CHINT NS2-25-4 manual motor starter and motor protection circuit breaker with adjustable overload protection range from 2.5A to 4A for industrial motor protection applications.
£45.45
The CHINT NS2-25-4 is a compact and highly reliable manual motor starter / motor protection circuit breaker (MPCB) designed to provide overload, short-circuit and phase failure protection for three-phase motors in industrial and commercial applications. As part of the trusted CHINT NS2 motor starter series, this unit combines motor protection and manual isolation into a single compact device.
Featuring an adjustable thermal protection range of 2.5 A to 4 A, the NS2-25-4 is ideal for protecting industrial motors used in pumps, conveyors, fans, compressors and automated machinery systems. The device provides dependable motor disconnection during overload or fault conditions while helping extend motor service life and improve operational safety.
Manufactured in accordance with IEC/EN 60947-2 and IEC/EN 60947-4-1 standards, the NS2 series delivers dependable switching performance, compact DIN rail mounting and strong short-circuit protection capability. Its ergonomic rotary handle and modular accessory compatibility make it suitable for industrial automation systems, OEM machinery and electrical control panels.
Manual motor starters such as the CHINT NS2-25-4 are designed to provide reliable protection and switching control for electric motors. By integrating overload and short-circuit protection into a single compact device, they simplify motor starter assemblies while improving safety and reducing panel space requirements.
The NS2 series is widely used in industrial automation systems and machinery where dependable motor protection and manual isolation are essential. Its modular accessory compatibility and DIN rail mounting design make it suitable for OEM machinery, pump systems, HVAC equipment and industrial control panels.
| Current | 4 A |
|---|---|
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | NS2 Manual Motor Starters |
| Product type | Manual motor starter / MPCB |
| Adjustable current range | 2.5 A to 4 A |
| Number of poles | 3-pole |
| Rated operational voltage | up to 690 V AC |
| Frequency | 50 / 60 Hz |
| Rated impulse withstand voltage | 6 kV |
| Motor protection functions | Overload, short-circuit and phase failure protection |
| Control type | Rotary switch manual operation |
| Mounting type | DIN rail or panel mounting |
| Terminal type | Screw terminals |
| Protection rating | IP20 |
| Trip class | Class 10A |
| Standard compliance | IEC/EN 60947-2, IEC/EN 60947-4-1 |
| Motor application range | Industrial motor protection |
| Accessory compatibility | Auxiliary contacts, shunt trip and undervoltage release modules |
The NS2-25-4 is used to manually control and protect three-phase electric motors against overload, short-circuit and phase failure conditions.
This model features an adjustable thermal protection range from 2.5 A to 4 A.
Yes. The unit includes integrated magnetic short-circuit protection alongside thermal overload protection.
The NS2-25-4 can be installed using DIN rail or panel mounting within electrical control panels and motor starter assemblies.
Yes. The NS2 series supports auxiliary contacts, shunt trip units and undervoltage release accessories for expanded control functionality.
CHINT NS2 motor starters are widely used in industrial automation and motor control systems where dependable motor protection, compact installation and reliable switching performance are essential.
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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...