENTRON 3NP1 fuse switch disconnector for compatible NH000/NH00 fuse links, designed for mounting-plate installation with flat terminals and a 45 mm cover level. The exact version is specified without fuse monitoring.

It is suitable for customers looking to buy or source Siemens fuse switch disconnectors for industrial power distribution, feeder isolation, electrical-panel assembly, maintenance and replacement requirements.

For SB Smart, this product is best presented as a Siemens industrial electrical switching and protection component for supply and procurement across India.

Delivery Across India

SB Smart supplies Siemens industrial electrical products across Faridabad, Gurgaon/Gurugram, Delhi NCR, Haryana, Noida, Punjab, Mumbai and other major Indian cities.

Major delivery locations include:

• Faridabad

• Delhi

• Gurgaon/Gurugram

• Delhi NCR

• Noida

• Greater Noida

• Haryana

• Punjab

• Mumbai

• Pune

• Ahmedabad

• Bengaluru

• Hyderabad

• Chennai

• Kolkata

• Jaipur

• Chandigarh

• Lucknow

• Indore

• Surat

• Vadodara

• Nagpur

• Coimbatore

• And other major cities across India

Frequently Asked Questions

1. What is Siemens 3NP1131-1CA10?

The 3NP1131-1CA10 is a Siemens SENTRON 3NP1 fuse switch disconnector rated at 160 A, with a 1-pole configuration.

2. Which fuse sizes are compatible?

The corresponding 160 A configuration supports NH000 and NH00 fuse links.

3. Does this model have fuse monitoring?

No. The exact 3NP1131-1CA10 is in the without fuse monitoring configuration.

4. How many poles does it have?

It is a 1-pole fuse switch disconnector.

5. What is the rated current?

The rated current is 160 A.

6. How is it installed?

It is designed for assembly and installation on a mounting plate.

7. What type of terminals does it have?

The exact version uses flat terminals.

8. What is the cover level?

The product has a 45 mm cover level.

9. Is it suitable for industrial power distribution?

Yes. The Siemens 3NP1 family is designed for low-voltage power distribution and fuse-based switching and isolation applications.

10. Where can I buy Siemens 3NP1131-1CA10 in India?

SB Smart supplies Siemens industrial electrical products and fuse switch disconnectors in India for industrial buyers, panel builders, maintenance requirements and replacement procurement.