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sq4-15p/is-sd-415v chint 15kw metal clad star-delta starter 415v ip55 with isolator
Chint SQ4-15P/IS-SD-415V 15 kW enclosed star-delta starter with isolator, 415 V AC control circuit and IP55 metal clad enclosure for industrial motor control applications.
£466.87
Why Choose the Chint SQ4-15P/IS-SD-415V Star-Delta Starter?
The Chint SQ4-15P/IS-SD-415V is a robust enclosed star-delta motor starter designed for reliable reduced-current starting of three-phase industrial motors. As part of the trusted Chint SQ4 motor starter series, it combines dependable motor control functionality with an integrated isolator for safer maintenance and servicing procedures.
This starter reduces motor inrush current during startup by initially connecting the motor windings in star configuration before changing to delta operation. The metal clad enclosure provides durable protection for internal components, making it suitable for industrial plants, workshops and automation systems.
With a 15 kW motor rating, 415 V AC control circuit, integrated isolator and IP55 metal clad enclosure, the SQ4-15P/IS-SD-415V is ideal for pumps, compressors, conveyors, fans and industrial machinery requiring dependable reduced-voltage motor starting.
Key Advantages
- Reliable star-delta motor starter with integrated isolator.
- 15 kW motor rating suitable for medium-duty three-phase motors.
- 415 V AC control voltage for industrial motor control systems.
- Integrated isolator switch for safe maintenance procedures.
- IP55 metal clad enclosure provides protection against dust and moisture.
- Reduced starting current helps minimise electrical and mechanical stress.
Key Features
- Chint SQ4 enclosed star-delta starter series.
- 15 kW rated motor power.
- 415 V AC control circuit.
- Integrated isolator switch for safe local disconnection.
- Reduced-voltage star-delta motor starting.
- IP55 metal clad enclosure.
- Compatible with thermal overload relay protection.
- Surface mounting design for industrial installations.
Reduced Current Motor Starting for Industrial Systems
Star-delta starters such as the Chint SQ4-15P/IS-SD-415V reduce motor starting current by initially connecting motor windings in a star configuration before automatically switching to delta operation. This helps minimise voltage dips, reduce mechanical stress and improve the reliability of industrial motor systems.
The integrated isolator on the SQ4-15P/IS-SD-415V provides secure local isolation during servicing and maintenance procedures, improving operational safety. Its rugged IP55 enclosure supports dependable operation in demanding industrial environments where protection against dust and moisture is required.
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 | Yes | |
| Coil / Supply Voltage | 415 V AC | |
| Manufacturer | Chint | |
| Series | SQ4 Motor Starters | |
| Model | SQ4-15P/IS-SD-415V | |
| Product type | Star-delta starter with isolator | |
| Motor rating | 15 kW | |
| Motor full load current | 28 A | |
| Delta loop current | 16.2 A | |
| Recommended overload relay | NR2-25-18 | |
| Control voltage | 415 V AC | |
| Control frequency | 50 / 60 Hz | |
| Starter type | Reduced-voltage star-delta starter | |
| Enclosure type | Metal clad steel enclosure | |
| Protection rating | IP55 | |
| Integrated isolator | Yes | |
| Mounting type | Surface mounting | |
| Motor supply | Three-phase AC motors |
Frequently Asked Questions
What is the Chint SQ4-15P/IS-SD-415V 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 approximately 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 performance 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 applications.
Does the starter include overload protection?
The starter is designed for use with a compatible NR2-25-18 thermal overload relay.
Trusted by Industrial Engineers Worldwide
Chint SQ4 star-delta starters with integrated isolators are widely used across industrial motor control systems where reliable reduced-current starting, safe maintenance isolation and durable enclosure protection are essential.
