Chint SQ4-11P/IS-SD-240V enclosed metal clad star-delta starter with integrated isolator designed for industrial three-phase motor starting applications with IP55 protection and 240 V AC control voltage.
£1,011.20
The Chint SQ4-11P/IS-SD-240V is a durable metal clad star-delta starter with integrated isolator designed for reliable reduced-current starting of three-phase industrial motors. Engineered for demanding industrial environments, this enclosed starter helps reduce motor inrush current during startup while improving operational safety and extending motor service life.
Part of the trusted Chint SQ4 motor starter series, this model combines robust motor control functionality with a built-in isolator switch for safe maintenance isolation and improved operator protection. Its heavy-duty IP55 enclosure makes it suitable for factories, workshops, processing plants and industrial automation systems.
With a motor rating of 11 kW and a 240 V AC control circuit, the SQ4-11P/IS-SD-240V provides dependable reduced-voltage motor starting for pumps, compressors, fans, conveyors and industrial machinery requiring smooth startup performance and reliable protection.
Star-delta starters reduce motor starting current by initially connecting the motor windings in a star configuration before automatically switching to delta operation during normal running. This helps reduce electrical stress, voltage dips and mechanical wear during startup.
The integrated isolator on the SQ4-11P/IS-SD-240V provides an additional layer of operational safety by allowing safe local isolation during servicing or maintenance procedures. Its rugged IP55 enclosure helps protect internal components from dust and moisture ingress in demanding industrial environments.
| Power | 11 kW |
|---|---|
| Voltage | 240 V |
| Phase | Three Phase |
| IP Rating | IP55 |
| Series | SQ4 Motor Starters |
| Product type | Star-delta starter with isolator |
| Motor rating | 11 kW |
| Control voltage | 240 V AC |
| Starter type | Reduced-voltage star-delta starter |
| Enclosure type | Metal clad |
| Protection rating | IP55 |
| Integrated isolator | Yes |
| Motor supply | Three-phase AC motors |
| Mounting type | Surface mounting |
| Frequency | 50 / 60 Hz |
| Application | Industrial motor starting and protection |
This product is used for reduced-current starting of three-phase industrial motors in machinery and automation systems.
The starter is designed for motors rated up to approximately 11 kW.
The built-in isolator allows safe electrical disconnection during servicing or maintenance procedures, improving operator safety.
Yes, the unit features a durable IP55 metal clad enclosure designed for demanding industrial applications.
Star-delta starters reduce motor starting current and mechanical stress during startup, helping improve motor longevity and minimise supply disturbances.
Chint SQ4 star-delta starters with integrated isolators are widely used across industrial motor control systems where safe maintenance isolation, reliable reduced-current starting and long-term durability 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...