Why Choose the CHINT NS2-25-AE20 Auxiliary Contact?
The CHINT NS2-25-AE20 is a high-quality front-mounted auxiliary contact block designed specifically for use with CHINT NS2 manual motor starters. This accessory expands the signalling and control functionality of NS2 motor protection devices by adding additional normally open auxiliary contacts for industrial automation and motor control applications.
Designed for reliable long-term operation in demanding industrial environments, the NS2-25-AE20 features a compact front-mounting design that integrates directly with compatible NS2 manual motor starters. It provides dependable switching performance for control circuits, signalling systems, interlocking applications and PLC input monitoring.
The auxiliary contact block includes 2 normally open (2 NO) instantaneous auxiliary contacts, making it ideal for industrial motor control panels, automation systems, machinery starter assemblies and OEM electrical equipment. Its front-hanging mounting configuration allows straightforward installation without increasing panel complexity.
Key Advantages
Designed specifically for CHINT NS2 manual motor starters.
Provides 2 normally open auxiliary contacts.
Compact front-mounted installation design.
Supports industrial signalling and interlocking functions.
Reliable switching performance for automation systems.
Simple integration into industrial motor starter assemblies.
Key Features
CHINT NS2 auxiliary contact series.
2 NO instantaneous auxiliary contacts.
Front-hanging mounting configuration.
Compatible with CHINT NS2 motor starters.
Suitable for signalling and control circuits.
Compact industrial accessory design.
Reliable electromechanical contact operation.
Suitable for industrial automation applications.
Technical Specifications
Manufacturer: CHINT
Series: NS2 Accessories
Model: NS2-25-AE20
Product type: Auxiliary contact block
Compatible device: CHINT NS2 manual motor starters
Contact configuration: 2 NO (normally open)
Contact type: Instantaneous auxiliary contacts
Mounting position: Front-mounted / front-hanging
Rated insulation voltage (Ui): 250 V
Thermal current (Ith): 2.5 A
Application: Signalling and control circuits
Industrial compatibility: Motor starter and automation systems
Operating function: Auxiliary signalling and interlocking
Compliance standards: IEC/EN 60947 compatible systems
Reliable Auxiliary Signalling for Motor Control Systems
Auxiliary contact blocks are commonly used in industrial automation systems to provide additional switching and signalling functions for motor starters and protection devices. The CHINT NS2-25-AE20 expands the functionality of compatible NS2 manual motor starters by enabling auxiliary control and status indication circuits.
Its compact front-mounted design simplifies installation while supporting reliable integration into motor control panels, machine safety systems and industrial automation equipment where additional signalling contacts are required.
Typical Applications
Industrial motor starter assemblies.
Automation and PLC control systems.
Motor status indication circuits.
Industrial interlocking applications.
Machine control and signalling systems.
OEM electrical and automation equipment.
Technical Specifications
Series
NS2 Accessories
Product type
Auxiliary contact block
Compatible device
CHINT NS2 manual motor starters
Contact configuration
2 NO (normally open)
Contact type
Instantaneous auxiliary contacts
Mounting position
Front-mounted / front-hanging
Rated insulation voltage (Ui)
250 V
Thermal current (Ith)
2.5 A
Application
Signalling and control circuits
Industrial compatibility
Motor starter and automation systems
Operating function
Auxiliary signalling and interlocking
Compliance standards
IEC/EN 60947 compatible systems
Frequently Asked Questions
What is the CHINT NS2-25-AE20 used for?
The NS2-25-AE20 is an auxiliary contact block used to add additional signalling and control contacts to compatible CHINT NS2 manual motor starters.
How many auxiliary contacts does this unit provide?
This model includes 2 normally open (2 NO) instantaneous auxiliary contacts.
How is the NS2-25-AE20 mounted?
The auxiliary contact block uses a front-mounted / front-hanging installation design for direct attachment to compatible NS2 motor starters.
Is the NS2-25-AE20 suitable for PLC signalling applications?
Yes. The auxiliary contacts are commonly used for PLC input monitoring, signalling and industrial interlocking functions.
Where is the NS2-25-AE20 typically installed?
The unit is commonly installed inside industrial motor control panels, automation systems and machinery starter assemblies.
Trusted by Industrial Engineers Worldwide
CHINT NS2 accessories and motor control components are widely used in industrial automation systems to deliver dependable motor protection, signalling functionality and reliable long-term operation.
Series
NS2 Accessories
Product type
Auxiliary contact block
Compatible device
CHINT NS2 manual motor starters
Contact configuration
2 NO (normally open)
Contact type
Instantaneous auxiliary contacts
Mounting position
Front-mounted / front-hanging
Rated insulation voltage (Ui)
250 V
Thermal current (Ith)
2.5 A
Application
Signalling and control circuits
Industrial compatibility
Motor starter and automation systems
Operating function
Auxiliary signalling and interlocking
Compliance standards
IEC/EN 60947 compatible systems
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...