Chint SQ4-30P-SD-240V enclosed metal clad star-delta starter designed for industrial three-phase motor starting applications with IP55 protection and 240 V AC control voltage.
£1,173.45
The Chint SQ4-30P-SD-240V is a heavy-duty metal clad star-delta starter engineered for reliable reduced-current starting of three-phase industrial motors. Designed for demanding industrial environments, this enclosed starter helps reduce motor inrush current during startup, minimising electrical stress and improving motor longevity.
Part of the trusted Chint SQ4 motor starter series, this model combines robust enclosure protection with dependable motor control functionality for industrial automation systems. Its IP55-rated metal clad enclosure protects internal components against dust and moisture ingress, making it suitable for factories, workshops, process plants and heavy-duty industrial environments.
With a motor rating of 30 kW and a 240 V AC control circuit, the SQ4-30P-SD-240V is ideal for pumps, compressors, conveyors, fans and industrial machinery requiring smooth reduced-voltage motor starting and dependable operational reliability.
Star-delta starters reduce motor starting current by initially connecting the motor windings in a star configuration before automatically switching to delta operation once the motor reaches operating speed. This helps minimise voltage dips, reduce mechanical stress and improve reliability in industrial motor systems.
The SQ4-30P-SD-240V is designed for industrial environments requiring dependable startup performance and rugged enclosure protection. Its IP55-rated metal clad enclosure helps safeguard internal components against dust and moisture ingress while supporting long-term operational reliability in demanding applications.
| Power | 30 kW |
|---|---|
| Voltage | 240 V |
| Phase | Three Phase |
| IP Rating | IP55 |
| Series | SQ4 Motor Starters |
| Product type | Star-delta starter |
| Motor rating | 30 kW |
| Motor full load current | 52 A |
| Delta loop current | 30.2 A |
| Recommended overload relay | NR2-36-32 |
| Control voltage | 240 V AC |
| Control frequency | 50 / 60 Hz |
| Starter type | Reduced-voltage star-delta starter |
| Enclosure type | Metal clad steel enclosure |
| Protection rating | IP55 |
| Mounting type | Surface mounting |
| Motor supply | Three-phase AC motors |
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 30 kW.
A star-delta starter reduces motor starting current and mechanical stress during startup, helping improve motor longevity and minimise supply disturbances.
Yes, the unit features a durable IP55 metal clad enclosure suitable for demanding industrial applications.
The starter is designed for use with a compatible NR2-36-32 thermal overload relay, which is generally supplied separately.
Chint SQ4 star-delta starters are widely used across industrial motor control systems where reduced-current motor starting, rugged enclosure protection and dependable long-term operation 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...