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sq4-30p/is-sd-415v chint 30kw metal clad star-delta starter 415v ip55 with isolator
Chint SQ4-30P/IS-SD-415V 30 kW enclosed star-delta starter with isolator, 415 V AC control circuit and IP55 metal clad enclosure for industrial motor control applications.
£573.05
Why Choose the Chint SQ4-30P/IS-SD-415V Star-Delta Starter?
The Chint SQ4-30P/IS-SD-415V is a robust enclosed star-delta motor starter with isolator designed for reliable reduced-current starting of three-phase industrial motors. As part of the trusted Chint SQ4 motor starter series, it provides dependable motor control, safe local isolation and durable protection for industrial applications.
This starter reduces motor inrush current during startup by initially operating the motor in star configuration before changing to delta operation. The integrated isolator allows safe disconnection during maintenance, while the metal clad enclosure provides protection for internal components in industrial environments.
With a 30 kW motor rating, 415 V AC control circuit, integrated isolator and IP55 metal clad enclosure, the SQ4-30P/IS-SD-415V is suitable for pumps, compressors, conveyors, fans and industrial machinery requiring dependable reduced-voltage motor starting.
Key Advantages
- Reliable star-delta motor starter with integrated isolator.
- 30 kW motor rating suitable for larger 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.
- 30 kW rated motor power.
- 415 V AC control circuit.
- Integrated isolator switch for safe local disconnection.
- Reduced-voltage star-delta motor starting.
- Metal clad IP55 enclosure.
- Electronic control circuit timer.
- Compatible with thermal overload relay protection.
Reduced Current Motor Starting for Industrial Systems
Star-delta starters such as the Chint SQ4-30P/IS-SD-415V reduce motor starting current by initially connecting motor windings in a star configuration before automatically switching to delta operation. This helps reduce voltage dips, minimise mechanical stress and improve the reliability of industrial motor systems.
The integrated isolator provides secure local isolation during servicing and maintenance procedures. The SQ4 series metal clad 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 | 30 kW | |
| Voltage | 400 V | |
| Starter Type | Star Delta | |
| With Isolator | Yes | |
| Coil / Supply Voltage | 415 V AC | |
| Manufacturer | Chint | |
| Series | SQ4 Motor Starters | |
| Model | SQ4-30P/IS-SD-415V | |
| Product type | Star-delta starter with isolator | |
| Motor rating | 30 kW | |
| Motor full load current | 52 A | |
| Delta loop current | 30.2 A | |
| Recommended overload relay | NR2-36-32 | |
| 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 SQ4-30P/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 30 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.
Does this model include an isolator?
Yes, the SQ4-30P/IS-SD-415V includes an integrated isolator switch for safe local disconnection during maintenance.
Is the enclosure suitable for industrial environments?
Yes, the unit features a durable IP55 metal clad enclosure suitable for demanding industrial applications.
Trusted by Industrial Engineers Worldwide
Chint SQ4 star-delta starters with isolators are widely used in industrial motor control applications to provide reliable reduced-voltage starting, safe maintenance isolation and efficient operation of three-phase motors.
