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sq4-15p-sd-240v chint 15kw metal clad star-delta starter 240v ip55
Chint SQ4-15P-SD-240V enclosed star-delta starter with 15 kW motor capacity, 240 V AC control circuit and IP55 metal clad enclosure for industrial motor control applications.
£373.68
Why Choose the Chint SQ4-15P-SD-240V Star-Delta Starter?
The Chint SQ4-15P-SD-240V is a robust and reliable enclosed star-delta motor starter designed for reduced-current starting of three-phase industrial motors. As part of the Chint SQ4 motor starter series, it provides dependable motor control by reducing electrical stress during startup while improving the operational reliability of industrial machinery.
This starter features a durable metal clad enclosure with an IP55 protection rating, providing protection against dust and moisture in demanding industrial environments. The enclosed construction delivers a complete motor starting solution for applications requiring reliable star-delta switching and long-term performance.
With a motor rating of 15 kW, a 240 V AC control circuit and compatibility with Chint thermal overload protection, the SQ4-15P-SD-240V is suitable for pumps, compressors, conveyors, fans and other three-phase motor applications requiring reduced-current starting.
Key Advantages
- Reliable star-delta motor starter designed for industrial applications.
- 15 kW motor rating suitable for medium-duty industrial machinery.
- 240 V AC control circuit for standard industrial control systems.
- Metal clad enclosure with IP55 protection for demanding environments.
- Reduced starting current helps minimise motor and electrical system stress.
- Compatible with thermal overload protection for improved motor safety.
Key Features
- Chint SQ4 enclosed star-delta starter series.
- 15 kW rated motor power.
- 240 V AC, 50 / 60 Hz control circuit.
- Reduced-voltage star-delta motor starting.
- IP55 metal clad enclosure.
- Electronic control circuit timer.
- Suitable for industrial three-phase AC motor applications.
- Compatible with NR2-25-18 thermal overload relay.
Reduced Current Motor Starting for Industrial Systems
Star-delta starters such as the Chint SQ4-15P-SD-240V 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 reduces voltage dips, minimises mechanical stress and improves the reliability of industrial motor systems.
The SQ4-15P-SD-240V is designed for industrial applications requiring dependable motor startup performance and durable enclosure protection. Its IP55 metal clad enclosure helps safeguard internal components in dusty and demanding environments while supporting long-term operational reliability.
Typical Applications
- Industrial pumps and compressors.
- Ventilation systems and industrial fans.
- Conveyor and material handling equipment.
- Production and processing machinery.
- Water treatment and utility systems.
- General industrial motor control applications.
Technical Specifications
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| IP Rating | IP55 | |
|---|---|---|
| Power | 15 kW | |
| Voltage | 400 V | |
| Starter Type | Star Delta | |
| With Isolator | No | |
| Coil / Supply Voltage | 240 V AC | |
| Manufacturer | Chint | |
| Series | SQ4 Motor Starters | |
| Model | SQ4-15P-SD-240V | |
| Product type | Enclosed star-delta starter | |
| Motor rating | 15 kW | |
| Motor full load current | 28 A | |
| Delta loop current | 16.2 A | |
| Recommended overload relay | NR2-25-18 | |
| 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 |
Frequently Asked Questions
What is the Chint SQ4-15P-SD-240V used for?
This product is used for reduced-current starting of three-phase industrial motors in machinery and automation systems.
What motor size is supported by this starter?
The starter is designed for motors rated up to 15 kW.
What is the benefit of a star-delta starter?
A star-delta starter reduces motor starting current and mechanical stress during startup, helping improve motor longevity and minimise power supply disturbances.
Is the enclosure suitable for industrial environments?
Yes, the unit features a durable IP55 metal clad enclosure suitable for demanding industrial environments.
Does the starter include overload protection?
The starter is designed for use with a compatible NR2-25-18 thermal overload relay, which is generally supplied separately.
Trusted by Industrial Engineers Worldwide
Chint SQ4 star-delta starters are widely used in industrial motor control systems where reduced-current starting, reliable operation and durable enclosure protection are essential.
